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Updated: Aug 14, 2026

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A Generalized Method for Determining Free Soluble Phenolic Acid Composition and Antioxidant Capacity of Cereals and Legumes
Published on: June 10, 2022
[Assessment of antioxidant activity of natural compound by water- and lipid-soluble antioxidant factor]
Eiji Usami1, Genjiro Kusano, Takanori Katayose
1Chigasaki Municipal Hospital, Chigasaki 253-0042, Japan. kusuri@mqi.biglobe.ne.jp
Yakugaku Zasshi : Journal of the Pharmaceutical Society of Japan
|November 2, 2004
Abstract:
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.

