银杏双黄酮

中文名称：银杏素
CAS号：481-46-9
中文别名：银杏素;银杏双黄酮
英文名称：GINKGETIN
英文别名：GINKGETIN;4',5,5'',7-Tetrahydroxy-4''',7''-dimethoxy-8,3'''-biflavone;5,7-Dihydroxy-8-[2-methoxy-5-(5-hydroxy-7-methoxy-4-oxo-4H-1-benzopyran-2-yl)phenyl]-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one;5,7-Dihydroxy-8-[5-(5-hydroxy-7-methoxy-4-oxo-4H-1-benzopyran-2-yl)-2-methoxyphenyl]-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one;GINKGETIN(RG)(PLEASE CALL);4H-1-Benzopyran-4-one,5,7-dihydroxy-8-[5-(5-hydroxy-7-methoxy-4-oxo-4H-1-benzopyran-2-yl)-2-methoxyphenyl]-2-(4-hydroxyphenyl;5,7-dihydroxy-8-[5-(5-hydroxy-7-methoxy-4-oxochromen-2-yl)-2-methoxyphenyl]-2-(4-hydroxyphenyl)chromen-4-one;7,4'-di-O-methylamentoflavone;Amentoflavone 7,4'-dimethyl ether;[ "" ]
EINEC:
分子式：C32H22O10
分子量：566.511089801788

外观：黄色结晶

熔点：大于300°c

植物来源：银杏叶

溶解度：微溶于乙酸乙酯，甲醇，氯仿，不溶于水，不溶于石油醚

稳定性：置阴凉处密封保存（仅用于科学研究）

TLC:氯仿：甲醇=10：1，紫外254nm显色

HPLC:0.1%磷酸：乙腈梯度洗脱；检测波长330nm（仅供参考)