Extraction And Analysis Of Gigantol From Dendrobium Officinale With Response Surface Methodology
MOLECULES(2018)
Abstract
In order to optimize the extraction of gigantol from Dendrobium officinale, the influence of methanol concentration, ultrasonic temperature, and liquid ratio on extraction efficiency was analysed by the response surface analysis method. The results show that the extraction rate reached a maximum when the methanol concentration was 92.98%, the solid-liquid ratio was 27.2 mL/g, and the extraction temperature was 41.41 degrees C. The content of gigantol of Dendrobium officinale in leaves was significantly higher than that in stems, reaching 4.7942 mu g/g. The content of gigantol in Dendrobium huoshanensis Fengdou was significantly higher than that of other species of Fengdou. This experiment has practical significance for improving the utilization rate of Dendrobium officinale, and provides a reference for the study of the pharmacological and biological activity of gigantol.
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Key words
Dendrobium officinale, gigantol, response surface methodology, ultrasonic-assisted extraction
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