Esters, alcohols, aldehydes, and lactones were the major constituents.
主要成分为酯类、醇类、醛类、内酯类化合物。
Lactones are major chemicals used in the preparation of other organic reagents.
内酯是制备其他有机试剂的重要化学品。
The main ingredients of Tripterygium wilfordii are total alkaloids and terpenoid lactones.
雷公藤生物碱和总萜内酯是雷公藤主要有效成分。
This article reviews the progress in the synthetic methods of fluorine-containing lactones.
就含氟内酯化合物合成方法的研究进展进行了综述。
Objective:To detect the total flavonol glycosides and terpene lactones in Xinghong particles.
目的：测定复方杏红颗粒中的总黄酮醇苷和萜内酯的含量。
OBJECTIVE to detect the total flavonol glycosides and terpene lactones in Ginkgo leaf tablets.
目的测定银杏叶片中总黄酮醇苷和银杏萜类内酯的含量。
Thus, it is a meaningful thing to study how to introduce fluorine -containing groups into lactones.
因此如何在内酯分子中，引入含氟基团是一个非常有意义的工作。
This article reviews the progress in the study on synthetic method of fluorine-containing lactones.
就含氟内酯化合物合成方法的研究进展进行了综述。
Dr Blackwell studies a group of quorum-sensing molecules called acylated homoserine lactones (AHLs).
Blackwell博士研究了群体感应中的一种叫做酰基高丝氨酸内酯(AHLs)分子。
The extraction yield of the lactones under the optimal method was above 70%, and the purity was above 90%.
采用该方法，异土木香内酯与土木香内酯的提取率大于70%，其纯度大于90%。
The contents of carboxyl, phenol hydroxyl, and lactones groups on carbon black surface have been determined.
同时测定了炭黑表面羧基、酚羟基、内酯基等酸性含氧基团的含量。
Objective: to study the effects of total lactones of ginkgo on learning and memory disorder induced by ethanol.
目的观察银杏总内酯对乙醇所致记忆障碍的作用。
Conclusion: Total lactones of ginkgo can prevent and treat the memory disorder in acute and chronic ethanol intoxication.
结论银杏总内酯可防治急、慢性乙醇中毒所致的学习记忆功能减退。
Compared to conventional chemical synthesis, lipases catalyzed synthesis of lactones is simple, mild and highly productive.
与传统的化学合成法相比，脂肪酶催化合成内酯具有方法简单、反应条件温和和产率高等特点。
Hawthorn has rich nutrition and contains vitamins, flavones, lactones, carbohydrates, proteins, fats and minerals such as Ca, P and Fe.
山楂营养丰富，含有多 种维生素，还含有黄铜类、内酯、糖类、蛋白质、脂肪和钙、磷、铁等矿物质。
Isolation of three sesquiterpene lactones from the roots of Cichorium glandulosum Boiss. et Huet. by high-speed counter-current chromatography.
高速逆流色谱法分离毛菊苣根中的三种倍半萜烯内酯。
Isolation of three sesquiterpene lactones from the roots of Cichorium glandulosum Boiss. et Huet. by high-speed counter-current chromatography.
高速逆流色谱法分离毛菊苣根中的三种倍半萜烯内酯。
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