The Saussurea involucrata chemical composition was: alkaloid, flavanone, sterol, volatile oil, 16 kind of amino acids, Saussurea involucrata lactone and so on.
雪莲化学成分为：生物碱、黄酮、甾醇、挥发油、16种氨基酸、雪莲内酯等。
In this case, the interacting variables of protein level, amino acid composition, digestibility, and absorption of the amino acids all contribute to determine biological value.
此时，蛋白质含量，氨基酸组成，消化性能以及氨基酸吸收之间的相互作用均会影响生物学价值的测定。
The rate of flesh content, general nutritional composition and amino acids composition for 10 crucian carps in Qi-river were determined, its nutritional value was also synthetically evaluated.
测定了10尾淇河鲫的含肉率及其肌肉的常规营养成分和氨基酸组成，并对其营养价值作了综合评定。
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