Phenolic compounds in Hypericum species from the Trigynobrathys section

Phenolic compounds of thirteen Hypericum species growing in South Brazil were investigated aiming to evaluate the usefulness of their distribution as a taxonomic character. The HPLC analysis of the methanolic fractions displayed similar chemical profile and significant contents variation among the i...

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Bibliographic Details
Published in:Biochemical systematics and ecology 2010-04, Vol.38 (2), p.224-228
Main Authors: Nunes, Jéssica de Matos, Pinto, Paula Santos, Bordignon, Sérgio Augusto de Loreto, Rech, Sandra Beatriz, von Poser, Gilsane Lino
Format: Article
Language:English
Subjects:
Chlorogenic acid
Flavonoids
Guaijaverin
High-performance liquid chromatography
Hypericum
Hyperoside
Isoquercitrin
Quercitrin
Trigynobrathys
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Summary:Phenolic compounds of thirteen Hypericum species growing in South Brazil were investigated aiming to evaluate the usefulness of their distribution as a taxonomic character. The HPLC analysis of the methanolic fractions displayed similar chemical profile and significant contents variation among the investigated taxa, being chlorogenic acid the main metabolite quantified in most of the species (ranging from traces to 16.65 mg% of extract), followed by hyperoside (between 0.27 and 11.48 mg%), quercitrin (0.09 and 13.34 mg%), guaijaverin (0.14 and 2.91 mg%) and isoquercitrin (0.14 and 6.97 mg%), whereas rutin and the xanthone mangiferin were not detected.
ISSN:0305-1978
1873-2925
DOI:10.1016/j.bse.2010.01.010