Hypericaceae
Mostrando 1-12 de 16 artigos, teses e dissertações.
-
1. Flora da Reserva Ducke, Estado do Amazonas, Brasil: Hypericaceae
RESUMO São apresentadas as espécies de Hypericaceae registradas para a Reserva Ducke, Estado do Amazonas, incluindo chave de identificação, descrições, ilustrações, comentários sobre distribuição geográfica e hábitats. A família está representada na área por cinco espécies do gênero Vismia: Vismia cauliflora, V. cayennensis, V. guianensis,
Hoehnea. Publicado em: 28/06/2018
-
2. Antioxidant activity evaluation of dried herbal extracts: an electroanalytical approach
ABSTRACT The prevention of chronic and degenerative diseases, is a health concern deeply associated with oxidative stress. Such progressive phenomena can be avoided through exogenous antioxidant intake, which set up a reductant cascade, mopping up damaging free radicals. Medicinal herbs are commonly associated with high antioxidant potential, and hence their
Rev. bras. farmacogn.. Publicado em: 2018-06
-
3. Flora do Espírito Santo: Hypericaceae
Resumo O presente estudo florístico fornece chaves de identificação, descrições morfológicas, ilustrações e comentários para as espécies de Hypericaceae registradas no estado do Espírito Santo, Brasil. Foram encontradas uma espécie de Hypericum: H. brasiliense, comumente distribuída em áreas abertas das regiões Sudeste e Sul do Brasil, e seis
Rodriguésia. Publicado em: 2017-12
-
4. Rats treated with Hypericum perforatum during pregnancy generate offspring with behavioral changes in adulthood
Abstract Drugs used in the treatment of depression can cross the placenta giving rise to questions regarding the effects these drugs exert on the fetus. Hypericum perforatum L., Hypericaceae, is a natural product used to treat depression. However, information about its toxicity and the occurrence of alterations in the central nervous system development of th
Rev. bras. farmacogn.. Publicado em: 2017-06
-
5. Pharmacobotanical study of Hypericum thymopsis
ABSTRACT Hypericum thymopsis Boiss., Hypericaceae, is an endemic herb which generally grows at the calcareous steppe regions of Central Turkey. In flowering stage, the aerial parts of this species are used for wound-healing and sedation, and its infusions are used against stomach diseases and throat infections by local people. The aim of this study, to exami
Rev. bras. farmacogn.. Publicado em: 2017-04
-
6. Synergistic antifungal activity of the lipophilic fraction of Hypericum carinatum and fluconazole
ABSTRACT 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 of antifungals and the increase of infections caused by emerging species are leading to the search of new alternative treatments, the aim of this study was to
Rev. bras. farmacogn.. Publicado em: 2017-02
-
7. Flora das cangas da Serra dos Carajás, Pará, Brasil: Hypericaceae
Resumo Nas cangas da Serra dos Carajás ocorrem cinco espécies de Vismia, as quais podem ser reconhecidas pela morfologia foliar em combinação com a presença ou ausência de glândulas nas pétalas e a disposição das sépalas no fruto maduro. Vismia bemerguii, V. cayennensis, V. gracilis, V. cf. schultesii e V. tenuinervia ocorrem, geralmente, na trans
Rodriguésia. Publicado em: 2017
-
8. Uliginosin B, a natural phloroglucinol derivative with antidepressant-like activity, increases Na+,K+-ATPase activity in mice cerebral cortex
ABSTRACT Uliginosin B, a phloroglucinol isolated from Hypericum polyanthemum Klotzsch ex Reichardt, Hypericaceae, has antidepressant-like effect in the forced swimming test in rodents and inhibits monoamines neuronal reuptake without binding to their neuronal carriers. Studies showed the involvement of Na+,K+-ATPase brain activity in depressive disorders, as
Rev. bras. farmacogn.. Publicado em: 2016-10
-
9. G-protein activation revealed by [35S]-GTPγS binding assay is involved on the antidepressant-like effect of Hyperi cum caprifoliatum and Hypericum polyanthemumcyclohexane extracts
AbstractPrevious studies by us demonstrated the antidepressant-like and antinociceptive effects of lipophilic extracts and dimeric acyl-phloroglucinols from species of the genus Hypericum native to Southern Brazil. Uliginosin B and HC1 (an enriched phloroglucinol fraction from Hypericum caprifoliatum) are able to inhibit monoamine synaptosomal uptake without
Rev. bras. farmacogn.. Publicado em: 2015-08
-
10. Aspectos botânicos, químicos, farmacológicos e terapêuticos do Hypericum perforatum L.
Estima-se que aproximadamente 25% das drogas prescritas em todo o mundo são oriundas de espécies vegetais. Dentre as plantas com alto potencial medicinal, se destaca o Hypericum perforatum L. (HP), planta herbácea perene, pertencente à família Hypericaceae. Extratos orgânicos e aquosos de HP têm sido utilizados na medicina popular e em testes pré-cl�
Rev. bras. plantas med.. Publicado em: 2014-09
-
11. Changes in the content of bioactive substances among Hypericum montbretii populations from Turkey
In the present study, we investigated the variation in the content of seventeen secondary metabolites among Hypericum montbretii Spach., Hypericaceae, populations from five different growing zones in Turkey for the first time.The plants were collected at full flowering, and after they were dried at room temperature, they were assayed for chemical contents by
Rev. bras. farmacogn.. Publicado em: 2014-01
-
12. Antiproliferative activity of the hexanic extract and phloroglucinols from Hypericum brasiliense
Natural products are regarded as major and important sources of molecules used in chemotherapy. Hypericum brasiliense Choisy, Hypericaceae, is an annual bush, native in the southern and southeastern Brazil. This species has been used in Brazilian folk medicine the anti-spasmodic and for the treatment of infectious diseases. H. brasiliense is chemically compo
Rev. bras. farmacogn.. Publicado em: 2013-10