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词汇 Limiting amino acid
分类 英语词汇 英语翻译词典
释义

Limiting amino acid

中文百科

必需氨基酸 Essential amino acid

(重定向自Limiting amino acid)

必需氨基酸,指只存在食物中,动物无法合成,只能由食物中摄取,则这些氨基酸被称为必需氨基酸。动物需摄取必需氨基酸以制造蛋白质。由于不同物种的化合能力不同,对于某一物种是必需氨基酸的,对另一物种则不一定是必需氨基酸。

英语百科

Essential amino acid 必需氨基酸

(重定向自Limiting amino acid)
Alanine
Isoleucine Arginine*
Leucine Aspartic acid
Lysine Cysteine*
Methionine Glutamic acid
Phenylalanine Glutamine*
Threonine Glycine*
Tryptophan Proline*
Valine Serine*
Tyrosine*
Asparagine*
Selenocysteine

(*) Essential only in certain cases.

(**) Pyrrolysine, sometimes considered "the 22nd amino acid", is not listed here as it is not used by humans.

Eukaryotes can synthesize some of the amino acids from other substrates. Consequently, only a subset of the amino acids used in protein synthesis are essential nutrients.

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