Academic literature on the topic 'Packaging alimentare'

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Journal articles on the topic "Packaging alimentare"

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Sekhniachvili-Komperdra, Elena. "Construction du lien éthique dans le discours du packaging des produits alimentaires." Revue Communication & professionnalisation, no. 6 (July 10, 2018): 100–128. http://dx.doi.org/10.14428/rcompro.v0i6.3463.

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Le présent article s’interroge sur la communication mise en acte dans le discours du packaging des produits alimentaires, qui soulève d’importants problèmes éthiques liés tant aux dangers alimentaires, crises écologiques et sociales, qu’à la remise en cause de la relation de confiance entre le consommateur, les différents acteurs de la filière alimentaire et les communicants. La marque qui est à l’origine de l’offre devient une instance de caution, le communicant ayant le rôle d’installer la relation de confiance avec le consommateur par la médiation de son discours sur le produit. Notre article se propose de montrer comment la sémiotique, plus particulièrement la sémiotique des pratiques et la théorie du lien éthique de J. Fontanille, permet d’analyser le lien éthique qui lie les instances de la pratique, impliquées dans l’action représentée par le packaging. Ces modèles mettent en lumière le rôle de la marque dans la construction de la relation éthique avec le consommateur. This article studies the communication implemented in the packaging discourse of food products, which raises important ethical problems related to food hazards, ecological and social crises as well as the issue of trusting relationship between the consumers, various actors in the food chain and communicators. The brand, which is at the origin of the offer, becomes an instance of caution. At the same time, the brand is the communicator whose role consists of installing trusting relationship with the consumer through the mediation of its communication on food product. Our article suggests showing how the semiotics models, in particular, the semiotics of practices and theory of ethical link of J. Fontanille allows to analyse the ethical link, which connects the actors of the practices involved in the action that is described by the packaging. These models bring to light the brand’s role in the construction process of ethical relationship with the consumer.
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Pagga, Udo. "Material Matters." MRS Bulletin 22, no. 11 (November 1997): 5–7. http://dx.doi.org/10.1557/s0883769400034333.

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In many European countries the controlled biological treatment of organic solid waste is a suitable method in waste management. Technical prerequisites such as collection and separation systems for household waste often exist and sufficient treatment facilities for controlled aerobic composting or even anaerobic digestion are available. Space for landfill is scarce and therefore expensive in many industrial countries and biotreatment is much cheaper than incineration. The advantage of composting compared to other waste treatment techniques is not only the relatively low costs but also the technical reasons. An obvious example is the direct disposal of packaging with alimentary residues and the subsequent biological treatment. Not only green waste from gardens or biowaste from kitchens can be treated, but any compostable material is in principle suitable, for example waste from the food industry or packaging and packaging materials made from paper, cardboard, wood, or biodegradable plastics. Biological treatment has already become a good way of meeting, for example, Germany legislative targets to reduce and recycle garbage.Prerequisites for controlled biological treatment are suitable technical facilities plus standards and directives for waste management. An example is the European packaging directive which harmonizes national measures concerning the management of packaging and packaging waste. The aim is to prevent any impact of the use of packaging on the environment or to reduce such an impact. For applying this directive and any similar regulations, it is important to have clear definitions, standardized test methods, and suitable evaluation criteria to identify biodegradable packaging materials and to differentiate compostable from noncompostable packaging materials which can commonly be used and the results of which are accepted by all parties concerned.
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De Sousa Pereira, Caíke, Victor Virginio de Sousa e Silva, Jardel Alves da Costa, Renato Santos Rocha, Wagner Rogério Leocádio Soares Pessoa, and João Victor Da Silva Martins. "Avaliação Microbiológica de Feijão-Caupi (Vigna unguiculata L.) Imaturo Sob Diferentes Tratamentos Pós-Colheita." Ensaios e Ciência C Biológicas Agrárias e da Saúde 25, no. 1 (March 29, 2021): 50–54. http://dx.doi.org/10.17921/1415-6938.2021v25n1p50-54.

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A valorização de vegetais frescos, como o feijão-caupi imaturo, tem demonstrado um crescimento nos últimos anos, favorecendo o aumento gradativo na aquisição destes produtos pelos consumidores. No entanto, tais alimentos não são livres de micro-organismos, sendo necessários processos que priorizem a segurança microbiológica e o controle restrito da temperatura. Diante do exposto, objetivou-se com este trabalho avaliar a ação de diferentes tratamentos pós-colheita e tempo de armazenagem sobre os micro-organismos presentes em grãos imaturos de feijão-caupi da variedade sempre-verde. Sendo os tratamentos: T1 acondicionamento em embalagem (testemunha); T2 acondicionamento em embalagem + refrigeração; T3 condicionamento em embalagem + vácuo + refrigeração; T4 acondicionamento em embalagem + branqueamento + refrigeração; T5 acondicionamento em embalagem + branqueamento + vácuo + refrigeração. Realizaram-se as análises microbiológicas aos 10, 20 e 40 dias de armazenamento, em que para cada época, quatro repetições foram aleatoriamente amostradas e avaliadas, por tratamento, e os resultados obtidos foram expressos sob a forma de tabela. Foram realizadas as observações da incidência de bactérias, e a identificação de fungos via microscópio óptico comum. Conforme os resultados. o pré-tratamento de branqueamento em T4 e T5 apresenta uma maior redução da diversidade de micro-organismos nos grãos imaturos de feijão-caupi após armazenagem, no entanto, não é capaz de eliminar completamente fungos produtores de micotoxinas e bactérias. Palavras-chave: Feijão-Verde. Conservação Alimentar. Segurança Alimentar. Abstract The appreciation of fresh vegetables, such as immature cowpea, has shown a growth in recent years, favoring the gradual increase in the purchase of these products by consumers. However, such food is not free of microorganisms, requiring processes that prioritize microbiological safety and restricted temperature control. Given the above, the objective of this work was to evaluate the action of different post-harvest treatments and storage time on microorganisms present in immature cowpea grains of the evergreen variety. The treatments: T1 packaging in packaging (control); T2 packaging in packaging + refrigeration; T3 packaging conditioning + vacuum + refrigeration; T4 packaging in packaging + bleaching + refrigeration; T5 packaging in packaging + bleaching + vacuum + refrigeration. Microbiological analyzes were performed at, 10, 20 and 40 days of storage, where for each season, four replications were randomly sampled and evaluated, per treatment, and the results obtained were expressed in the form of a table. Observations of bacteria incidence were carried out, as well as the fungi identification using a standard optical microscope. According to the results, the bleaching pretreatment in T4 and T5 presents a greater reduction in the diversity of microorganisms in immature cowpea grains after storage, however, it it is not able to completely eliminate mycotoxin-producing fungi and bacteria. Keywords: Green Beans. Food Conservation. Food Security.
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Diaz, Denisse. "Contribución del Diseño de envases y alimentos a la soberanía alimentaria en Chile." RChD: creación y pensamiento 5, no. 9 (November 3, 2020): 1. http://dx.doi.org/10.5354/0719-837x.2020.57990.

