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DISTRIBUTION OF THE MAJOR MINERALS BETWEEN SOLUBLE AND COLLOIDAL PHASES OF BUFFALO MILK AS AFFECTED BY PH
Author(s) -
KAUR SURINDER,
SINDHU JAGVEER S.,
ROY NIRENDER K.
Publication year - 1983
Publication title -
journal of food processing and preservation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.511
H-Index - 48
eISSN - 1745-4549
pISSN - 0145-8892
DOI - 10.1111/j.1745-4549.1983.tb00659.x
Subject(s) - chemistry , potassium , magnesium , calcium , sodium , phosphate , potassium phosphate , sodium citrate , inorganic chemistry , colloid , chromatography , nuclear chemistry , biochemistry , organic chemistry , medicine , pathology
The influence of alteration in milk pH (in the range of 5 to 9) on the distribution of seven major minerals, namely, Calcium, Magnesium, Sodium, Potassium, Phosphate, Citrate and Chloride between the soluble and colloidal phases of buffalo milk was determined through ultracentrifugation technique. Study revealed that lowering in pH progressively increased the concentration of calcium, magnesium, phosphate and citrate in the soluble phase. However, the increase in soluble citrate was found to be statistically nonsignificant. On the other hand, the increase in pH above normal caused a progressive decrease in the soluble magnesium. The shift in the distribution of calcium, phosphate, and citrate was irregular. The influence of pH on the distribution of three monovalent minerals, sodium, potassium and chloride, could be studied effectively only in the case of potassium which remained almost unchanged between pH 5 to 7 but increased slightly between pH 8 to 9.