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Academic literature on the topic 'Lactosérum'
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Journal articles on the topic "Lactosérum"
Guillet, Christelle. "Le lactosérum, composition, utilisation et bénéfices nutritionnels." Pratiques en nutrition 15, no. 59 (July 2019): 35–37. http://dx.doi.org/10.1016/j.pranut.2019.05.008.
Full textDucruet, V., C. Degas, and G. Lamberet. "Composition lipidique d'un sous-produit de lactosérum de caséinerie." Le Lait 70, no. 2 (1990): 117–26. http://dx.doi.org/10.1051/lait:1990210.
Full textChampagne, C. P., C. Baillargeon-Côté, and J. Goulet. "Fermentation du lactosérum par cellules immobilisées de Lactobacillus helveticus." Canadian Institute of Food Science and Technology Journal 21, no. 4 (October 1988): 403–7. http://dx.doi.org/10.1016/s0315-5463(88)70976-1.
Full textBohoua, GL, and ZU Haque. "Effet des peptides du lactosérum sur l’activité superficielle des protéines." Sciences des Aliments 26, no. 6 (December 28, 2006): 525–32. http://dx.doi.org/10.3166/sda.26.525-532.
Full textMoulti-Mati, F., A. Mati, J. Capiaumont, F. Belleville, G. Linden, and P. Nabet. "Rôle de la β-lactoglobuline dans l'activité proliférative du lactosérum." Le Lait 71, no. 5 (1991): 543–53. http://dx.doi.org/10.1051/lait:1991542.
Full textThéodet, C., and G. Gandemer. "Devenir des lipides au cours de la clarification du lactosérum." Le Lait 74, no. 4 (1994): 281–95. http://dx.doi.org/10.1051/lait:1994423.
Full textRÉMOND, B., and J. B. COULON. "Digestion du lactosérum dans le rumen chez les vaches laitières." Reproduction Nutrition Développement 26, no. 1B (1986): 311–12. http://dx.doi.org/10.1051/rnd:19860232.
Full textPIERRE, A., and J. FAUQUANT. "Principes pour un procédé industriel de fractionnement des protéines du lactosérum." Le Lait 66, no. 4 (1986): 405–19. http://dx.doi.org/10.1051/lait:1986426.
Full textGault, P., M. Mahaut, and J. Korolczuk. "Caractéristiques rhéologiques et gélification thermique du concentré de protéines de lactosérum." Le Lait 70, no. 3 (1990): 217–32. http://dx.doi.org/10.1051/lait:1990318.
Full textPierre, A., Y. Legraet, J. Fauquant, M. Piot, C. Durier, and A. Kobilinsky. "Évaluation du rôle des facteurs physicochimiques dans la clarification du lactosérum." Le Lait 72, no. 4 (1992): 405–20. http://dx.doi.org/10.1051/lait:1992429.
Full textDissertations / Theses on the topic "Lactosérum"
Villaume, Véronique. "La concentration du lactosérum par évaporation." Paris 5, 1988. http://www.theses.fr/1988PA05P270.
Full textSaint-Sauveur, Diane. "Propriétés immunomodulantes des protéines et peptides du lactosérum." Thesis, Université Laval, 2009. http://www.theses.ulaval.ca/2009/26519/26519.pdf.
Full textHarmant, Philippe. "Contrôle de la structure de dépôts de particules colloi͏̈dales en filtration frontale et tangentielle." Toulouse 3, 1996. http://www.theses.fr/1996TOU30245.
Full textGulzar, Muhammad. "Dry heating of whey proteins under controlled physiocochdemical conditions : structures, inteactions and functionalities." Rennes, Agrocampus Ouest, 2011. http://www.theses.fr/2011NSARB220.
Full textDry heating is a pre-texturization process for food protein ingredients to improve their techno-functional properties (gelling, foaming, and emulsifying). The aim of this thesis was to identify the physicochemical characteristics of whey powders that modulate the structural changes of proteins during dry heating and the gelling properties of dry heated proteins. For this purpose, whey powders with various physicochemical characteristics in terms of pH, water activity, and composition (protein ratio, trace of calcium and lactose) were dry heated under different heat intensities (temperature/times). The water activity of the powder and dry heat intensity (temperature/times) accelerate the kinetic of denaturation/aggregation of whey proteins. Trace of lactose and pH also affect the structure of dry heated proteins. At pH 2. 5 the protein molecules were mainly linked together by intermolecular disulfide bonds, while at pH 6. 5, covalent cross-links other than disulfide bonds were also involved in formed aggregates. Depending upon its nature (free or fixed to proteins) and pH of powder, the lactose affects differently the denaturation/aggregation of whey proteins. In addition, non-native protein monomers having mass loss of 18 Da were also generated. Depending upon the quantity of soluble and insoluble aggregates of proteins, the gelling properties were changed. These results show the dominance of certain physicochemical characteristics of powder on protein structure modifications and their gelling properties, thus giving indications for improving the reproducibility of the functionality of dry heated protein ingredients at the industry
Trivino, Arevalo Angela. "Étude environnementale comparative des procédés de valorisation du lactosérum." Master's thesis, Université Laval, 2017. http://hdl.handle.net/20.500.11794/27923.
