METHOD OF STABILIZING PICEATANNOL INCLUDED IN WATER-CONTAINING SOLUTION OF PLANT EXTRACT, AND WATER-CONTAINING SOLUTION OF PLANT EXTRACT

PROBLEM TO BE SOLVED: To provide a method of stabilizing piceatannol included in a water-containing solution of a plant extract, and the water-containing solution of the plant extract.SOLUTION: The method of stabilizing piceatannol included in a water-containing solution of a plant extract (excludin...

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Hauptverfasser:	KINOSHITA YOSUKE, YANAE KOJI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method of stabilizing piceatannol included in a water-containing solution of a plant extract, and the water-containing solution of the plant extract.SOLUTION: The method of stabilizing piceatannol included in a water-containing solution of a plant extract (excluding grape (Vitaceae) extract includes a step of controlling pH of the solution at 3.0-4.5. 【課題】植物抽出物の含水溶液に含まれるピセアタンノールの安定化方法、及び、植物抽出物の含水溶液を提供すること。【解決手段】植物抽出物（ただし、ブドウ（Vitaceae）抽出物を除く）の含水溶液に含まれるピセアタンノールの安定化方法として、溶液のｐＨを３．０〜４．５とする工程を含む安定化方法とする。【選択図】図３