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El artículo aborda algunas de las principales causas políticas, económicas y sociales que han impulsado la reconstrucción del sistema alimentario mundial basado en la soberanía de los pueblos. En este contexto se pone en discusión el caso chileno como escenario de oportunidad para la transformación del sector alimentario, fundado en un modelo de economía solidaria y de tecnologías de fabricación distribuida, que abra canales para la unificación de la sociedad y la valorización de la distribución de los recursos, y fomente la producción local y sostenible de la tierra. En este punto el Diseño toma un rol trascendental, y posiciona a las áreas proyectuales de packaging y alimentos, como una herramienta estratégica para la articulación de la cadena de valor de los productos alimenticios del futuro, con el objetivo de devolverles la dignidad social y cultural, a través de la diversificación de productos nutritivos y accesibles.
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Adjalo, Djiwonou Koffi, Koko Zébéto Houedakor, and Kossiwa Zinsou-Klassou. "Usage des emballages plastiques dans la restauration de rue et assainissement des villes ouest-africaines : exemple de Lomé au Togo." International Journal of Biological and Chemical Sciences 14, no. 5 (September 14, 2020): 1646–56. http://dx.doi.org/10.4314/ijbcs.v14i5.13.

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Les villes ouest-africaines connaissent une expansion démographique et spatiale, rapide et continue, depuis plusieurs décennies, avec développement de nouveaux modes de vie et de restauration. La restauration de rue, dans la quête de la satisfaction des besoins alimentaire de la population urbaine, fait usage des emballages plastiques. Dans ce secteur acquis à l’informel, l’usage de ces emballages entraîne des effets néfastes sur le système d'assainissement des villes ouest-africaines dont Lomé. Le présent article met en exergue l’usage des emballages plastiques dans la restauration de rue et son impact sur l’assainissement à Lomé. Pour ce faire, une enquête a été effectuée auprès de 225 consommateurs de rue choisis sur 45 points de vente, retenus par choix raisonné dans l’agglomération urbaine de Lomé. Les consommateurs d’aliments de rue sont essentiellement des fonctionnaires (40%) et des commerçants (35,11%). 75% des consommateurs sont des hommes et 82,5% des restaurateurs, des femmes. Les emballages plastiques sont utilisés dans le conditionnement des aliments de rue à Lomé. Devenus déchets après usage, les emballages plastiques ne font pas objet d’une gestion particulière. Une catégorisation des déchets à la source, conduirait à l’efficacité de leur gestion pour un meilleur assainissement de nos villes. Mots clés : Emballages plastiques, alimentation de rue, assainissement, urbanisation, environnement, Lomé-Togo English title: Use of plastic packaging in street restoration and sanitation in west african cities : The case of Lomé West African cities have experienced rapid and continuous demographic and spatial expansion for several decades with the development of new lifestyles and restaurants. Street catering, in the quest to meet the food needs of the urban population, uses plastic packaging. In this informal sector, the use of this packaging has harmful effects on the sanitation system in West African cities, including Lomé. This article highlights the use of plastic packaging in street food and its impact on sanitation in Lomé. To do this, a survey was carried out among 225 street consumers chosen from 45 points of sale, selected by reasoned choice in the urban agglomeration of Lomé. Street food consumers are mainly civil servants (40%) and traders (35.11%). 75% of consumers are men and 82.5% of restaurateurs are women. Plastic packaging is used in the packaging of street food in Lomé. Having become waste after use, plastic packaging is not subject to special management. A categorization of waste at source will lead to efficient management for better sanitation in our cities.Keywords: Plastic packaging, street food, sanitation, urbanization, environment, Lome-Togo
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Guichard, Nathalie, and Isabelle Muratore. "Ce produit est-il sain ? Trois approches pour appréhender le caractère sain d’un produit alimentaire à partir de son packaging." Décisions Marketing 61 (January 1, 2011): 55–66. http://dx.doi.org/10.7193/dm.061.55.66.

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González, Edwin A. Segura, Dania Olmos, Miguel Ángel Lorente, Itziar Vélaz, and Javier González-Benito. "Preparation and Characterization of Polymer Composite Materials Based on PLA/TiO2 for Antibacterial Packaging." Polymers 10, no. 12 (December 9, 2018): 1365. http://dx.doi.org/10.3390/polym10121365.

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Polymer composite materials based on polylactic acid (PLA) filled with titanium dioxide (TiO2) nanoparticles were prepared. The aim of this work was to investigate the antibacterial action of TiO2 against a strain of E. Coli (DH5α) to obtain information on their potential uses in food and agro-alimentary industry. PLA/TiO2 systems were prepared by a two-step process: Solvent casting followed by a hot-pressing step. Characterization was done as a function of particle size (21 nm and < 100 nm) and particle content (0%, 1%, 5%, 10%, and 20%, wt %). Structural characterization carried out by X-ray diffraction (XRD) and Fourier Transformed Infrared spectroscopy (FTIR) did not reveal significant changes in polymer structure due to the presence of TiO2 nanoparticles. Thermal characterization indicated that thermal transitions, measured by differential scanning calorimetry (DSC), did not vary, irrespective of size or content, whereas thermogravimetric analysis (TGA) revealed a slight increase in the temperature of degradation with particle content. Bacterial growth and biofilm formation on the surface of the composites against DH5α Escherichia Coli was studied. Results suggested that the presence of TiO2 nanoparticles decreases the amount of extracellular polymeric substance (EPS) and limits bacterial growth. The inhibition distances estimated with the Kirby-Bauer were doubled when 1% TiO2 nanoparticles were introduced in PLA, though no significant differences were obtained for higher contents in TiO2 NPs.
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Goudey, Alain, and Anthony Caporossi. "Le pack rouge est-il salé ou sucré ? Etude exploratoire de l'influence de la couleur du packaging sur les caractéristiques attendues du produit alimentaire." Gestion 2000 31, no. 4 (2013): 107. http://dx.doi.org/10.3917/g2000.304.0107.

