Assessment of Antioxidant Activity of Natural Compound by Water- and Lipid-soluble Antioxidant Factor

We evaluated the antioxidant activity of natural compounds in water-soluble and lipid-soluble phases and found that ferulic acid, quercetin and caffeic acid showed stronger activity in the water-soluble phase. Various fractions isolated from Bidens pilosa showed this activity mainly in the water-sol...

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Veröffentlicht in:	YAKUGAKU ZASSHI 2004/11/01, Vol.124(11), pp.847-850
Hauptverfasser:	USAMI, Eiji, KUSANO, Genjiro, KATAYOSE, Takanori, WACHI, Hiroshi, SEYAMA, Yoshiyuki
Format:	Artikel
Sprache:	jpn
Schlagworte:	antioxidant activity Antioxidants - isolation & purification Antioxidants - pharmacology Bidens pilosa Caffeic Acids - isolation & purification Caffeic Acids - pharmacology Coumaric Acids - isolation & purification Coumaric Acids - pharmacology Drugs, Chinese Herbal - chemistry Free Radicals - antagonists & inhibitors Lipids propolis Propolis - chemistry Quercetin - isolation & purification Quercetin - pharmacology Solubility Water
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Zusammenfassung:	We evaluated the antioxidant activity of natural compounds in water-soluble and lipid-soluble phases and found that ferulic acid, quercetin and caffeic acid showed stronger activity in the water-soluble phase. Various fractions isolated from Bidens pilosa showed this activity mainly in the water-soluble phase. Antioxidant activity in the lipid-soluble phase of propolis depended on the lipophilic extraction.
ISSN:	0031-6903 1347-5231
DOI:	10.1248/yakushi.124.847