The colour of cow's milk is slight yellow due to the presence of -

The correct answer is Carotene.

Key Points

• Carotene is a pigment responsible for the slight yellow color in cow's milk.
• It is a precursor to Vitamin A and is commonly found in plants, especially in carrots.
• The yellowish color of cow’s milk is mainly due to the presence of carotene from the cow’s diet.
• Carotene is fat-soluble, meaning it dissolves in the milk fat, causing the yellowish tinge.

Additional Information

• Xanthophyll: Xanthophylls are yellow pigments found in plants but are not directly responsible for the color of cow's milk. These pigments play a role in photosynthesis in plants.
• Riboflavin: Riboflavin (Vitamin B2) is a water-soluble vitamin found in milk. It contributes to the greenish hue in skimmed milk.
• Ribulose: Ribulose is a sugar involved in the Calvin cycle of photosynthesis.