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Antioxidative activity of hop bitter acids and their analogues.

Title
Antioxidative activity of hop bitter acids and their analogues.
Publication type
Journal Article
Year of Publication
1995
Authors
Tagashira, M., Watanabe, M., Uemitsu, N.
Journal
Bioscience, biotechnology, and biochemistry
Volume
59
Issue
4
Pagination
740 - 742
Date published
1995
ISBN
09168451 (ISSN)
Keywords
antioxidant, Antioxidants, article, chemistry, Free Radical Scavengers, humulon, lupulon, plant, Plants, scavenger, terpene, Terpenes
Abstract
Hop bitter acids, humulones (1) and lupulones (2), were shown to have potent DPPH radical scavenging activity (RSA) and lipid peroxidation inhibitory activity (LIA). Furthermore, 5-acetyl lupulones (3) and 4-methyl lupulones (4) had more potent LIA than native lupulones but no RSA. This result indicates that the beta, beta'-triketone moiety of the lupulones has LIA.
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