Dairy Chemistry And Biochemistry

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

Table 5.3 Relationships between the pH of milk and the concentra-

tions of certain milk salt constituents

Inversely related to pH

Titratable acidity Colloidal inorganic calcium

Total soluble calcium Caseinate calcium

Soluble unionized calcium

Ionized calcium Colloidal calcium phosphate

Soluble magnesium Sodium

Soluble citrate

Soluble inorganic phosphorus Total phosphorus

Ester phosphorus

Potassium

Directly related to pH

Colloidal inorganic phosphorus

Chloride

140 -

130-

120-

110-

loo -

RO DO 100 110 120 130 140

Salt osmoluity (mM)

Figure 5.6 Interrelationships between lactose and soluble salts (osmolarity) and between some

soluble salts in bovine milk.