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Dissertations / Theses on the topic 'Post harvest technology'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Harmzen, Elrika. "Study of nanofibrous membranes for application in post harvest technology." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86771.

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Thesis (MSc)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: Grapes are lost annually due to spoilage by Botrytis cinerea. Botrytis cinerea is currently controlled using fungicides and SO2 fumigation in storage rooms but with limited success. Although these techniques have been used for decades they have been associated with numerous of disadvantages. Fungicides are restricted from being used during storage due to legislation and toxicity of the fungicides present on the surface of the berries. SO2 fumigation does not kill the dormant infections present inside the grape tissue and if the

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2

Rojas, Jose Santos. "Production and post-harvest technology for hybrid true potato seed (TPS)." Thesis, University of Reading, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363810.

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3

Narayanapurapu, Phani Tej Raghav. "Effect of composite edible coatings and abiotic stress on post harvest quality of fruits." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110746.

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The post-harvest quality of perishable produce changes rapidly due to the accelerated rate of respiration, transpiration and ripening. The objective of this study was to determine the effect of pectin and alginate based composite coatings on the shelf life extension of cherry tomatoes and to study the effect of an abiotic stress on enhancing antioxidant properties of cranberries. Two composite coating formulations were evaluated, a pectin based formulation with 3% pectin, 1.35% sorbitol, 1.2% bees wax and 0.36% monoglycerides, and an alginate based formulation with 2% alginate, 1.35% sorbitol,

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4

Peretto, Greta. "POST-HARVEST AS A TOOL TO IMPROVE BERRY FRUIT QUALITY." Doctoral thesis, Università degli studi di Padova, 2014. http://hdl.handle.net/11577/3424546.

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The purpose of this thesis was to research some innovative post-harvest techniques with potential to extend the shelf-life of berry fruit during storage and enhance their overall quality. Emphasis was given to different packaging system, in particular microperforated film, edible film, and electrostatic spraying of antimicrobial coating. The berry fruits studied were blueberry and strawberry. These fruits were selected because of their increasing worldwide consumption, among the many different types of berries. The application of microperforated polypropylene film to store freshly harvested

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5

Rodrigues, Michele Carvalho da Silva. "Avaliação e adequação da lavagem no beneficiamento da batata." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256850.

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Orientador: Marcos David Ferreira<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agrícola<br>Made available in DSpace on 2018-08-19T15:37:33Z (GMT). No. of bitstreams: 1 Rodrigues_MicheleCarvalhodaSilva_M.pdf: 1787890 bytes, checksum: ad42d636315e1e015773f4c6f3929bd8 (MD5) Previous issue date: 2011<br>Resumo: O beneficiamento da batata lavada no Estado de São Paulo, destinada ao mercado in natura ou ao processamento, consome volume excessivo de água, provocando danos ao meio ambiente principalmente no descarte da água residual da etapa de lavagem. Tend

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Agostini, Fantini Francesco, and Carbonell Javier Izaguirre. "GIS-Based approach to estimate the energy requirements of the post-harvest activities in Souss-Massa basin in Morocco." Thesis, KTH, Energiteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-249070.

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Over the last decades the Moroccan agriculture has passed through a complete transformation: due to the low workforce cost and its favourable climate, the sector has attracted the attentions of national and foreign investment and thus has expanded rapidly. Among the different productions, tomatoes proved to be one of the most profitable, generating 4.867 billion dirhams in 2016 from exports. In order to remain competitive and attractive, the sector needs to be constantly monitored and controlled: abuses of the environment and of available resources may affect or even compromise the future of t

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7

Gariépy, Yvan. "Pressure regulated silicone membrane gas permeator for long term CA storage of fruits and vegetables." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61822.

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8

Teles, Cesar Simas 1974. "Storage of seedless table grapes exposed to high CO2 concentrations for short period followed by controlled atmosphere, associated or not with pre-harvest application of CaCI2 or CIO2 = Conservação de uvas apirências submetidas a curta exposição de altas concentrações de CO2, seguida de armazenamento sob atmosfera controlada, associada ou não à aplicação de CaCI2 ou CIO2 na pré colheita." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256783.

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Orientador: Benedito Carlos Benedetti<br>Texto em português e Inglês<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agrícola<br>Made available in DSpace on 2018-08-23T16:23:18Z (GMT). No. of bitstreams: 1 Teles_CesarSimas_D.pdf: 1939088 bytes, checksum: 585b37a053cde7606fc6da4a9aa803dc (MD5) Previous issue date: 2013<br>Resumo: Botrytis cinerea Pers, causador da doença conhecida como mofo cinzento, é o principal problema para a conservação pós-colheita de uvas de mesa. A utilização do dióxido de enxofre (SO2) é a prática pós-colheita mais comum para o contro

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9

Tinini, Rodolpho César dos Reis 1987. "Avaliação da qualidade de cultivares de alface submetidas a distintos métodos de resfriamento." [s.n.], 2012. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256848.

