银杏安陆无性系A15号

中文名称:银杏内酯A

中文别名 :银杏内酯 A

英文名称:Ginkgolide A

英文别名:Ginkgolide A; BN 52020; 9H-1,7a-(Epoxymethano)-1H,6aH-cyclopenta(c)furo(2,3-b)furo(3',2':3,4)cyclopenta(1,2-d)furan-5,9,12(4H)-trione, 3-(1,1-dimethylethyl)hexahydro-4,7b-dihydroxy-8-methyl-, (1R,3S,3aS,4R,6aR,7aR,7bR,8S,10aS,11aS)-; 9H-1,7a-(Epoxymethano)-1H,6aH-cyclopenta(c)furo(2,3-b)furo(3',2':3,4)cyclopenta(1,2-d)furan-5,9,12(4H)-trione, 3-(1,1-dimethylethyl)hexahydro-4,7b-dihydroxy-8-methyl-, (1R-(1alpha,3beta,3aS*,4beta,6aalpha,7aalpha,7balpha,8alpha,10aalpha,11 aS*))-; 9H-1,7a-(Epoxymethano)-1H,6aH-cyclopenta(c)furo(2,3-b)furo(3',2':3,4)cyclopenta(1,2-d)furan-5,9,12(4H)-trione, 3-tert-butylhexahydro-4,7b-dihydroxy-8-methyl-; (3aR,4aR,4bR,5S,7aS,9R,11S)-11-tert-butyl-1,4b-dihydroxy-5-methyltetrahydro-4bH,9H-9,4a-(epoxymethano)cyclopenta[c]furo[2,3-b]furo[3',2':3,4]cyclopenta[1,2-d]furan-2,6,13(1H,5H)-trione; (1R,3aR,4bR,5S,7aS,9R,11S)-11-tert-butyl-1,4b-dihydroxy-5-methyltetrahydro-4bH,9H-9,4a-(epoxymethano)cyclopenta[c]furo[2,3-b]furo[3',2':3,4]cyclopenta[1,2-d]furan-2,6,13(1H,5H)-trione

CAS号:15291-75-5

分子式:C20H24O9

分子量:408.3992

密度:1.56g/cm3

熔点:330-332℃

沸点:710.1°C at 760 mmHg

闪点:256.5°C

蒸汽压:2.69E-23mmHg at 25°C

折光率:[a]57820=-39°

来源:银杏科植物银杏Ginkgo biloba L. 的干燥叶

性状:白色针晶。

溶解性:溶解于乙酸乙酯、甲醇、乙醇、二甲亚砜等溶剂。

药理作用:银杏内酯A对应激性溃疡有显著的预防作用,对胆碱能损伤记忆功能具有恢复作用，能防止ChAT活力降低,缓解和改善心肌缺血作用，可阻抑DAD的发生,并有抗焦虑作用。

包装说明:毫克级,克级

保质期:2年

贮藏条件:阴凉干燥，避光环境保存。