Chun Zhang
Abstract
The Ginkgo flavones were extracted from water leaching liquor of the Ginkgo leaves. The leaching conditions, extractant, extraction time, temperature, pH of the extraction solution and phase separation have been investigated. The optimum extraction conditions are: 60 ℃, 30 min. pH=3~4 and with ethylbutyl ketone as extractant.
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The Ginkgo flavones were extracted from water leaching liquor of the Ginkgo leaves. The leaching conditions, extractant, extraction time, temperature, pH of the extraction solution and phase separation have been investigated. The optimum extraction conditions are: 60 ℃, 30 min. pH=3~4 and with ethylbutyl ketone as extractant.
Key concepts: Chemistry, Flavones, Extraction (chemistry), Ginkgo, Chromatography, Leaching (pedology), Botany, Soil water