ANTIOXIDANT ACTIVITYIN SOUTHERN BRAZIL HYPERICUM SPECIES
نویسندگان
چکیده
منابع مشابه
A new species of Dendrocerus (Hymenoptera, Megaspilidae) from southern Brazil
A new species of the megaspiline genus Dendrocerus Ratzeburg is described and figured. Dendrocerus riograndensis sp. n., is known from a series of males from the central region of Rio Grande do Sul, Brazil, and were captured with Malaise traps from an agricultural tobacco field.
متن کاملThree new species of Cladonia (Cladoniaceae, Ascomycota) from Southern Brazil.
Cladonia maculata, C. paranaensis and C. quiririensis are described as new to science. These species were found between the altitudes of 900 to 1887 meters on the Serra do Mar Mountain in Southern Brazil.
متن کاملAntifungal activity of some Brazilian Hypericum species.
Crude methanolic extracts and fractions from the aerial parts of seven species of Hypericum (H. caprifoliatum Cham. and Schltdl., H. carinatum Griseb., H. connatum Lam., H. ternum A. St.-Hil., H. myrianthum Cham. and Schltdl., H. piriai Arechav. and H. polyanthemum Klotzsch ex Reichardt) growing in southern Brazil were analyzed for their in vitro antifungal activity against a panel of standardi...
متن کاملAntimicrobial activity of some Hypericum species.
The crude methanolic extracts of six species of Hypericum [H. caprifoliatum Cham. & Schlecht., H. carinatum Griseb., H. connatum Lam., H. ternum A. St. Hil., H. myrianthum Cham. & Schlecht. and H. polyanthemum Klotzsch ex Reichardt] growing in southern Brazil were analyzed for antimicrobial activity against several microorganisms (bacteria and fungi). The most active plant was H. caprifoliatum,...
متن کاملHypericin and pseudohypericin in some Hypericum species.
Hypericin and pseudohypericin were found in 27 of the 36 evaluated species from Hypericum L., belonging to 17 sections of the genus. Pseudohypericin is reported by us in 15 taxa for the first time. Most of the species contained both components and the amount of pseudohypericin usually exceeded that of hypericin. In H. hirsutum and H. empetrifolium only hypericin was found, whereas H. formosissi...
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ژورنال
عنوان ژورنال: Journal of the Chilean Chemical Society
سال: 2008
ISSN: 0717-9707
DOI: 10.4067/s0717-97072008000400004