Why butter is yellow while milk is white: The science behind it
Why This Matters
Key context: Milk appears white because microscopic particles scatter all visible light wavelengths equally. Butter's yellow hue comes from beta-carotene stored in milk fat from cattle's diet. The shade of yellow butter varies based on the freshness of grass consumed by cows. Some butter appears white when cattle convert beta-carotene into vitamin A. Manufacturers sometimes add annatto for a consistent golden butter appearance year-round. This development from timesofindia.indiatimes.com highlights ongoing changes in the sector.
Milk appears white because microscopic particles scatter all visible light wavelengths equally. Butter's yellow hue comes from beta-carotene stored in milk fat from cattle's diet. The shade of yellow butter varies based on the freshness of grass consumed by cows. Some butter appears white when cattle convert beta-carotene into vitamin A. Manufacturers sometimes add annatto for a consistent golden butter appearance year-round.
Curation & Context
This page summarizes a public news report from timesofindia.indiatimes.com. Global News Hub provides the "Why This Matters" takeaway using editorial insights and AI curation to give readers rapid, high-value context before they click through to read the full article.