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  • Title: Rapid profiling of phenolic compounds of green and fermented Bergenia crassifolia L. leaves by UPLC-DAD-QqQ-MS and HPLC-DAD-ESI-QTOF-MS.
    Author: Salminen JP, Shikov AN, Karonen M, Pozharitskaya ON, Kim J, Makarov VG, Hiltunen R, Galambosi B.
    Journal: Nat Prod Res; 2014; 28(19):1530-3. PubMed ID: 24896228.
    Abstract:
    Bergenia crassifolia L., Saxifragaceae, is an evergreen perennial plant known in traditional medicine of Russia, Mongolia and China. Polyphenols are responsible for the number of pharmacological effects of Bergenia. UPLC-DAD-QqQ-MS and LC-DAD-ESI-QTOF-MS were used for the rapid profiling of phenolic compounds, mainly hydrolysable tannins. Green leaves consisted of 55% ellagitannins, 29% gallic acid derivatives and 11% flavonoids, with the remaining gallic acid, arbutin, bergenin and caffeoyl quinic acid. In fermented leaves, 31% of gallic acid was found, followed with 28% ellagitannins, 18% gallic acid derivatives and 18% flavonoids, with the remaining caffeoyl quinic acid, bergenin and arbutin. Tellimagrandin I, pedunculagin, caffeoyl quinic acid, monogalloyl quinic acid, 1-O-galloylglucose and 1,2,6-tri-O-galloylglucose were identified for the very first time.
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