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Colour of butter and vitamin A

Weckel, K.G.

Nat. Butter and Cheese J 28(17): 28-31

1937


Accession: 013335890

Seasonal variations in the carotene and vitamin A content of butter showed carotene to be highest from May to August, and vitamin A from May to November Forage plants differed in the amount of total vitamin A activity conferred to butter, sweet clover being highest and timothy and meadow grass lowest.

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