SEPARATION OF ANTITUMOR SUBSTANCE FROM CRUDE DRUG

PURPOSE:To obtain an antitumor substance from BASHIKEN (whole grass of Portulaca oleracea), etc., in high efficiency by extracting BASHIKEN, etc., with a lower alcohol, adding water to the extract, treating with petroleum ether, etc., and collecting the fraction soluble in the petroleum ether, etc....

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Bibliographische Detailangaben
Hauptverfasser:	IKEGAWA TETSUO, IKEGAWA NOBUO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS OF UNKNOWN CONSTITUTION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain an antitumor substance from BASHIKEN (whole grass of Portulaca oleracea), etc., in high efficiency by extracting BASHIKEN, etc., with a lower alcohol, adding water to the extract, treating with petroleum ether, etc., and collecting the fraction soluble in the petroleum ether, etc. CONSTITUTION:BASHIKEN, KIJITSU (fruit of Citrus aurantium) or TAISHASEKI (haematite) known as crude drugs is extracted with a lower alcohol such as methanol, the extract is mixed with water and treated with petroleum ether or ether and the fraction soluble in petroleum ether or ether is collected to obtain the objective antitumor substance having absorption peaks at 200-210nm and 270-290nm.