title: Determination of antioxidant activity and characterization of antioxidant phenolics in the plum vinegar extract of cherry blossom (Prunus lannesiana).
abstract: Sakura-cha (salted cherry blossom tea) is a Japanese tea that is traditionally served at celebrations such as wedding ceremonies. The production of Sakura-cha includes the immersion of cherry blossom flowers in Japanese plum vinegar, and through this process, the byproduct (plum vinegar extract of cherry blossom) is obtained. In this study, the antioxidant activity of the plum vinegar extract of cherry blossom was examined. The plum vinegar extract of cherry blossom had a greater superoxide anion scavenging activity compared with red wine, which is a well-known strong antioxidant. Liquid chromatography-mass spectrometry analysis showed that cyanidin-3-glucoside, cyanidin-3-rutinoside, and caffeic acid were the major components in the phenolic extract prepared from plum vinegar extract of cherry blossom, and they possessed superoxide anion scavenging activity. Caffeic acid is mainly responsible for the scavenging activity of phenolic extract; the contributions of cyanidin-3-glucoside and cyanidin-3-rutinoside were minor.
authors: Department of Bioresources Science, Faculty of Agriculture, Kochi University, Monobe B-200, Nankoku 783-8502, Japan.
authors: Ritaro
authors: R
authors: Matsuura
authors: Hironori
authors: H
authors: Moriyama
authors: Naruki
authors: N
authors: Takeda
authors: Kyoko
authors: K
authors: Yamamoto
authors: Yusuke
authors: Y
authors: Morita
authors: Tomoko
authors: T
authors: Shimamura
authors: Hiroyuki
authors: H
authors: Ukeda
mesh_terms: D000872:Anthocyanins / Q000032:analysis; D000975:Antioxidants / Q000032:analysis* / Q000494:pharmacology; D002109:Caffeic Acids / Q000032:analysis; D035264:Flowers / Q000737:chemistry*; D005960:Glucosides / Q000032:analysis; D010636:Phenols / Q000032:analysis* / Q000494:pharmacology; D010936:Plant Extracts / Q000737:chemistry*; D027861:Prunus / Q000737:chemistry*; D013481:Superoxides
chemical_list: D000872:Anthocyanins; D000975:Antioxidants; D002109:Caffeic Acids; D005960:Glucosides; D010636:Phenols; D010936:Plant Extracts; C462279:cyanidin-3-O-beta-glucopyranoside; D013481:Superoxides; C428983:cyanidin 3-rutinoside; C040048:caffeic acid