1、Milk contains tryptophan, an essential amino acid that is a natural dietary sleep inducer.
牛奶中的色氨酸是一種天然促進(jìn)睡眠的人體必需氨基酸。

2、The index of the essential amino acid was 114.71. P.
對幼蟲進(jìn)行氨基酸評價，其必需氨基酸指數(shù)為114.71。

3、Cereals are especially deficient in the essential amino acid lysine.
谷物特別缺乏必需氨基酸——賴氨酸。

4、The average of essential amino acid indexes is 60.
必需氨基酸指數(shù)平均值為60。

5、Lisine and histidine content among essential amino acid was higher than that in ideal protein.
必需氨基酸中，賴氨酸和組氨酸均高于理想蛋白質(zhì)中相應(yīng)氨基酸的含量。

essential amino acid翻譯