MASS-EXTRACTING METHOD OF QUERCETIN GLYCOSIDE FROM KYOHO LEAVES
PURPOSE: A method for massively extracting quercetin glycoside which is derived from Kyoho grape leave is provided to reduce price of raw material and produce large amount of quercetin glycoside. CONSTITUTION: A method for extracting quercetin glycoside which is derived from Kyoho leaves comprises:...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE: A method for massively extracting quercetin glycoside which is derived from Kyoho grape leave is provided to reduce price of raw material and produce large amount of quercetin glycoside. CONSTITUTION: A method for extracting quercetin glycoside which is derived from Kyoho leaves comprises: a step of pulverizing Kyoho leaves; a step of filtering the pulverized leaves to obtain concentrate; and a step of performing column chromatography to extract quercetin glycoside. The concentrate is obtained by a decompression evaporator. The method further comprises a step of mixing the concentrate with chloroform to remove chlorophyll and lipid. |
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