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，一種非常重要的氨基酸，也是血清素（讓人感覺良好的化學物質）的前導，會轉換成褪黑色素，刺激加強松弛感和愉悅。
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.
有機肥單施與CK比分別提高氨基酸含量3．37個百分點，必需氨基酸1．28個百分點，半必需氨基酸0．53個百分點；
Tryptophan is a essential amino acid for human beings and animals. It has many uses in medicine, food processing industry and forage additive.
色氨酸是人和動物躰內必需氨基酸之一，在毉葯、食品和飼料添加劑等方麪具有廣泛的用途。

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