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  • Title: A new hydroxychavicol dimer from the roots of Piper betle.
    Author: Lin CF, Hwang TL, Chien CC, Tu HY, Lay HL.
    Journal: Molecules; 2013 Feb 26; 18(3):2563-70. PubMed ID: 23442932.
    Abstract:
    A new hydroxychavicol dimer, 2-(g'-hydroxychavicol)-hydroxychavicol (1), was isolated from the roots of Piper betle Linn. along with five known compounds, hydroxychavicol (2), aristololactam A II (3), aristololactam B II (4), piperolactam A (5) and cepharadione A (6). The structures of these isolated compounds were elucidated by spectroscopic methods. Compounds 1 and 2 exhibited inhibitory effects on the generation of superoxide anion and the release of elastase by human neutrophils.
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