| Literature DB >> 15618635 |
Hideo Etoh1, Kazushi Murakami, Tokiyasu Yogoh, Hajime Ishikawa, Yoshiyasu Fukuyama, Hitoshi Tanaka.
Abstract
Five phenolic compounds, p-hydroxyacetophenone, 5,7-dihydroxychromone, naringenin, quercetin, and iso-americanol A, were found first time in the barley tea, together with the known compounds, p-hydroxybenzaldehyde, 3,4-dihydroxybenzaldehyde, p-hydroxybenzoic acid, vanillic acid, and p-coumaric acid. The anti-oxidative properties were evaluated by measuring their peroxynitrite-scavenging activities. Among these compounds, 3,4-dihydroxybenzaldehyde, p-coumaric acid, quercetin, and isoamericanol A showed stronger activities than that of BHT (butylated hydroxytoluene) at 400 microM.Entities:
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Year: 2004 PMID: 15618635 DOI: 10.1271/bbb.68.2616
Source DB: PubMed Journal: Biosci Biotechnol Biochem ISSN: 0916-8451 Impact factor: 2.043