Phenolic Constituents of Hypericum Flowers

Species of Hypericum accumulate phenolic compounds with the phloroglucinol substitution pattern, and there are many reports of such substances isolated from the aerial parts of the plants. In this study, flowers of plants grown in south Brazil were analyzed by means of HPLC, verifying the presence o...

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Bibliographic Details
Published inNatural product communications Vol. 3; no. 2
Main Authors Nör, Carolina, Bernardi, Ana Paula Machado, Haas, Juliana Schulte, Schripsema, Jan, Rech, Sandra Beatriz, Von Poser, Gilsane Lino
Format Journal Article
LanguageEnglish
Published Los Angeles, CA SAGE Publications 01.02.2008
Subjects
benzopyrans
flavonoids
hypericin
Hypericum
Guttiferae
phloroglucinol derivatives
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Summary:Species of Hypericum accumulate phenolic compounds with the phloroglucinol substitution pattern, and there are many reports of such substances isolated from the aerial parts of the plants. In this study, flowers of plants grown in south Brazil were analyzed by means of HPLC, verifying the presence of benzopyrans in H. polyanthemum and dimeric phloroglucinol derivatives in H. caprifoliatum, H. connatum, H. myrianthum and H. polyanthemum. All flowers presented flavonoids, mainly quercetin derivatives, whereas hypericin and analogues were not detected.
ISSN:1934-578X
1555-9475
DOI:10.1177/1934578X0800300227