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Melleu, Priscyla Falkenburger, and Murilo Scóz. "Diretrizes projetuais para sistemas de advertência em embalagens de alimentos ultraprocessados | Guidelines for Warning Labels on Ultra-processed Food Packaging." InfoDesign - Revista Brasileira de Design da Informação 16, no. 3 (November 17, 2019): 373–87. http://dx.doi.org/10.51358/id.v16i3.761.

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A ingestão exagerada de alimentos ultraprocessados pode ocasionar diferentes riscos para a saúde uma vez que muitas doenças foram relacionadas à uma dieta inadequada. Além de diminuir a qualidade de vida da população, um aumento endêmico na incidência dessas doenças vem onerando o sistema público de saúde e abrindo um debate sobre o impacto da inclusão desses alimentos nas dietas familiares. Órgãos ligados à saúde pública e à defesa dos consumidores têm buscado discutir com membros da indústria alimentícia novas normas de rotulagem específica para as embalagens de alimentos industrializados, buscando dar um maior acesso à informação nutricional ao consumidor e contribuindo para que ele possa tomar escolhas alimentares conscientes. Sabendo que diferentes soluções de selos nutricionais frontais já foram adotados internacionalmente em busca de advertir a população sobre a composição de determinados alimentos, o presente artigo procura fazer uma análise semiótica de três modelos de sistemas em vigência, avaliando as diferentes nuances que podem assumir as funções de advertir e informar o consumidor. As análises discursivas, segundo a semiótica de Julien Greimas (1968), buscam organizar e avaliar o conteúdo descritivos da enunciação dos selos, discorrendo sobre as diferentes formas de trabalhar a advertência nas embalagens de determinados alimentos industrializados.*****Ultra-processed food may cause different health issues since its excessive consumption indicate an endemic and progressive increase in the number of diseases linked to an inadequate diet. This scenario is reducing the quality of life and life expectancy of the population living in big cities and burdens the public health systems around the world. As trying to encourage healthier eating habits, public health bureaus have been insisting on reviewing food labeling laws in order to make consumers more aware of their diet. Different options of front-of-pack nutritional labels have been adopted worldwide in order to warn the population about the composition of certain foods. This article offers a semiotic analysis – according to the theories of Julien Greimas (1968) – of three models of front-of-pack warning labels already in use, evaluating the different forms of warming the consumer about the packaging information.
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Kaira Cristina Ferreira Araújo Rebouças, Maria Madalena Oliveira Jorge, Eliakim Aureliano da Silva, Beatriz Gonçalves Feitosa dos Santos, Cláudia Lorena Ribeiro Lopes, Gleyson Moura dos Santos, Nara Vanessa dos Anjos Barros, Daila Leite Chaves Bezerra, Ednelda Brito Machado, and Paulo Víctor de Lima Sousa. "Avaliação das Condições Higiênico-Sanitárias e Físico-Estruturais em Unidades de Alimentação e Nutrição de um Estado do Nordeste Brasileiro." Ensaios e Ciência C Biológicas Agrárias e da Saúde 25, no. 1 (March 29, 2021): 66–71. http://dx.doi.org/10.17921/1415-6938.2021v25n1p66-71.

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Nas Unidades de Alimentação e Nutrição (UAN), as contaminações podem ser oriundas das diversas etapas de manuseio do alimento, aumentando, assim, a incidência de doenças de origem alimentar, sendo necessária a manutenção de condições higiênico-sanitárias adequadas e locais apropriados, de forma a garantir a dignidade do ato de se alimentar. O presente trabalho teve como objetivo analisar as condições higiênico-sanitárias e físico-estruturais de Unidades de Alimentação e Nutrição. O estudo foi realizado em UAN dos municípios de Teresina, Picos, Floriano e Parnaíba no Estado do Piauí, nas quais foram codificadas em A, B, C, D, E, F e G. Realizou-se a aplicação do checklist adaptado da RDC nº 275/2002, em que cada item foi avaliado em “conforme” e “não-conforme” e seus resultados foram apresentados em porcentagens. Das 7 UAN analisadas, 57% eram UAN institucionais, 29% UAN hospitalares e 14% UAN não institucionais, a maioria apresentou percentuais de conformidades maior que 70%, destacando a UAN A (95,3%). A UAN E foi a que apresentou menor percentual de adequação na maioria dos itens, destacando o item matérias-primas, ingredientes e embalagens (18,2%), sendo classificada como muito ruim. A UAN G foi a única que não apresentou documentos e registro. Conclui-se que a maioria das UAN apresentou condições higiênico-sanitárias satisfatórias em boa parte dos itens preconizados pela RDC n° 216/2004. Entretanto, algumas UAN foram classificadas como ruins, podendo gerar riscos à saúde dos comensais. Palavras-chave: Alimentação Coletiva. Segurança Alimentar e Nutricional. Manipulação de Alimentos. Boas Práticas de Fabricação. Abstract In Food and Nutrition Units (UAN), contamination may come from the various stages of food handling, thus increasing the incidence of food-borne illnesses, requiring the maintenance of adequate hygienic-sanitary conditions and appropriate places, to guarantee the dignity of the feeding act. The study was carried out in UAN in the municipalities of Teresina, Picos, Floriano and Parnaíba in the state of Piauí, in which they were coded in A, B, C, D, E, F and G. The checklist adapted from RDC nº 275/2002 was applied, in which each item was evaluated as "compliant" and "non-compliant" and its results were presented in percentages. Of the 7 UANs analyzed, 57% were institutional UANs, 29% hospital UANs and 14% non-institutional UANs, the majority had conformity percentages greater than 70%, highlighting UAN A (95.3%). The UAN E was the one with the lowest percentage of adequacy in most items, highlighting the item raw materials, ingredients and packaging (18.2%), being classified as very bad. The UAN G was the only one that did not present documents and registration. It is concluded that the majority of UANs presented satisfactory hygienic-sanitary conditions in most of the items recommended by RDC nº 216/2004. However, some UANs have been classified as bad, which can create health risks for diners. Keywords: Collective Food. Food and Nutrition Security. Food Handling. Good Manufacturing Practices.
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Dissertations / Theses on the topic "Packaging alimentare"

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Tondini, Matteo. "Confronto di soluzioni di packaging alimentare nel nuovo contesto dell'economia circolare." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/24344/.

