METHOD OF MANUFACTURING POLYMETHOXYFLAVONES

PROBLEM TO BE SOLVED: To provide a method of manufacturing polymethoxyflavones excellent in storage stability and solubility in high purity from extractions of plants of the genus Citrus obtained by supercritical fluid extraction.SOLUTION: A method of manufacturing soluble polymethoxyflavones includ...

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Hauptverfasser:	ARIMA TAKESHI, MURANISHI SHUICHI, MURAKOSO ATSUSHI, ADACHI KENJI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS FOODS OR FOODSTUFFS FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES METALLURGY ORGANIC CHEMISTRY PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method of manufacturing polymethoxyflavones excellent in storage stability and solubility in high purity from extractions of plants of the genus Citrus obtained by supercritical fluid extraction.SOLUTION: A method of manufacturing soluble polymethoxyflavones includes following processes: (A) a process of obtaining an extract A from plants of the genus Citrus by an extraction operation with supercritical fluid and a cosolvent; (B) a process of obtaining an extract B which the cosolvent is removed from the extract A by a concentration operation; (C) a process of obtaining an extract C from the extract B by an extraction operation with an ethanol solution; (D) a process of obtaining polymethoxyflavones by purifying the extract C or a dilution which the ethanol solution is added to the extract C with a porous material.