Function: it is one of the essential amino acid to human body and used as nutrition enriching substance and food additive.

用途：人体必需氨基酸之一，用作营养增补剂、食品添加剂。

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Function: it is one of the essential amino acid to human body and used as nutrition enriching substance and food additive.

用途：人体必需氨基酸之一，用作营养增补剂、食品添加剂。

youdao