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Attualmente si sta assistendo ad una progressiva transizione verso imballaggi sempre più “green”, ecosostenibili, e spesso le scelte delle aziende in questo senso sono riportate sulle confezioni come valore aggiunto al prodotto. Alcuni esempi pratici sono la riduzione della materia prima vergine, sostituita con materia proveniente da riciclo, l’utilizzo di polimeri biodegradabili o la semplice riduzione della massa complessiva dell’imballaggio, eliminando parti considerate “superflue” o riducendo lo spessore dell’imballo. Tutte queste scelte sono presentate dal produttore attraverso l’indice, “il numero”, giudicato più impattante agli occhi del consumatore. In questo testo si andranno a confrontare le varie scelte sulla base degli stessi indicatori, scelti per essere “neutri” ad operazioni di marketing e rappresentativi per quantificare la transizione verso il modello di economia circolare.
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Camorani, Marco. "Il PLA per applicazioni negli imballaggi per l'industria alimentare : analisi del packaging per il miele." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Il PLA è attualmente il biopolimero derivato da fonti rinnovabili e biocompostabile più promettente disponibile in commercio. Le proprietà del PLA quali la temperatura di transizione vetrosa, il suo tasso di cristallizzazione e le proprietà barriera rispetto a acqua, ossigeno e anidride carbonica, tuttavia, non sono spesso all’altezza dei polimeri tradizionali prodotti a partire da fonti fossili. In questo elaborato, grazie anche ai molteplici studi pubblicati riguardanti il PLA, si vuole affrontare la questione di ciò che si potrebbe raggiungere in termini di proprietà barriera quando vengano correttamente combinate alta cristallinità del polimero, trattamenti termici e sufficiente spessore del film applicato. In realtà, questa domanda rischia di risultare piuttosto accademica: è stato quindi affrontata una problematica reale riguardante un packaging di miele al fine di testare sul campo la validità degli studi compiuti. Inoltre si è voluto valutare, tramite una serie di correlazioni e anche in confronto con altri polimeri, l’effetto che le applicazioni studiate hanno sul film al mutare delle principali variabili del sistema e le proprietà barriera del PLA. Tra i fattori considerati troviamo la cristallinità, e quindi il coefficiente di permeabilità del polimero, vari parametri morfologici come spessore e geometria dell’imballaggio, peso molecolare del materiale e percentuale di L-lattide presente nella miscela racemica che compone il PLA. Lo studio ha portato, anche in virtù delle numerose qualità commerciali del prodotto, a valutare il PLA come un valido sostituto degli attuali polimeri da fonti fossili presenti sul mercato e di un altro materiale, il vetro, tipicamente utilizzato per gli imballaggi. Sono state inoltre proposte alcune conformazioni e combinazioni tra le variabili studiate al fine di ottimizzare l’efficienza del film barriera in funzione anche dei costi del materiale.
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Andreoni, Veronica. "Applicazione di un sistema di gestione del rischio in un reparto di conversione materie plastiche destinate al contatto alimentare." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Il presente elaborato si pone l’obiettivo di presentare un sistema che sia capace di garantire la sicurezza alimentare delle capsule monodose per bevande tipo espresso prodotte nel reparto stampaggio di Aroma System Srl. La soluzione proposta è quella di applicare la procedura l’HACCP ovvero l’Hazard Analysis and Critica Control Point, accompagnata da un adeguato piano di manutenzione. In particolare nel primo capitolo viene fornita una panoramica generale sul concetto di qualità nel sistema di produzione. Da qui si è passati poi a descrivere il concetto di analisi del rischio, definendo prima di tutto cosa è un elemento di rischio, e cosa lo distingue da un elemento di pericolo. Si procede quindi con la definizione di sicurezza alimentare. . Ci si sposta poi al caso particolare del packaging alimentare e della politica di gestione della contaminazione anche in questo ambito.Nel secondo capitolo viene descritta nel dettaglio la politica di HACCP vera e propria. Lo studio permette una migliore comprensione della procedura HACCP, nel capitolo quattro, mostrandone l’applicazione al reparto di stampaggio di capsule monodose per bevande tipo espresso, dell’azienda bolognese Aroma System Srl. Nel capitolo quattro viene poi presentato il piano di manutenzione portato avanti da Aroma System Srl sempre nello stesso reparto. L’obiettivo è quello di dimostrare come un buon piano HACCP correttamente applicato al reparto sia inutile senza un adeguato programma di manutenzione che permette alla macchina di lavorare nelle migliori condizioni possibili.
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Maccaferri, Francesco. "Nuovi copolimeri triblocco biodegradabili a base di PLA per imballaggi alimentari." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/8617/.

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Nella presente Tesi si procede alla preparazione e caratterizzazione di nuovi poliesteri alifatici a base di PLLA che offrano garanzie di completa biodegradabilità e presentino caratteristiche chimico/fisiche adeguate ad applicazioni nell’ambito dell’imballaggio alimentare. La modifica chimica del PLLA è stata realizzata per introduzione in catena di segmenti opportunamente sintetizzati che fungono da iniziatori nell’apertura dell’anello di lattide nella ROP. I copolimeri triblocco, poli(lattico)-block-poli(propilene/neopentil glicole succinato) PLLAnP(PS80NS20)m, si differenziano per il diverso rapporto in peso tra i due diversi tipi di blocco, quello hard di PLLA e quello soft di P(PS80NS20). I risultati ottenuti sono di rilevante interesse applicativo: i copolimeri presentano migliorate proprietà meccaniche rispetto al PLLA, una maggiore velocità di biodegradazione, senza che abbia avuto luogo un peggioramento della stabilità termica e delle proprietà barriera, addirittura migliore al gas test O2.
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Valli, Emanuele. "Progettazione, realizzazione e caratterizzazione funzionale di sorgenti di plasma atmosferico di non equilibrio a supporto di processi industriali di inattivazione microbica." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.