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Orientador: Barbara Janet Teruel Mederos, Paulo Ademar Martins Leal<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agrícola<br>Made available in DSpace on 2018-08-20T03:40:17Z (GMT). No. of bitstreams: 1 Tinini_RodolphoCesardosReis_M.pdf: 2113855 bytes, checksum: bf35d4b21243161421a237dd2edcc622 (MD5) Previous issue date: 2012<br>Resumo: A hortaliça folhosa mais consumida e produzida no Brasil é a alface (Lactuca sativa L.) e seu consumo vem crescendo a cada ano devido a uma tendência da população mundial em adquirir hábitos de vida mais saudáveis. Exi

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Cordeiro, Isabela Nogueira Fonseca. "Soluções antioxidantes e tratamento térmico na qualidade de batata-doce minimamente processada." Universidade Estadual Paulista (UNESP), 2018. http://hdl.handle.net/11449/155888.

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Submitted by ISABELA NOGUEIRA FONSECA CORDEIRO (isabela.cordeiro@ifma.edu.br) on 2018-09-04T04:17:31Z No. of bitstreams: 1 Dissertação definitiva, Isabela.pdf: 2210228 bytes, checksum: c54245ee348cebaa75204af69c942d9d (MD5)<br>Approved for entry into archive by Neli Silvia Pereira null (nelisps@fcav.unesp.br) on 2018-09-04T13:04:44Z (GMT) No. of bitstreams: 1 cordeiro_inf_me_jabo.pdf: 2210228 bytes, checksum: c54245ee348cebaa75204af69c942d9d (MD5)<br>Made available in DSpace on 2018-09-04T13:04:44Z (GMT). No. of bitstreams: 1 cordeiro_inf_me_jabo.pdf: 2210228 bytes, checksum: c54245ee348ce

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Pagliarini, Mateus Francisco. "Efeito da adubação orgânica na produção e qualidade de frutos de maracujazeiro amarelo (Passiflora edulis, Sims f. flavicarpa Degener)." Universidade Federal de Viçosa, 2005. http://locus.ufv.br/handle/123456789/4640.

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Made available in DSpace on 2015-03-26T13:40:04Z (GMT). No. of bitstreams: 1 texto completo.pdf: 721255 bytes, checksum: 77be2e89e014b1cf674143a721d65f78 (MD5) Previous issue date: 2005-03-17<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>This research had the objective of evaluating the organic fertilization effects on the production, quality, post-crop conservation and acceptability of fruits of the yellow passion fruit plant (Passiflora edulis, Sims f. flavicarpa Degener). The experiment was established in March 2004, in a red yellow Latosol of Sementeira Experimental

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12

Cherif, Sarra. "Variation de la qualité des dattes en fonction des conditions de conservation et des traitements post-récolte Effet de la température et de la durée de conservation sur la qualité des dattes ‘Deglet Nour’ Does hydratation of ‘Deglet Nour’ date palm fruits after harvest improve their organoleptic and nutritional characteristics? European Food Research and Technology." Thesis, Avignon, 2021. http://www.theses.fr/2021AVIG0726.

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La production de dattes ne cesse d’augmenter d’une saison à une autre ce qui engendre des pertes essentiellement lors des étapes de manutention et de commercialisation. De plus, l’étape de manutention post-récolte joue un rôle important dans le maintien de la qualité des dattes. Dans ce cadre et afin de préserver les qualités organoleptique et nutritionnelle des dattes après récolte tout en améliorant leur valeur commerciale, des essais de conservation et de traitement post-récolte ont été mis en place. L’effet de la conservation des dattes en fonction de la température, du temps, de l’utilisa

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13

Naikare, Shriram Maruti. "Ripening behaviour of some tropical fruits and application of post harvest treatments." Thesis, 1999. http://hdl.handle.net/2009/3131.

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14

John, Jacob P. "Studies on the post harvest handling, storage and processing of breadfruit and jackfruit." Thesis, 1993. http://hdl.handle.net/2009/1866.

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15

Chang, Chen Ming, and 陳明昌. "Studies on the Growth and Development of Waxapple Fruits and Post-harvest Technology." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/08921267076089332909.

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碩士<br>國立屏東科技大學<br>熱帶農業暨國際合作研究所<br>94<br>This research is focused on the examination of the growth process of the‘ pink’ and ‘da-li’ Waxapple fruit, and to understand the harvesting quality of the ‘pink’ Waxapple fruit in different seasons of various regions. Further, in order to promote exportation, a study of how low temperature storage and packing method can help to prolong the life of the‘pink’ Waxapple fruit after harvest is conducted, which is concluded with a sea transport simulation. The growth curve of ‘ pink’and‘da-li’Waxapple fruits is single S type. During the initial growth stage

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16

Gregory, MJ. "Saffron (Crocus sativus) : post harvest technology for optimising spice quality - and new product potential." Thesis, 2010. https://eprints.utas.edu.au/19891/1/whole_GregoryMatthewJames2010_thesis.pdf.

