Question

why is fat yellow in colour ?

Answer 1

Animals which tend to be more omnivorous, including humans, are less specialized than herbivores in breaking down dietary carotine, the photosynthetic pigment which makes carrots orange and butter yellow.

The carotene is stored in the fat cells, giving them a yellow color, where they can be converted into biologically useful (and colorless) retinoids (vitamin A) as needed.

Cattle and other major herbivores, however, convert the carotene into retinoids directly before storing them in fat, making the fat appear white instead of yellow.

Probably the most commonly consumed animal with visibly yellow fat is chicken.

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