期刊
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY
卷 68, 期 12, 页码 2616-2618出版社
TAYLOR & FRANCIS LTD
DOI: 10.1271/bbb.68.2616
关键词
barley tea; peroxynitrite; antioxidative compound; quercetin; isoamericanol A
Five phenolic compounds, p-hydroxyacetophenone, 5,7-dihydroxychromone, naringenin, quercetin, arid isoamericanol 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 antioxidative 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 mum.
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