Dairy Chemistry And Biochemistry

MILK PROTEINS 183 Principal micelle characteristics. The structure of the casein micelles has attracted the attention of scienti ...

184 DAIRY CHEMISTRY AND BIOCHEMISTRY 8. 9. 10. 11. The micelles can be destabilized by alcohols, acetone and similar solvents, s ...

MILK PROTEINS 185 these treatments do not solubilize CCP, suggesting that other forces, e.g. hydrophobic and hydrogen bonds, con ...

186 DAIRY CHEMISTRY AND BIOCHEMISTRY molecules forming a gel-like structure in which microgranules of colloidal calcium phosphat ...

MILK PROTEINS 187 wheys by dialysis and drying the retentate. The products prepared by these various methods differ: acid whey c ...

188 DAIRY CHEMISTRY AND BIOCHEMISTRY and buffalo are roughly similar to those in bovine milk but those in human milk are very di ...

MILK PROTEINS^189 4.7.3 Primary structure The amino acid sequence of bovine p-lg, consisting of 162 residues per monomer, is sho ...

190 DAIRY CHEMISTRY AND BIOCHEMISTRY Figure 4.23 Schematic representation of the tertiary structure of bovine /?-lactoglobulin, ...

MILK PROTEINS 191 Octamer (pH3.5-5.5) 0 Monomer (pH < 3.5) Dimer (PH 5.5-7.5) I 0 Monomer (pH > 7.5) Figure 4.24 Effect of ...

192 DAIRY CHEMISTRY AND BIOCHEMISTRY /I-Lg also binds free fatty acids and thus it stimulates lipolysis (lipases are inhibited b ...

MILK PROTEINS 193 1 I Are Y (Variant B) H. Glu-Gln-Leu-Thr-Lys-Cys-Glu-Val-F'he- -Glu-Leu-Lys- Asp-Leu-Lys-Gly-Tyr-Gl y-Gly- Gln ...

194 DAIRY CHEMISTRY AND BIOCHEMISTRY 4.8.7 Biological function One of the most interesting characteristics of cc-lactalbumin is ...

MILK PROTEINS 195 Figure 4.26 Calcium-binding loop in bovine a-lactalbumin (modified from Berliner et a/., 1991). 4.9 Blood seru ...

196 DAIRY CHEMISTRY AND BIOCHEMISTRY 41 0 141 A Net charge -10 -8 0 Figure 4.27 Model of the bovine serum albumin molecule. Igs ...

MILK PROTEINS 197 Figure 4.28 Model of the basic 7s immunoglobulin (Ig) molecule showing two heavy and two light chains joined b ...

(^198) DAIRY CHEMISTRY AND BIOCHEMISTRY , H-chain Figure 4.29 Models of IgG, IgA, IgD, IgE and IgM. (a) Structural model of IgG, ...

MILK PROTEINS^199 selective, 12-48h Probably Moderate, selective Extensive, selective Extensive, non- none 19 days in rots, mice ...

200 DAIRY CHEMISTRY AND BIOCHEMISTRY Table 4.7 Non-protein nitrogen of cow's milk Component N (mg I-') Ammonia 6.7 Urea 83.8 Cre ...

MILK PROTEINS 20 1 Table 4.8 Some important differences between bovine and human milk proteins Constituent Bovine Human Protein ...

202 DAIRY CHEMISTRY AND BIOCHEMISTRY PI M H n r ci VAL ILE GLU LEU $? 1 CYS + GLU + GLY [Plrsmsl UREA POLYAMINES GLUTAMATE y SEM ...