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In this work, we found that the extract of leaves of a famous Traditional Chinese Medicine TiepiShihu (Dendrobium officinale Kimura et Migo) contained high content of flavonoids ranging from 7.66mg·g−1 to 9.50mg·g−1 dried weight and possed potent antioxidant activities. There was a strong positive correlation between DPPH radical scavenging rate and total flavonoids content. Furthermore, the antioxidant...
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