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  • Title: A new prenylated dihydrochalcone from the leaves of Artocarpus lowii.
    Author: Jamil S, Sirat HM, Jantan I, Aimi N, Kitajima M.
    Journal: J Nat Med; 2008 Jul; 62(3):321-4. PubMed ID: 18404311.
    Abstract:
    A new prenylated dihydrochalcone, 2',4'-dihydroxy-4-methoxy-3'-prenyldihydrochalcone (1), along with two known compounds, 2',4',4-trihydroxy-3'-prenylchalcone (2) and 2',4-dihydroxy-3',4'-(2,2-dimethylchromene)chalcone (3) were isolated from the leaves of Artocarpus lowii. The structures of 1-3 were elucidated by spectroscopic methods and by comparison with data reported in the literature. Compounds 1-3 showed strong free radical scavenging activity towards 2,2-diphenyl-1-picrylhydrazyl (DPPH) measured by electron spin resonance (ESR) spectrometry.
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