PROTEIN • DICTIONARY ONE.COM • Definition of Protein

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/prˈoʊtˌin/ Listen

Protein

noun

Any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes.

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Etymology of 'Protein'

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"Protein" Quotes from Famous Books

... of Barbados, being of opinion that it might be advantageously employed as human food, requested Dr. Shier, the analytical chemist, of Demerara, to determine in his laboratory its richness in protein compounds (the muscle-forming part of vegetable food) in comparison with Indian corn. He, therefore, caused a sample of each to be burned for nitrogen, when ...

— The Commercial Products of the Vegetable Kingdom • P. L. Simmonds

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