essential amino acid

常见例句

Tryptophan is an essential amino acid that acts as a precursor of serotonin – the feel-good chemical – and can be converted to melatonin, eliciting relaxation and pleasure.
色氨酸，一种非常重要的氨基酸，也是血清素（让人感觉良好的化学物质）的前导，会转换成褪黑色素，刺激加强松弛感和愉悦。
Compared to CK, organic manure application singly could increase amino acid content by 3.37% , essential amino acid 1.28%, semi essential amino acid 0.53%. Compared to N.
有机肥单施与CK比分别提高氨基酸含量3．37个百分点，必需氨基酸1．28个百分点，半必需氨基酸0．53个百分点；
Tryptophan is a essential amino acid for human beings and animals. It has many uses in medicine, food processing industry and forage additive.
色氨酸是人和动物体内必需氨基酸之一，在医药、食品和饲料添加剂等方面具有广泛的用途。

Five years ago Pioneer Hi-Bred International (a subsidiary of DuPont) figured out how to slide a critical gene from corn into sorghum to make a variant with more lysine--an essential amino acid.
FORBES: Chutzpah Science