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单词 Bios II
释义

Bios II

英语百科

Biotin

Skeletal formula of biotin
Ball-and-stick model of the Biotin molecule
Dean Burk, American biochemist who co-discovered biotin.

Biotin, is a water-soluble B-vitamin (vitamin B7), formerly known as vitamin H or coenzyme R.

It is composed of a ureido (tetrahydroimidizalone) ring fused with a tetrahydrothiophene ring. A valeric acid substituent is attached to one of the carbon atoms of the tetrahydrothiophene ring. Biotin is a coenzyme for carboxylase enzymes, involved in the synthesis of fatty acids, isoleucine, and valine, and in gluconeogenesis.

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更新时间:2025/6/18 14:26:17