The Saussurea involucrata chemical composition was: alkaloid, flavanone, sterol, volatileoil, 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。
2
Method: Analyzing the content of volatileoil by pharmacopoeia method.
方法：用药典方法对挥发油进行含量测定。
3
Oil projects look increasingly pricey and risky-and they will always depend on a volatileoil market.