Abstract
Four flavonol glycosides (Fig.1) were isolated from the leaves ofTrillium tschonoskii Maxim. By means of UV, NMR, and mass spectral analyses, they were identified to be acetylated kaempferol 3-O-arabinosylgalactoside (TK-1), kaempferol 3-O-arabinosylgalactoside (TK-2), acetylated quercetin 3-O-arabinosylgalactoside (TQ-1) and quercetin 3-O-arabinosylgalactoside (TQ-2). High performance liquid chromatography (HPLC) profiles of 172 specimens ofT. tschonoskii collected from nine different places in Japan were grouped into three different types based on the flavonoid components: type I and type II containing TK-1 and TQ-1, and TK-2 and TQ-2, respectively, as main component, and type III containing all of four flavonol glycosides. Those results show that the intraspecific variation ofT. tschonoskii with different geographical distribution has not only been found by the analysis of karyotype, but also that of flavonoid components.
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Yoshitama, K., Ishikura, N., Maso, T. et al. The flavonoid chemistry of the genusTrillium . Bot Mag Tokyo 105, 555–563 (1992). https://doi.org/10.1007/BF02489430
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DOI: https://doi.org/10.1007/BF02489430