银杏外种皮化学成分研究

Chemical Study on the Exopleura of Ginkgo biloba L.

摘要: 从银杏外种皮的乙酸乙酯、丙酮和正丁醇提取物中，分得８个结晶，经波谱解析，与对照品及标准图谱对照，分别鉴定为：胡萝卜甙（ｄａｕｃｏｓｔｅｒｏｌ，１）、银杏内酯Ａ和银杏内酯Ｂ混合物（ｇｉｎｋｇｏｌｉｄｅＡａｎｄＢ，２）、银杏内酯Ｃ（ｇｉｎｋｇｏｌｉｄｅＣ...

Abstract: Eight crystals were isolated from the exopleura of Ginkgo biloba L and determined as daucosterol(1), ginkgolide A and B(2), ginkgolide C(3), pyrocatechol(4), sciadopitysin(5), ginkgetin(6), isoginkgetin(7), protocatechuric acid(8) Compounds 1,2,3,