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Il lavoro presentato verte sullo sviluppo, la caratterizzazione e l’ottimizzazione di sistemi plasma per verificare la possibilità dell’impiego della tecnologia dei plasmi freddi a pressione atmosferica nei trattamenti d’inattivazione microbica di packaging alimentare. Le sorgenti plasma investigate sono state due: sorgente corona multipin per il trattamento di capsule in polipropilene (PP), sorgente DBD (Dielectric Barrier Discharge) per il trattamento di film di alluminio. I test di decontaminazione sono stati svolti con le seguenti specie microbiche target: E. coli, S. aureus, C. albicans. Si sono ottenuti riscontri positivi (livelli di abbattimento prossimi o superiori a LogR=2) per entrambe le sorgenti con tempi compatibili a quelli della produzione industriale. A valle di questi risultati si è proceduto alla caratterizzazione superficiale dei substrati trattati per verificare possibili alterazioni degli stessi a seguito dei trattamenti. Le prove condotte in questa fase hanno riguardato la misura dell’angolo di contatto (WCA) al fine di investigare possibili modifiche della bagnabilità del materiale indotte dal plasma ed analisi ATR-FTIR per indagare possibili variazioni della composizione chimica delle superfici trattate. Inoltre si è investigato come il trattamento plasma su PP e su alluminio possa inficiare sul processo di saldatura previsto durante la sigillatura delle capsule. Infine per ogni tipologia di sorgente ed alle varie condizioni operative si è svolta una caratterizzazione elettrica allo scopo di acquisire le forme d’onda specifiche di ogni trattamento con cui calcolare l’energia e la potenza medie trasferite dalle sorgenti ai substrati oltre che verificare la ripetibilità e affidabilità della generazione di plasma. Il lavoro si è concluso con lo scale up della sorgente multipin ovvero la progettazione e la realizzazione di una sorgente in grado di essere inserita all’interno di macchine automatiche per la produzione di capsule.
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6

Piccioli, de Carolis Giorgio. "Nuovi copolimeri statistici a base di poli(butilene 2,5-furanoato): effetto della copolimerizzazione sulle proprietà chimico-fisiche, proprietà barriera e compostabilità." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amslaurea.unibo.it/9320/.

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In questo lavoro di Tesi Magistrale si sono esaminate le problematiche relative agli impatti ambientali delle materie plastiche, tenendo in considerazione il loro ambito di applicazione. Per quanto riguarda le materie plastiche destinate al packaging alimentare si è visto che uno smaltimento tramite discarica, incenerimento o riciclo non può essere sostenibile sul lungo periodo. Una soluzione può essere lo sviluppo di un materiale che al termine del ciclo di vita possa essere biodegradato tramite compostaggio. Al fine di eliminare la dipendenza di questo materiale plastico dalle risorse fossili, esso deve poter essere ricavato da fonti rinnovabili. Il poli(butilene furanoato) è un buon candidato come materiale plastico per il packaging alimentare, ma possiede scarse caratteristiche di biodegradabilità. Si è quindi realizzato un sistema copolimerico in cui il poli(butilene furanoato) viene statisticamente copolimerizzato con il poli(butilene diglicolato), anche quest'ultimo interamente ottenibile da fonti rinnovabili. I materiali sintetizzati sono stati sottoposti a diversi tipi di analisi, al fine di determinarne le proprietà in funzione di una possibile applicazione nel packaging alimentare: analisi strutturale, caratterizzazione termica, studio delle proprietà meccaniche e di permeabilità a diversi tipi di gas e infine valutazione della compostabilità.
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7

Sekhniachvili, Elena. "Etude de la dimension éthique dans la communication du packaging des produits alimentaires." Thesis, Limoges, 2014. http://www.theses.fr/2014LIMO0078.

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La présente recherche part de l’hypothèse que l’utilisation de la langue considérée comme un pouvoir social qui sert d’outils pour atteindre des objectifs pragmatiques de la communication, nécessite l’intervention de l’éthique afin de réguler les interactions sociales. L’étude s’est donnée donc pour but d’effectuer une analyse discursive de la dimension éthique sur le corpus du packaging des produits alimentaires. La question de la régulation sociale s’exprime donc à travers la notion de la valeur, centrale dans la problématique de l’éthique car la valeur est une plaque tournante entre le sens et l’action qui guident les comportements humains et conditionne la prise de décision.Ce travail est consacré donc sur l’étude de la valeur dans tous ces états : i. la valeur comme composante sémantique qui incarne l’idée du Bien, ii. la manifestation des valeurs qui s’organisent en styles identitaires pour exprimer une forme de vie au niveau des cultures, iii. les valeurs et leurs remaniements lors de l’interaction avec l’Autre, iv. la valeur comme force de l’action et son assomption par le sujet discursif pour exprimer l’implication et l’engagement envers l’autre qui fonde une responsabilité. Il s’agit également d’étudier le rôle des passions et des émotions dans l’action qui affaiblissent ou renforcent la valeur de l’action. Cette recherche porte également sur l’étude de la valeur pratique qui se fait saisir dans l’interaction entre plusieurs pratiques et qui lui assure la stabilité et l’équilibre grâce à la stabilité des liens entre les instances des pratiques
The present research is based on the hypothesis that the language use, considered to be as a social power and a tool to achieve pragmatic goals of the communication, requires the involvement of ethics aimed at regulating social interactions. This hypothesis predetermines the main research aim that consists of ethics analysis on a corpus of food packaging discourse. The question of social regulation is accomplished through the concept of value, central one in the problematics of ethics as the value is a spinning plate between meaning and action that guides human behavior and influences decision making. In summary, this work is dedicated to the study of values in all its aspects: i. value as a semantic component which impersonates the idea of the Good, ii . the manifestation of values in the speech which reflect social personal styles as world models at a cultural level, iii. values and their re-organization in the communication process with other people, iv. value as an action force and its conscious use by a discourse subject to express implication and perception of the obligations which form the basis of responsibility. The work studies the role of passions and emotions in the course of the act that weaken or strengthen the action force as well. This research also investigates the value in practical interactions; the value force is manifested in the interaction process between a set of practical situations; the interaction nature influences stability and equilibrium of situations thanks to providing the stability of links between participants of different practices
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8

Monborren-Benabdillah, Linda. "Étude de l'évolution du ''smart packaging'' alimentaire et analyse des marchés des pays industrialisés : actualité et tendances." Thesis, Paris 4, 2015. http://www.theses.fr/2015PA040044.

