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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·Bilobalide in leaves had a high ratio of total terpene lactone.

叶片中的双叶利德具有很高的总萜内酯比例。

3·The polymer may contain a lactone structure.

聚合物是含有内酯结构的聚合物。

4·This is the large ring lactone class antibiotic.

本品为大环内酯类抗生素。

5·American oak is much higher in lactone concentrations.

是在高于美国橡木桶内酯的含量。

6·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。

7·Study on technology of lactone curd of peanut and carrot;

研究了液相色谱-质谱联用技术检测花生中的黄曲霉毒素。

8·Natural esters • Natural aldehydes • Nathral Ketone, Lactone, Pyridine.

天然酯类•天然醛类•天然酮类，内酯类，吡嗪类。

9·The effective chemical composition are the lactone and ketonic compound.

有效化学成分为倍半萜内酯及黄酮。

10·Synthetic esters • Synthetic aldehydes • Synthetic Ketone, Lactone, Pyridine.

合成酯类•合成醛类•合成酮类，内酯类，吡嗪类。

内酯

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)。