Wednesday, February 15, 2017

Vitamin B in dairy milk

Milk contains both water-soluble and fat-soluble vitamins. The nonfat portion of milk is especially plentiful in the B vitamin riboflavin, a greenish fluorescent-colored vitamin.

It acts as a photosynthesizer and is readily destroyed upon exposure to sunlight.

Dairy milk contains more vitamin B than soy milk. It has 8 types of vitamin B, compared to soy milk which contains 7 types but lacking in vitamin B12.

Vitamin B12 is necessary for growth, maintenance of nerve tissues and normal blood formation, Milk provides 0.44 μg vitamin B12/100 g. Three glasses of milk would furnish all of the 2.4 μg vitamin B12 recommended for most adults.

Vitamin B12 content was measured in milk samples of 544 Dutch Holstein Friesian cows: content was 4.4 μg/L on average and varied between 1.0 and 12.9 μg/L. This variation between cows could to large extend be attributed to genetic factors.

Riboflavin or B2 vitamin is a yellow-green fluorescent compound and in addition to its role as a vitamin, it is responsible for the colour of milk serum.
Vitamin B in dairy milk
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