The Ginkgo flavones were extracted from water leaching liquor of the Ginkgo leaves. Theleaching conditions, extractant, extraction time, temperature, pH of the extraction solution andphase separation have been investi...The Ginkgo flavones were extracted from water leaching liquor of the Ginkgo leaves. Theleaching conditions, extractant, extraction time, temperature, pH of the extraction solution andphase separation have been investigated. The optimum extraction conditions are: 60 ℃, 30 min.pH=3~4 and with ethylbutyl ketone as extractant.展开更多
文摘The Ginkgo flavones were extracted from water leaching liquor of the Ginkgo leaves. Theleaching conditions, extractant, extraction time, temperature, pH of the extraction solution andphase separation have been investigated. The optimum extraction conditions are: 60 ℃, 30 min.pH=3~4 and with ethylbutyl ketone as extractant.