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D’un simple outil de protection des aliments et de transport des objets, l’emballage est devenu une science qui évolue sans répit. Depuis peu, l’emballage franchit une nouvelle étape, d’un outil de vente, il devient un acteur qui prolonge la durée de conservation des aliments et les préserve, ainsi qu'un langage censé parler au producteur, au distributeur et même au consommateur. En contradiction avec la plupart des législations qui définissaient l’emballage comme inerte, les nouveaux emballages sont des éléments actifs ou intelligents. Cependant, ce qu’en Europe et aux Etats-Unis on considère être de nouvelles technologies d’emballage, existe au Japon depuis plusieurs décennies déjà. Tout l’enjeu est donc de comprendre pourquoi et comment, sur un marché mondialisé où la course vers l’innovation et les nouvelles technologies est permanente, le Smart Packaging arrive en Europe avec quarante ans de retard. Cette étude a pour objectif de donner un aperçu sur les technologies, les applications existantes et les enjeux du Smart Packaging, ainsi que sur les perspectives des innovations. Il est par ailleurs essentiel d'analyser la pérennité et la viabilité des nouvelles technologies de l’emballage dans le secteur agroalimentaire des pays industrialisés, en apportant un éclairage sur l’actualité du marché ainsi que sur sa dynamique et sur les tendances majeures de son évolution à court et à long termes. Le projet a de même pour but de développer les stratégies de marketing, d’export et de gestion des risques à appliquer à un marché international, et de définir les cadres réglementaires des principaux pays industrialisés et les risques pour l’environnement et le consommateur
Packaging used to be a very common, unnoticed, everyday life object for food protection and transportation. It is now a whole scientific subject that evolves on a daily basis. Recently packaging has crossed a new threshold: it is no more a simple marketing tool. Today packaging acts as a food protector that prolongs the shelf life and provides information to manufacturers, distributors, and even consumers. In complete contradiction with all the legislation that defined it as an inert object, new packaging technologies are active and intelligent devices. However, what is called in Europe and the United States a new technology, has been marketed in Japan for decades. The challenge is to understand how and why Smart Packaging was so late to enter Europe and the US at a time when globalization in trade and communication are stronger than ever, and the race for innovation and new technologies is permanent. The main objective of this report is to give insights into today’s market stakes, its opportunities, major trends and short and long term evolution, as well as its growth potential and the major factors that influence it on one hand. On the other hand it provides analysis for the future and the viability of the new technologies in food and drink sectors on developed countries markets. To achieve these purposes, it is essential to give an overview of the existing technologies and applications and explain the stakes of using Smart Packaging, as well as innovation perspectives. Moreover, this projects highlights how the companies meet the challenge of developing marketing, exportation and risk strategies on a global market, whithin the boundaries of the regulatory frameworks and risks for the environment and the consumer
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9

Teixeira, Silva Fernando. "Emballage intelligent : faisabilité de l’utilisation d’un biocapteur couplé à un tag RFID UHF pour le suivi de la température." Thesis, Montpellier, 2017. http://www.theses.fr/2017MONTT124/document.

