A type of protein, usually found in food sources.

A historical term for a class of proteins essential for life.

जीवन के लिए आवश्यक प्रोटीनों का एक ऐतिहासिक नाम।

English Usage: "The study of proteid structure was crucial to biochemistry."

Hindi Usage: "प्रोटीन संरचना का अध्ययन जैव रसायन के लिए महत्वपूर्ण था।"