1) lactone
[英]['læktəun] [美]['lækton]
内酯
1.
Study on extraction and separation method for lactone components in Chuanxiong;
川芎中内酯类化学成分的提取与溶剂萃取分离方法研究
2.
Progresses in the Synthesis of Biotin Intermediate Lactone;
生物素中间体内酯合成进展
3.
Chemo-enzymatic synthesis of the chiral lactone moiety of mevinic acids;
化学-酶法合成他汀类手性内酯结构单元
2) lactones
内酯
1.
Comparative Study on the Contents of Flavonoids and Lactones in Ginkgo Pollen from Different Regions;
不同地区银杏花粉黄酮和内酯含量的差异性
2.
The results showed that there were carbohydrates and its glucosides,phenol components,alkaloids,steroids,terpenoid components,flavone and its glucosides,lactones,coumarin and its glucosides,tannins,proteins,organic acid components,volatile oil,fat components,and not cyano-glucosides,saponin,cardiac glucosides,anthraquinone and its glucosides in Gentiana apiata.
对秦岭龙胆化学成分定性分析的结果表明,其中含有糖及其甙类,酚性成分,生物碱,甾体、萜类成分,黄酮及其甙类,内酯、香豆素及其甙类,鞣质,蛋白质,有机酸性成分,挥发油、油脂类成分。
3) Ginkgolides
内酯
1.
Determination of Ginkgolides from Leaves of Ginkgo Biloba L. in Nanxiong by HPLC;
南雄银杏叶中内酯的高效液相色谱法测定
2.
The leaf chemical composition was determined in terms of flavons, ginkgolides and the like.
2年生幼苗叶中的内酯含量与 16年生树无明显差异。
3.
Objective To observe the effects of the Ginkgo Biloba Exocarp ingredients [Polysaccharides (GBEP) , Ginkgolides and Ginkgolic acid] on the physical performance of the aging mice induced by D-galactose and to research into their mechanisms of deferring aging and improving moving ability.
目的:观察银杏外种皮成分中多糖(GBEP)、内酯和酚酸对D-半乳糖致衰老小鼠运动能力的影响,探讨银杏外种皮成分的延缓衰老、增强运动能力的作用机制。
4) Terpene
[英]['tə:pi:n] [美]['tɝpin]
内酯
1.
Genetic Variation of Flavonoid and Terpene Content in Ginkgo biloba Leaves and Growth among Various Families and Clones;
银杏不同家系和无性系叶片黄酮与内酯含量变异
2.
Effects of Light Spectrum and Photoperiod on Contents of Flavonoid and Terpene in Leaves of Ginkgo biloba L.;
光质和光照时间对银杏叶片黄酮、内酯含量的影响
3.
Study on the Factors Related to the Accumulation of Flavonioid and Terpene in Ginkgo Biloba Leaves;
影响银杏叶有效成分黄酮、内酯含量相关因素的研究
5) ketolide and acylide
酮内酯和酰内酯
6) ε-Caprolactone
己内酯
1.
Two Dimensional Nuclear Magnetic Resonance Analysis on the Sequence Structure of Biodegradable Copolymer Derived from Trimethylene Carbonate and ε-Caprolactone;
三亚甲基碳酸酯和己内酯生物可降解共聚物序列结构的二维核磁分析
2.
Ring-open Polymerization of ε-Caprolactone Catalyzed by Substituted Indenyl Complexes;
取代茚基二价稀土配合物催化己内酯开环聚合反应
3.
Study on graft polymerization of ε-caprolactone onto cellulose acetate;
纤维素醋酸酯接枝己内酯的合成与表征
补充资料：内酯
分子式：
CAS号：
性质：羧酸分子中的羟基（—OH）和羧基（—COOH）脱去一分水生成的环状结构的酯，常见的内酯为x=2,3或4,分别称为β-、γ-或δ-内酯。低级（环较小）内酯为具有香味的液体，易溶于水、乙醇及乙醚。性质与开链羧酸酯相似，与水（酸或碱存在下）、醇或氨反应，生成相应的羟基酸、羟基酸酯或羟基酰胺。β-内酯通常由乙烯酮与醛、酮反应制取γ-或δ-内酯可由γ-或δ-卤代酸制取。一些从天然物中分离得到的大环内酯具有生物活性。
CAS号：
性质：羧酸分子中的羟基（—OH）和羧基（—COOH）脱去一分水生成的环状结构的酯，常见的内酯为x=2,3或4,分别称为β-、γ-或δ-内酯。低级（环较小）内酯为具有香味的液体，易溶于水、乙醇及乙醚。性质与开链羧酸酯相似，与水（酸或碱存在下）、醇或氨反应，生成相应的羟基酸、羟基酸酯或羟基酰胺。β-内酯通常由乙烯酮与醛、酮反应制取γ-或δ-内酯可由γ-或δ-卤代酸制取。一些从天然物中分离得到的大环内酯具有生物活性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条