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The colour of cow’s milk is slightly yellow due to the presence of
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- xanthophyll
- riboflavin
- ribulose
- carotin
Correct Option: D
Carotene mostly affects the colour of fat. Since milk is comprised of around 3.5% milk fat, a dairy cow that is grass-fed tends to produce yellow milk, over a dairy cow that is not grass-fed and fed primarily a mix of hay, silage and grain.
