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A Novel Phenylpropenoyl Sulfonic Acid and a New Chlorophyll from the Leaves of Petasites formosanus KITAMURA
2004
Chemical and pharmaceutical bulletin
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A novel phenylpropenoyl sulfonic acid, petasiformin-A (1), and a new chlorophyll, petasiphyll-A (2), were isolated from the leaves of Petasites formosanus KITAMURA (Compositae). Their structures were established by spectral and chemical transformation methods. Petasiformin-A (1) showed the significant antioxidative activity in DPPH radical scavenging assay.
doi:10.1248/cpb.52.1151
pmid:15340211
fatcat:csnlveaolrbldo36vys3dqptd4