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L’emballage intelligent (EI) est une technologie émergente basée sur la fonction communicative des emballages. La radio-identification (RFID) est considérée comme le concept le plus prometteur de l’EI. La RFID fait référence aux technologies et systèmes qui utilisent les ondes radio (sans fil) pour transmettre et identifier de manière exclusive et/ou suivre des objets avec une information précise en temps réel.Cette thèse est basée sur une recherche innovante des propriétés électriques (capacité, permittivité réelle et perte) de la protéine de soja isolée, de la gélatine et du caséinate de sodium, et vise leur utilisation comme capteurs de température, associés à l’étiquette RFID. Les variables étaient la température (20°C jusqu’à 80°C) et l’humidité (90% HR) qui sont normalement utilisées pour la cuisson de la viande. La gélatine s’est révélée être le capteur le plus sensible. Après cette partie, plusieurs étapes ont été menées :• L’analyse de l’impact de l’épaisseur du film de gélatine sur la capacité et la détermination de plusieurs paramètres tels que la sensibilité, l’hystérésis et la répétabilité;• La couverture de gélatine sur l’étiquette RFID, testée à 90% HR et à température variable (de 20°C à 80°C) en condition pilote. L’impact sur la bande de lecture a été analysé.Le potentiel de la gélatine en tant que capteur a été démontré à une épaisseur de 38 µm à laquelle la capacité était stable de 20°C à 80°C et à Ultra-Haute Fréquence (300-900 MHz). L’échantillon de 125 µm a subi une dégradation électrothermique entre 60°C et 80°C. Pour surmonter ce phénomène, 600 MHz ont été appliqués. Un équilibre entre l’épaisseur et la fréquence devrait être considéré pour augmenter la sensibilité qui était de 0,14 pF/°C (125 µm à 600 MHz) et 0,045 pf/°C (38 µm à 868 MHz), influençant les résultats lors de la simulation de cuisson de la viande. La réutilisation du même capteur a conduit à une perte de masse réduisant la sensibilité. L'étiquette RFID couverte d’un film de gélatine sur l'antenne a pu donner de différence significative (p <0,05) dans la bande de lecture théorique (BLT) à 868, 915 et 960 MHz. Également dans cette layout, la BLT a été la même pour la même température croissante et décroissante (pas de hystérésis) dans la zone critique (60°C-80°C et 60°C-20°C) à 915 MHz. Ces résultats prometteurs ouvrent une porte à une nouvelle conception de capteurs de température basés sur les biomatériaux, renouvelable at à faible coût, couplé avec des étiquettes RFID passives pour l’emballage intelligent
Intelligent packaging (IP) is an emerging technology based on the communication function of packages. Radio frequency Identification (RFID) is considered the most promising concept of IP. RFID refers to technologies and systems that use radio waves (wireless) to transmit and uniquely identify and/or track objects with accurate information in a real time.The present thesis is based on an innovative study of the electrical (capacitance) and dielectric properties (real permittivity and loss factor) of soybean isolated protein, gelatin and sodium caseinate aiming at their use as a sensor of temperature coupled with RFID tags. The environmental variables were temperature (range from 20°C up to 80°C) and humidity (90% RH) that are normally used for meat cooking. Gelatin was the most sensitive sensor. After this first part, several steps have been set up:• Analysing the impact of gelatin film thickness on electrical capacitance and the determination of several parameters such as sensitivity, hysteresis and repeatability;• The coating of gelatin on a RFID tag tested at 90% RH and variation of temperature (20°C up to 80°C) in a pilot condition. The impact on the reading range was analysed.The potential of gelatin as a sensor was demonstrated at thickness of 38 µm and 125 µm. For the first case, the capacitance was stable at 20°C up to 80°C and at Ultra High Frequency band (300-900 MHz). Sample with 125 µm has suffered the electro-thermal breakdown between 60-80°C. To overcome this phenomenon, 600 MHz was applied. A balance between thickness and frequency should be consider to increase the sensitivity that was 0.14 pF/°C (125 m at 600 MHz); this value was higher than 0.045 pF/°C (38 m at 868 MHz) influencing the results in the simulation of meat cooking. Reuse of the same sensor has led to mass loss reducing the sensitivity. The feasibility of gelatin sensor-enable RFID tag was demonstrated. The tag covered by gelatin film in the whole antenna was suitable because it was able to deliver different Theoretical Reading Range (TRR) (p<0.05) for 868 MHz, 915 MHz and 960 MHz. At this layout also, the TRR was the same (without hysteresis) for the rising and descending temperature at the critical zone (60°C- 80°C and 60°C-20°C) at 915 MHz. These promisor results open a window for new conception of temperature sensor based on biomaterial that confers advantages, such as low cost and eco-friendly property sought to be interfaced to passive RFID tags for intelligent packaging
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Arienti, Luca. "Effetto di un packaging innovativo sulla qualità di nettarine." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/4083/.

