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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 140 for “"milk protein"”.
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Milk protein adulteration detection via mass spectra and infrared spectroscopy
Milk protein adulteration concerns the addition of cheap foreign substance having high nitrogen content into milk and dairy products, to mask low natural protein in milk. Plant protein is a potential candidate of adulterants; soy, pea, wheat, and rice proteins being the most popular. The …
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Aspects of the chemistry of milk protein films formed on stainless steel
… surfaces, the physico-chemical properties of milk and the surface chemistry of proteins was reviewed to gain an insight into the formation, of protein-mineral films (“milkstone”) on the contact surfaces of dairy milk lines. Protein adsorption processes were considered fundamental to the …
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Expression of the Human Milk Protein, Beta-Casein : in Transgenic Potato Plants
<p>Mother’s milk is recommended by the nutritional and pediatric communities as the best food for suckling infants. For non breast-fed infants, bovine milk-based formulas have been regarded as a suitable substitute. In the early 1900's, physicians found that foreign proteins in cow milk were …
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Utilization of High Milk-Protein Powder in Bulk Starter Production and Manufacture of Gouda Cheese
<p>Membrane separation is a process based on the selective permeability of one or more components in a liquid mixture through a membrane barrier. The driving force is the hydrostatic pressure gradient required to overcome the osmotic pressure against which the water flow occurs. It can be used as …
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Impact of ingredient interactions on the physico-chemical stability of milk protein-stabilised oil-in-water emulsions
… emulsions also contain an emulsifier (e.g. protein). In addition, most food emulsions contain other ingredients, which are intended to adjust the macroscopic appearance, rheology or gravitational stability. Thickeners are used to slow down creaming or sedimentation phenomena. Using a model …
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Characterising the techno- and bio-functional properties of milk protein-polyphenol complexes for application in performance nutrition
… recovery. Dairy-plant hybrid beverages, rich in milk proteins and polyphenols, have considerable potential in this area, because both proteins and polyphenols have been positively linked to muscle strength and recovery. However, there is limited knowledge of the effects of protein-polyphenol …
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The post-dehydration processing and the effects on the structural modifications and functionalities of milk protein powders
… the effects on their rehydration processes. Then milk protein isolate powder (MPI) was used as the model system, which was agglomerated by fluidised bed and high shear mix (HS) granulators, using different liquid binders and comparing different granule sizes. The impact of both agglomeration …
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Determination of optimum amino acid complement for milk protein synthesis in the dispersed rat mammary cell culture
The amino acid requirement for milk protein synthesis was investigated in the rat mammary cells in tissue culture. Studies involved: 1) the amino acid reduction from a positive control (3X) back to a negative control (1X) for each of the essential amino acids that were present in the 1X-MEM …
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In vitro milk protein secretion by explants of Holstein bull mammary tissue from two different genetic lines
… in organ culture to synthesize and secrete milk proteins was studied. Sixteen bulls from the genetic selection and control lines developed at Virginia Polyteclmic Institute were randomly assigned to either a non-treated or steroid pretreated group. The steroid pretreated group received …
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Evaluation of risks associated with close environmental contact to swine that are transgenic for a bovine milk protein alpha-lactalbumin
… -lactalbumin, (B-LA) that results in increased milk production in sows. In this study, we wanted to determine whether B-LA is expressed in tissues of transgenic swine other than the lactating mammary gland and if the Tg DNA crosses into non-transgenic swine under various physiological and …
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Extracellular amino acid effects on milk protein synthesis and free amino acid pools in cultured rat and bovine mammary cells
… in free intracellular amino acid pools and milk protein synthesis in response to amino acid additions to the medium were measured. Increases in free intracellular amino acid pools are associated with increased protein synthesis and the rate of their change in response to extracellular amino …
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Investigation on donkey milk protein fractions: in vitro antimicrobial, antiviral and anti-proliferative activities and casein separation by cation exchange chromatography
… l’Università di Copenhagen su ¡°Functional milk compound ̈C with focus on milk proteins¡± e costituisce il report del primo anno di dottorato. Esso riporta un’accurata descrizione sull’attività antimicrobica del latte, con particolare attenzione alle proteine del siero, quali la …
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An evaluation of supplemental methionine sources for lactating dairy cows
… supplies of MP-Met to dairy cows to increase milk protein production is to feed rumen-protected Met ( RP-Met) products; however, not all RP-Met products are absorbed by the dairy cow in the same manner. Universally acceptable methods must be developed to determine the efficacy of different …
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Effects of pasture silage on yield and composition of milk from dairy cows
Factors affecting milk yield and composition were reviewed and it was concluded that feeding level and diet type (notably unwilted pasture silage) may have independent effects on yield and composition of milk. The objective of this research was to investigate the separate effects of forage type and …
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Effects of Growth Hormone and Insulin-Like Growth Factor-I on Milk Protein Gene Expression and Nutrient Uptake and Cell Proliferation in Clonal Bovine Mammary Epithelial Cells
… by which growth hormone (GH) stimulates milk production in cattle. Three studies were conducted toward this objective. In the first study, the effects of GH and insulin-like growth factor-I (IGF-I), a major mediator of GH action in vivo, on cell proliferation, nutrient transport, and milk …
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Alteration of Milk Composition in Dairy Cows Fed Supplemental Fat
… strategies for alleviating the depression in milk protein percentage that is associated with feeding supplemental fat to lactating dairy cows. In experiment one, it was hypothesized that feeding ruminally protected methionine and lysine would alleviate this depression in milk protein. Feeding …
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Evaluation of amino acid transport and protein metabolism in the mammary gland of dairy cattle
Improving our understanding of milk protein production regulation and AA transport is important for successfully formulating diets for AA and improving N efficiency. The objectives were to study protein synthesis regulation and AA transport using in vitro and in vivo models. In the first …
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Aggregation and gelation characteristics of high protein dairy ingredient powders
Milk protein-containing dairy ingredient powders are used extensively in the formulation of a wide range of foods and beverages. Protein is an essential component in such food systems, where it provides nutrition and a range of functionalities including rennet gelation, heat stability, ethanol …
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Predicting post-absorptive amino acid supply to the mammary tissue
… in characterizing effects of 5 individual EAA on milk protein production. However, there are 15 other AA that are incorporated into milk protein, and as such, these AA likely also play significant roles in driving milk protein synthesis, but lack of data prevents their incorporation into current …
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The effect of rumen- protected protein and amino acids, and genetic milk casein polymorphism on dairy cows’ performance
… is a need to produce more food, particularly protein, to feed the growing population and lower hunger and diminish food insecurity. One of FAO (2018) targets is “ by 2030, end hunger and ensure access by all people, in particular the poor and people in vulnerable situations, including infants, …
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