Full textThe residue from cheese production is whey, which has a biological oxygen demand (BOD) of between 40,000 and 60,000 mg/L. However, according to the standards prescribed by the Ministry of Sustainable Development, Environment and the Fight against Climate Change the effluent BOD cannot exceed 10 mg/L. The high content of lactose represents an important environmental burden which obliges them to be managed. The drying of whey, the valorization of its proteins or lactose, the production of methane constitute some alternatives of valorization’s pathways. To date, few studies have been done to evaluate the environmental impact of whey valorization. The objective of this project was to assess and compare the environmental impact of four whey management scenarios. The scenarios considered were: the production of skimmed whey; the production of whey powder; the production of methane and the production of diols. Data from cheese dairies in Québec concerning energy consumption and the quantity and nature of the raw materials used made it possible to determine the environmental impact of each evaluation procedure. According to the Life Cycle Assessment (LCA) methodology, the environmental impact was quantified on climate change (CC), ecosystem quality (QE), human health (SH) and resources (R). The results showed that the production of diols generates more environmental impact followed by the production of whey powder. The production of skimmed whey and methane results in a reduction of the impact on CC and R. The data obtained in this project could help to guide industrialists in their choice of processes for managing whey and permeate in a context of eco-efficiency.
Gernigon, Gwénolé. "Modélisation de la cinétique de cristallisation du lactose en solutions-modèles : - application à la transformation des lactosérums de mozzarella." Rennes, Agrocampus Ouest, 2012. http://www.theses.fr/2012NSARB225.
Full textThis study deals with transformation problems of the coproducts of mozzarella cheese production, mainly whey. First, several sweet wheys including mozzarella wheys were analyzed and compared. This comparison revealed that mozzarella wheys are atypic sweet wheys, richer than the other in minerals and some other compounds (lactate, galactose, ammonia, among others). Then a step by step study was conducted, testing the behaviour of model solutions in concentration and lactose crystallization trials. Spray drying was also briefly approached. Concentration trials showed very few differences, which appeared only for high concentrations of additive (50%). Lactose crystallization, which is very important to avoid the formation of amorphous lactose during spray drying, was studied in model solutions, as well as in some industrial products. A kinetic model based on a moment approach has been developed in order to analyze finely the results. Fittings with this model were very satisfying. A statistical analysis of the results issued from these fittings allowed highlighting some key facts. In general, there is a strong link between lactose crystallization kinetics and crystal morphology. An hypothesis concerning crystal growth inhibition by whey proteins (action at the interface crystal/solution) has been formulated. The inhibition of nucleation by acids and the absence of any effect of galactose on lactose crystallization has also been clearly demonstrated. Spray drying approach, on the one hand by using SD2P software, on the other hand by spray drying trials on real solutions, showed greater difficulties in some cases but did not allow to draw any conclusion, the aforementioned cases having bad crystallization. Furter research is needed on this point. At the end of this study some suggestions are formulated to carry on with research on this subject
Michel, Agnès. "Production de protéines de levures à partir de lactosérum brut." Lyon 1, 1986. http://www.theses.fr/1986LYO10709.
Full textThiers, Claudine. "Étude du fractionnement d'hydrolysats trypsiques de protéines du lactosérum par nanofiltration." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ44973.pdf.
Full textCastillo, Moreno Patricia. "Développement d'un procédé de production d'hydrogène photofermentaire à partir de lactosérum." Thesis, Université Grenoble Alpes (ComUE), 2018. http://www.theses.fr/2018GREAI029/document.
Full textHydrogen is a valuable gas use as a clean energy source and feedstock for some industries. Biological hydrogen production processes are gaining importance due to their operational conditions and versatility in the substrates (including wastewater). A hydrogen production photo fermentative methodology was developed using cheese whey as a substrate for the bacteria Rhodobacter capsulatus strain IR3::LacZ and B10::LacZ . The project was carried out in three stages.The purpose of the first stage is to identify the relevant factors to produce hydrogen for a synthetic whey medium in a photofermentation process, using the Design of Experiments methodology. The products of this stage are four statistical models, obtained for each strain and buffer solution studied. The strain IR3::LacZ was selected for the experiments with industrial whey as substrate. The maximum volumetric yield and the product/substrate yield YP/S were 64 ml h-1L-1 and 2.08 mol H2 mol-1 C (C is the carbon source in this case lactose and lactate) and 43.01 ml h-1L-1 and 2.52 mol H2 mol-1 C for phosphate buffer and Kolthoff buffer, respectively.In the second stage the production of hydrogen with industrial whey was evaluated. A three-step pre-treatment was applied before using industrial cheese whey as substrate: fat reduction, deproteinization and sterilization. A validate statistical model describing hydrogen production was only obtained for phosphate buffer. The maximum volumetric yield and the product/substrate yield YP/S were 45.93 ml h-1L-1 and 2.29 mol H2 mol-1 C respectively. The addition of an homofermentation to the pretreatment improved the production yield, in this case a volumetric productivity of 69.71 ml h-1L-1 and a YP/S of 2.96 mol H2 mol-1 C were obtained.The third stage was the scale-up to 1.5 and 1 reactor L for synthetic whey and 1L for synthetic and industrial whey respectively. A fermentative process appeared due to a bacterial contamination, leading to a high biogas production. Biogas was exclusively composed of H2 and CO2 the last in a concentration not exceeding 30% (v/v). For this reason, it was concluded that the integrated production process coupling dark and photo fermentations) is an option with great potential for the use of whey as substrate in the production of hydrogen
Taddei, Christine. "Mécanismes influençant le transfert de matière lors de l'ultrafiltration de lactosérum." Toulouse 3, 1986. http://www.theses.fr/1986TOU30169.
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