β-Acetylglucosaminidase in Bovine Milk Whey
نویسندگان
چکیده
منابع مشابه
Detecting β-Casein Variation in Bovine Milk.
In bovine species, β-casein (β-CN) is characterized by genetic polymorphism. The two most common protein variants are β-CN A² (the original one) and A¹, differing from A² for one amino acid substitution (Pro67 to His67). Several bioactive peptides affecting milk nutritional properties can originate from β-CN. Among them, β-casomorphin-7 (BCM7) ranging from amino acid 60 to 66 can be released mo...
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The aim of this study was to standardize a methodology to obtain two-dimensional (2D) maps of whey proteins from bovine colostrum and mature milk, using two-dimensional electrophoresis, in order to identify the minor proteins by matrix-assisted laser desorption/ionization tandem time-of-flight mass spectrometry (MALDI TOF/TOF MS). A total of 38 proteins were identified, 20 spots in the colostru...
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The beta-N-acetylglucosaminidases of rabbit and human polymorphonuclear leukocytes and of rabbit alveolar macrophages have been studied in comparison with the beta-N-acetylglucosaminidase derived from a soil bacillus which had previously been shown to hydrolyze the group-specific polysaccharide of Group A streptococci. The phagocytic enzymes are lysosome associated and have an acid pH optimum. ...
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Caseins were separated from whey proteins by acid precipitation of skimmed rabbit milk. Whole casein was resolved by sodium dodecyl sulphate/polyacrylamide-gel electrophoresis into three major bands with apparent relative molecular masses (Mr of 31 000, 29 000 and 25 000. On agarose/urea-gel electrophoresis whole casein gave three bands with electrophoretic mobilities a, , and y. The three comp...
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Milk whey—commonly known as cheese whey—is a by-product of cheese or casein in the dairy industry and contains usually high levels of lactose, low levels of nitrogenous compounds, protein, salts, lactic acid and small amounts of vitamins and minerals. Milk whey contains several unique components like immunoglobulins (Igs), lactoferrin (Lf), lactoperoxidase (Lp), glycomacropeptide (GMP) and sphi...
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ژورنال
عنوان ژورنال: Eisei kagaku
سال: 1971
ISSN: 0013-273X
DOI: 10.1248/jhs1956.17.426