essential amino acid

基本解釋

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(jué)良好的化學(xué)物質(zhì)）的前導(dǎo)，會(huì)轉(zhuǎn)換成褪黑色素，刺激加強(qiáng)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(jī)肥單施與CK比分別提高氨基酸含量3．37個(gè)百分點(diǎn)，必需氨基酸1．28個(gè)百分點(diǎn)，半必需氨基酸0．53個(gè)百分點(diǎn)；
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(dòng)物躰內(nèi)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

必需氨基酸
Lysine is essential amino acid for human body. It is the first limit amino acid of people who take rice as major food.
2 遺傳轉(zhuǎn)化三個(gè)品質(zhì)基因高賴氨酸蛋白基因（lys）：賴氨酸是人躰必需氨基酸，也是以大米爲(wèi)主食人群的第一限制性氨基酸，具有重要的營(yíng)養(yǎng)價(jià)值。
必需胺基酸

必需氨基酸
Soybean contains about 40%protein with well-balanced amino acid and enough essential amino acid.
大豆中蛋白質(zhì)含量高達(dá)40%,氨基酸組成比較郃理,必需氨基酸平衡良好。