Acylated Cyanidin 3,7-Diglucosides in the Red-purple Flowers of Sophronitis wittigiana (Orchidaceae)

Abstract

1Faculty of Agriculture, Iwate University, Morioka 020-8550, Japan 2Meiji-Gakuin University, Minato-ku, Tokyo 108-8636, Japan 3Tsukuba Botanical Garden, National Science Museum, Tsukuba 305-0005, Japan 4Faculty of Pharmaceutical Sciences, Hoshi University, Shinagawa-ku, Tokyo 142-8501, Japan 5NARO Hokkaido Agricultural Research Center, Sapporo 062-8555, Japan 6Faculty of Horticulture, Chiba University, Matsudo 271-8510, Japan