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L’imballaggio alimentare si può definire come un sistema coordinato per disporre i beni per il trasporto, la distribuzione, la conservazione, la vendita e l’utilizzo. Uno dei materiali maggiormente impiegati, nell’industria alimentare, per la produzione di imballaggi sono le materie plastiche. Esse sono sostanze organiche derivanti da petrolio greggio, sono composti solidi allo stato finito, ma possono essere modellate allo stato fluido. Un imballaggio alimentare deve svolgere determinate funzioni tra cui: - contenimento del prodotto - protezione del prodotto da agenti esterni - logistica - comunicativa - funzionale - ecologica L'ultimo punto sopracitato è il principale problema delle materie plastiche derivanti dal petrolio greggio. Questi materiali sono difficilmente riciclabili perché spesso un imballaggio è composto da più materiali stratificati o perché si trova a diretto contatto con gli alimenti. Inoltre questi materiali hanno un lungo tempo di degradazione (da 100 a 1000 anni) che ne rendono difficile e costoso lo smaltimento. Per questo nell’ultimo decennio è cominciata la ricerca di un materiale plastico, flessibile alle esigenze industriali e nel contempo biodegradabile. Una prima idea è stata quella di “imitare la natura” cercando di replicare macromolecole già esistenti (derivate da amido e zuccheri) per ottenere una sostanza plastico-simile utilizzabile per gli stessi scopi, ma biodegradabile in circa sei mesi. Queste bioplastiche non hanno preso piede per l’alto costo di produzione e perché risulta impossibile riconvertire impianti di produzione in tutto il mondo in tempi brevi. Una seconda corrente di pensiero ha indirizzato i propri sforzi verso l’utilizzo di speciali additivi aggiunti in minima misura (1%) ai classici materiali plastici e che ne permettono la biodegradazione in un tempo inferiore ai tre anni. Un esempio di questo tipo di additivi è l’ECM Masterbatch Pellets che è un copolimero di EVA (etilene vinil acetato) che aggiunto alle plastiche tradizionali rende il prodotto finale completamente biodegradabile pur mantenendo le proprie caratteristiche. Scopo di questo lavoro di tesi è stato determinare le modificazioni di alcuni parametri qualitativi di nettarine di Romagna(cv.-Alexa®) confezionate-con-film-plastici-tradizionali-e-innovativi. I campioni di nettarine sono stati confezionati in cestini in plastica da 1 kg (sigillati con un film flow-pack macroforato) di tipo tradizionale in polipropilene (campione denominato TRA) o vaschette in polipropilene additivato (campione denominato BIO) e conservati a 4°C e UR 90-95% per 7 giorni per simulare un trasporto refrigerato successivamente i campioni sono stati posti in una camera a 20°C e U.R. 50% per 4 giorni al fine di simulare una conservazione al punto vendita. Al tempo 0 e dopo 4, 7, 9 e 11 giorni sono state effettuate le seguenti analisi: - coefficiente di respirazione è stato misurata la quantità di CO2 prodotta - indice di maturazione espresso come rapporto tra contenuto in solidi solubili e l’acidità titolabile - analisi di immagine computerizzata - consistenza della polpa del frutto è stata misurata attraverso un dinamometro Texture Analyser - contenuto in solidi totali ottenuto mediante gravimetria essiccando i campioni in stufa sottovuoto - caratteristiche sensoriali (Test Accettabilità) Conclusioni In base ai risultati ottenuti i due campioni non hanno fatto registrare dei punteggi significativamente differenti durante tutta la conservazione, specialmente per quanto riguarda i punteggi sensoriali, quindi si conclude che le vaschette biodegradabili additivate non influenzano la conservazione delle nettarine durante la commercializzazione del prodotto limitatamente ai parametri analizzati. Si ritiene opportuno verificare se il processo di degradazione del polimero additivato si inneschi già durante la commercializzazione della frutta e soprattutto verificare se durante tale processo vengano rilasciati dei gas che possono accelerare la maturazione dei frutti (p.e. etilene), in quanto questo spiegherebbe il maggiore tasso di respirazione e la più elevata velocità di maturazione dei frutti conservati in tali vaschette. Alimentary packaging may be defined as a coordinate system to dispose goods for transport, distribution, storage, sale and use. Among materials most used in the alimentary industry, for the production of packaging there are plastics materials. They are organic substances deriving from crude oil, solid compounds in the ended state, but can be moulded in the fluid state. Alimentary packaging has to develop determinated functions such as: - Product conteniment - Product protection from fieleders agents - logistic - communicative - functional - ecologic This last term is the main problem of plastic materials deriving from crude oil. These materials are hardly recyclable because a packaging is often composed by more stratified materials or because it is in direct contact with aliments. Beside these materials have a long degradation time(from 100 to 1000 years) that make disposal difficult and expensive. For this reason in the last decade the research for a new plastic material is begin, to make industrial demands more flexible and, at the same time, to make this material biodegradable: At first, the idea to “imitate the nature” has been thought, trying to reply macromolecules already existents (derived from amid and sugars) to obtain a similar-plastic substance that can be used for the same purposes, but it has to be biodegradable in about six months. These bioplastics haven’t more success bacause of the high production cost and because reconvert production facilities of all over the wolrd results impossible in short times. At second, the idea to use specials addictives has been thought. These addictives has been added in minim measure (1%) to classics plastics materials and that allow the biodegradation in a period of time under three years. An example of this kind of addictives is ECM Masterbatch Pellets which is a coplymer of EVA (Ethylene vinyl acetate) that, once it is added to tradizional plastics, make final product completely biodegradable however maintaining their own attributes. The objective of this thesis work has been to determinate modifications of some Romagna’s Nectarines’ (cv. Alexa®) qualitatives parameters which have been packaged-with traditional and innovative-plastic film. Nectarines’ samples have been packaged in plastic cages of 1 kg (sealed with a macro-drilled flow-pack film) of traditional type in polypropylene (sample named TRA) or trays in polypropylene with addictives (sample named BIO) and conservated at 4°C and UR 90-95% for 7 days to simulate a refrigerated transport. After that, samples have been put in a camera at 20°C and U.R. 50% for 4 days to simulate the conservation in the market point. At the time 0 and after 4, 7, 9 and 11 days have been done the following analaysis: - Respiration coefficient wherewith the amount CO2 producted has been misurated - Maturation index which is expressed as the ratio between solid soluble content and the titratable acidity - Analysis of computing images - Consistence of pulp of the fruit that has been measured through Texture Analyser Dynanometer - Content in total solids gotten throught gravimetry by the drying of samples in vacuum incubator - Sensorial characteristic (Panel Test) Consequences From the gotten results, the two samples have registrated no significative different scores during all the conservation, expecially about the sensorial scores, so it’s possible to conclude that addictived biodegradable trays don’t influence the Nectarines’ conservation during the commercialization of the product qualifiedly to analized parameters. It’s advised to verify if the degradation process of the addicted polymer may begin already during the commercialization of the fruit and in particular to verify if during this process some gases could be released which can accelerate the maturation of fruits (p.e. etylene), because all this will explain the great respiration rate and the high speed of the maturation of fruits conservated in these trays.
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Books on the topic "Packaging alimentare"

1

L' imballaggio alimentare: Materiali, tecnologie e problematiche ambientali. Milano, Italy: FrancoAngeli, 1992.

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Biffignandi, Silvia. Il comparto alimentare e beverage: Produzione, consumo, packaging e macchinari. Milano, Italy: FrancoAngeli, 2011.

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Sustainable packaging?: A multicriteria evaluation method for food packaging : Poliedro, Pollenzo index enviromental and economics design = Packaging sostenibile? : metodo multicriteria di valutazione del packaging alimentare. Torino: Umberto Allemandi & C., 2013.

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Botrel, Jacques. L' emballage alimentaire dans le droit français. Paris: APRIA, 1986.

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Chaddad, Maria Cecília Cury. Rotulagem de alimentos: O direito à informação, à proteção da saúde e à alimentação da população com alergia alimentar. Curitiba: Juruá Editora, 2014.

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Albert, Paine Frank, ed. Modern processing, packaging and distribution systems for food. Glasgow: Blackie, 1987.

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Modern Processing, Packaging and Distribution Systems for Food. John Wiley & Sons, 1987.

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Modern Processing Packaging and Distribution Systems for Food. Springer, 1995.

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Conference papers on the topic "Packaging alimentare"

1

Rai, Pratyush, Jining Xie, Vijay K. Varadan, Thang Ho, and Jamie A. Hestekins. "Sensory Biofuel Cell for Self-Sustained Glucose Sensing in Healthcare Applications for Diabetes Patients." In ASME 2010 First Global Congress on NanoEngineering for Medicine and Biology. ASMEDC, 2010. http://dx.doi.org/10.1115/nemb2010-13029.

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In biosensor design, sensor for blood-glucose-level detection is one of the elementary concepts. Many research groups have reported opto-electro-mechanical and biomimetic techniques for glucose sensing based on nanomaterials. (1) However, the popular commercialized techniques involve drawing blood samples and in-vitro processing. An implantable sensor requires energy source for operation with wire in-out provision for acquiring power and sending signals. Needless to say, the limitation for such a glucose sensor is alimentary rather than elementary. The problem requires innovative design to develop sustainable ensemble of bio-energy harvesting, sensing and telemetry components. The study, reported in this article, is directed towards developing a sensor-fuel cell technology with the potential of miniaturization for implants. The device design is a combination of nano-engineered composites and flexible thin film processing to achieve high density packaging. Of which, the end goal is simultaneous generation-transmission of sensory signals and production of energy.
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