1·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。
2·The present invention relates to lactone compound, synthesis method and application.
本发明涉及内酯化合物、合成方法及用途。
3·The brain is mainly used to do tofu plaster or lactone.
大脑主要是用来做豆腐石膏或内酯。
4·Its molecular structure is made up of a five member, unsaturated lactone ring with two hydroxyl groups.
其分子结构是由五个成员国，不饱和内酯环两个羟基。
5·The oxidation of LCVL by oxidizing agents such as hydrogen peroxide affords crystal violet lactone (CVL).
用氧化剂如过氧化氢氧化lcvl，得到结晶紫内酯(CVL)。