Friday, March 15, 2019

Adding vitamin D in milk

Milk normally contains vitamin D, but the amount varies with cow’s diet, and with her exposure to sunlight.

Milk has a relatively low content of vitamin D particularly in the winter. Summer milk may have approximately 30 IU in each quart but in winter, the content falls very much below this level. The vitamin D level in milk may be raised by simply adding the milk a dispersible preparation of the vitamin.


This generally is accomplished by adding a concentrate to the milk, prior to pasteurization, to increase the potency to at least 400 IU of vitamin D per quart of milk.

Pasteurization of milk and sterilization of evaporate milk do not destroy vitamin D. Most of the milk consumed in the United States contains added vitamin D.
Adding vitamin D in milk

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