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ISO and alternative analytical techniques were applied to Australian saffron. These analysis methods were used to assess quality in comparison to the international standard and products from other major producing countries. While Australian saffron was generally shown to be of high colour quality, also identified were the potential for greatly improving aroma strength and the risk of insufficient drying leading to degradation of components during storage. The deficiencies of the ISO method for determination of aroma strength have been referred to previously by a number of authors. In this stu

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17

Podd, Lindsey Alice. "The physiological response of cut carnation flowers to ethanol and acetaldehyde post-harvest treatments." Thesis, 2000. http://hdl.handle.net/10413/10268.

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A replacement for silver thiosulphate as a commercial post-harvest treatment needs to be found. The longevity of cut carnation flowers is extended by all concentrations of ethanol tested. Compared to a water control, the vase-life of ethanol-treated flowers is between 150 and 250% longer. The greatest longevity increases are recorded with 3% ethanol. The use of ethanol as a post-harvest treatment was tested. The longevity increase as a result of ethanol application only occurs if the ethanol is applied as a holding solution. Pulse treatments are not effective at delaying the senescence of the

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18

Mditshwa, Asanda. "The potential of post-harvest potassium silicate dips to mitigate chilling injury on citrus fruit." Thesis, 2012. http://hdl.handle.net/10413/7892.

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The South African Citrus Industry is the second largest exporter of citrus, after Spain. The industry is under pressure to supply high quality fruit as well as to expand into new, high paying markets. However, high paying markets such as Japan and the USA require cold sterilised fruit as obligatory quarantine treatments against Mediterranean fruit fly (Ceratitis capitata) in order to reduce any possible spread of the pest. Citrus fruit originated from tropical climates and hence are chilling susceptible. Chilling injury symptoms appear as dark brown spots, pitting and/or decay when fruit are t

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19

East, Andrew Richard. "The influence of breaks in optimal storage conditions on "Cripps Pink" apple physiology and quality : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Food Technology at Massey University, Palmerston North, New Zealand." 2006. http://hdl.handle.net/10179/727.

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Apples stored onshore in Australia and New Zealand, are maintained at optimal storage conditions with the aid of low temperatures; controlled atmospheres (CA) and new technologies that retard the production or effect of ethylene (AVG and 1-MCP respectively). These technologies allow distribution of the highest quality apples to local and export markets on a year round basis. However, during distribution, maintenance of optimal storage conditions may be lost due to refrigeration system breakdown, operational constraints or management decisions. This thesis quantifies the influence of commercial

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20

(11390741), Saumindra Bhattacharya. "The Role of Auto-Harvester in Enhancing the Efficiency of the Australian Mango Value Chain." Thesis, 2024. https://figshare.com/articles/thesis/The_Role_of_Auto-Harvester_in_Enhancing_the_Efficiency_of_the_Australian_Mango_Value_Chain/29265830.

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The growing reduction in overtime-driven manual labour is an imminent threat to the profitability and overall sustainability of the agri-food industry, including the Australian mango industry. Specifically, picking and packing operations during harvesting contribute almost 50% or more of the total variable cost of production. The adoption of cost-efficient automation technologies in the harvesting of high-value tree fruits, therefore, becomes essential. However, it faces the challenges of capital investment, reliable equipment performance, compatibility to heterogenous planting systems in the

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21

Ximenes, Marçal Avelino. "A tecnologia pós-colheita e qualidade física e organoléptica do café arábica de Timor." Master's thesis, 2010. http://hdl.handle.net/10400.5/2458.

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Mestrado em Engenharia Alimentar - Instituto Superior de Agronomia<br>Coffee is a major source of foreign currency of Timor-Leste and is the primary source of income for about one quarter of the population. This study characterized the Ermera’s coffee and assesses the impact of soil and climatic conditions and post-harvest technology especially in physical and organoleptic characteristics of green coffee. In the first part of the work, I was accompanied the post-harvest technology practiced by the companies and farmers, picking up 13 samples. Proceeded to the physical analysis of green co

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Utto, Weerawate. "Mathematical modelling of active packaging systems for horticultural products : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Packaging Technology at Massey University, New Zealand." 2008. http://hdl.handle.net/10179/824.

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Active packaging systems can offer significant advantages in preventing quality loss in horticultural products through control of microbial and/or physiological activity. By delivering and sustaining volatile active agents at effective levels in a package atmosphere, significant shelf life extension can thus be achieved. Design of these systems is complicated by the number of possible package, product, active agent and carrier combinations that can be employed and the significant interactions that may occur between these components. Mathematical modelling can be used to simplify system design

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(9183350), Laura Elizabeth Leavens. "After the Project is Over: Measuring Longer-Term Impacts of a Food Safety Intervention in Senegal." Thesis, 2020.

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<p>We followed up with about 2,000 smallholder households in Senegal, two years after these households participated in a randomized controlled trial (RCT) aimed at reducing levels of aflatoxins in smallholders’ stored maize. In the initial intervention, treated households were provided with training on proper post-harvest practices, low-cost moisture meters for testing if maize was sufficiently dry to store, plastic tarps for drying maize of the ground, and hermetic (airtight) storage bags to mitigate aflatoxin development in stored maize. Using cross-sectional follow up data on aflatoxins lev

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