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Antifungal and antichemotactic activities and quantification of phenolic compounds in lipophilic extracts of Hypericum spp. native to South Brazil
Abstract Plants of the Hypericum genus are a notable source of new therapeutic agents including antimicrobial and anti-inflammatory. This study reports the antifungal and antichemotactic activitiesExpand
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Dimeric acylphloroglucinols in Hypericum species from sections Brathys and Trigynobrathys
Hypericum is a prolific source of acylphloroglucinol derivatives. Unlike the monomeric polyisoprenylated acylphloroglucinols hyperforin and adhyperforin, which are the main phloroglucinols inExpand
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Leishmanicidal activity of lipophilic extracts of some Hypericum species.
UNLABELLED Leishmaniasis has emerged as the third most prevalent parasite-borne disease worldwide after malaria and filariasis, with about 350 million people at risk of infection. AntileishmanialExpand
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Larvicidal activity of lipophilic extract of Hypericum carinatum (Clusiaceae) against Aedes aegypti (Diptera: Culicidae) and benzophenones determination
In this study, the larvicidal activity of an enriched fraction of the major lipophilic phenolic compounds from Hypericum carinatum Griseb. (Clusiaceae) was investigated against larvae of AedesExpand
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Larvicidal and growth-inhibiting activities of extract and benzopyrans from Hypericum polyanthemum (Guttiferae) against Aedes aegypti (Diptera: Culicidae)
Abstract Aedes aegypti is a mosquito responsible for transmitting dengue and urban yellow fever viruses with an estimated 3.5 billion people at risk of infection. For this reason, control of larvaeExpand
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Supercritical extraction of phloroglucinol and benzophenone derivatives from Hypericum carinatum: quantification and mathematical modeling.
The aerial parts of Hypericum carinatum (Guttiferae) were extracted with supercritical carbon dioxide under constant temperature (40, 50 or 60°C) and gradual pressure increase (90, 120, 150 and 200Expand
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Determination of phenolic compounds in flowers of Hypericum species native to South Brazil and Peruvian Páramos
The flowers constitute one of the main sites of accumulation of phenolic compounds in plants of the Hypericum genus. In addition to their important pharmacological activities, some metabolites foundExpand
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Chromenes from Ageratum conyzoides: Steam distillation, supercritical extraction, and mathematical modeling
ABSTRACT The chromenes extraction processes from Ageratum conyzoides by steam distillation and supercritical fluid extraction (SFE) were studied. Essential oil was extracted by saturated steam at 1.0Expand
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Synergistic antifungal activity of the lipophilic fraction of Hypericum carinatum and fluconazole
Hypericum species, Hypericaceae, are recognized as a source of therapeutical agents. Purified fractions and isolated compounds have been shown antimicrobial activity. As the indiscriminate use ofExpand
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Physicochemical and antimicrobial properties of copaiba oil: implications on product quality control.
BACKGROUND The copaiba oil is a common natural product used in cosmetic industry and as a nutraceutical product. However, lack of quality control and scarce knowledge about its antimicrobial activityExpand
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