Dairy Chemistry And Biochemistry

SALTS OF MILK^243 / GO1 GOLGI VESICLE Casein u D P-G a1 ac t ose ,GI VESICLE Casein \ CanPO, Cll -----=2 D ’ CYTOSOL ci I Figure ...

244 DAIRY CHEMISTRY AND BIOCHEMISTRY 0.18 - 0.16- 0.14 - 0.12 - 0.1- a 6 & G 0.08- 0.06 - p ...d ...*.. , .o,. .... .. * ... ...

SALTS OF MILK 245 0.25 0.2 0.15 3 2 u ct 0.1 0.05 Percent of lactation Figure 5.3 Changes in the concentration of chloride in bo ...

246 DAIRY CHEMISTRY AND BIOCHEMISTRY seasonal trend; the pH of colostrum is about 6 but increases to the normal value of about 6 ...

SALTS OF MILK 247 5.5.3 Infection of the udder Milk from cows with mastitic infections contains a low level of total solids, esp ...

248 7- 68 6.7 6.6 - 6.S - 6.4 DAIRY CHEMISTRY AND BIOCHEMISTRY 3.2 - 69:/ ;l\ 29 - 2.n - IIIII1^27 29 3 I 3.1 I 3.2 I 3.3 I Tabl ...

SALTS OF MILK 249 There is a direct correlation between the concentration of diffusible Ca (and diffusible Mg) and the concentr ...

(^250) DAIRY CHEMISTRY AND BIOCHEMISTRY Table 5.4 Effect of temperature on the composition of diffusate obtained by dialysis (mo ...

SALTS OF MILK^25 1 Figure 5.7 Distribution of phosphorus among various classes of compounds in bovine milk. and sulphate, anions ...

252 DAIRY CHEMISTRY AND BIOCHEMISTRY I I I I I I 1 2 3 Eauivalentsof NaOH added Figure 5.8 Titration curve for phosphoric acid ( ...

SALTS OF MILK 253 For the second dissociation, i.e. H,PO, e HPOi- + H’; pK: = 6.83 [salt] [acid] 6.6 = 6.83 + log- [salt] [acid] ...

254 DAIRY CHEMISTRY AND BIOCHEMISTRY Table 5.6 Distribution of milk salts ~~ Soluble Colloidal (%) Concentration Species (mg1-l) ...

SALTS OF MILK 255 Table 5.7 Calculated concentrations (mM) of ions and complexes in a typical milk diffusate (from Holt, Dalglei ...

256 DAIRY CHEMISTRY AND BIOCHEMISTRY "1 0.6 I I I I I 0 1 2 3 4 5 6 Calcium concentration (mM) Figure 5.9 Standard curve for the ...

SALTS OF MILK 257 principal colloidal salt is calcium phosphate; about 67% and 57%, respec- tively, of the total calcium and pho ...

258 DAIRY CHEMISTRY AND BIOCHEMISTRY (1982) argues that CCP is most likely to be amorphous tricalcium phos- phate [Ca,(PO,),]. T ...

SALTS OF MILK 259 The best physical studies, using various forms of X-ray spectroscopy, on the structure of CCP have been undert ...

260 DAIRY CHEMISTRY AND BIOCHEMISTRY 100- 8.0 - 60- 40 - 5.8 Changes in milk salts equilibria induced by various treatments The ...

SALTS OF MILK 26 1 5.8.2 Addition of various salts Divalent cations. Addition of calcium to milk causes precipitation of soluble ...

262 DAIRY CHEMISTRY AND BIOCHEMISTRY phosphate at the expense of CCP. At low temperatures, shifts in the ionic balance are readi ...