Hydroalcoholic Extract
Mostrando 1-12 de 118 artigos, teses e dissertações.
-
1. Evaluation of Antibacterial Activity, Chromatographic Analysis for Rutin and Quercetin Quantification Using HPLC-UV-Vis from the Hydro-Alcoholic Extract Obtained from Bidens pilosa Linné
Novel and miniaturized technique, a dynamic sonication-assisted solvent extraction before the analysis by high performance liquid chromatography-ultraviolet visible (HPLC-UV-Vis) for isolation, identification and quantification of rutin and quercetin metabolites in alcoholic extracts from Bidens pilosa Linné, was developed. The results showed that the flowe
J. Braz. Chem. Soc.. Publicado em: 2021-03
-
2. Toxicological evaluation of Lafoensia pacari A. St.-Hil. (Lythraceae) stem bark extract: Acute and subchronic studies in mice
This study evaluated the safety of Lafoensia pacari A. St.-Hil. (Lythraceae) stem bark hydroalcoholic extract (LPE) through acute and subchronic toxicological assessments in mice. In the acute toxicity evaluation, a single 2000 mg/kg oral dose of LPE was administered to mice and clinical observations were conducted for 14 days. For subchronic toxicity, LPE d
Braz. J. Pharm. Sci.. Publicado em: 20/12/2019
-
3. Antiproliferative Effect of Urera baccifera Leaves Against Ovarian Carcinoma Cell Line (OVCAR-3)
Abstract Natural products, especially phytochemicals, have been extensively studies and have exhibited important antiproliferative effects. The American native species Urera baccifera (L.) Gaudich. ex Wedd. (Urticaceae) is widely distributed in Brazil, where it is known as urtiga-vermelha or urtigão. The leaves are popularly used as anti-inflammatory, antir
Braz. arch. biol. technol.. Publicado em: 24/10/2019
-
4. Cardanols detected in non-polar propolis extracts from Scaptotrigona aff. postica (Hymenoptera, Apidae, Meliponini)
Resumo A própolis elaborada pelas abelhas sem ferrão (Apidae, Meliponini) é um material resinoso extraído de brotos, folhas e exsudatos de plantas, que são misturados com secreções salivares, cera e solo. A espécie Scaptotrigona aff. postica (Latreille, 1807), (Hymenoptera, Apidae, Meliponini), popularmente conhecida como “tubi”, no estado do Mar
Braz. J. Food Technol.. Publicado em: 17/10/2019
-
5. Pharmacological evaluation of the hydro-alcoholic extract of Campomanesia phaea fruits in rats
Resumo Campomanesia phaea (Myrtaceae), popularmente conhecida como cambuci, é uma das várias espécies de plantas que produzem frutos comestíveis amplamente utilizados na nutrição humana. Apesar de seu consumo e potencial econômico, há poucas pesquisas científicas sobre a Campomanesia, especialmente aquelas relacionadas aos seus benefícios terapêut
Braz. J. Biol.. Publicado em: 07/10/2019
-
6. Análise dos efeitos da suplementação dietética com Camu-Camu comparada à gastrectomia vertical no controle de peso de ratos Wistar.
RESUMO Objetivo: comparar os efeitos do extrato hidroalcoólico da casca do Camu-Camu, uma planta frutífera pertencente à família Myrtaceae amplamente distribuída na bacia amazônica, com os da gastrectomia vertical, sobre o peso e a glicemia de ratos Wistar. Métodos: vinte e quatro ratos Wistar foram submetidos à indução de obesidade através de d
Rev. Col. Bras. Cir.. Publicado em: 09/09/2019
-
7. Photoprotective activity and increase of SPF in sunscreen formulation using lyophilized red propolis extracts from Alagoas
ABSTRACT The excessive sun exposure, coupled with lack of sun protection represents one of the biggest risks to the occurrence of skin cancer and photoaging. Recent strategies for photoprotection have included the incorporation of natural antioxidant and anti-inflammatory compounds, into sunscreens, and the oral administration of natural antioxidant extracts
Rev. bras. farmacogn.. Publicado em: 26/08/2019
-
8. EXTRATO DE HIBISCO-COLIBRI COMO INIBIDOR VERDE DE CORROSÃO DO AÇO-CARBONO EM ÁCIDO SULFÚRICO
For this work, a hydroalcoholic extract was prepared from the aerial parts of the Malvaviscus arboreus (Malvaceae) species, popularly known as hibisco-colibri in Brazil; and then, investigated by infrared and NMR spectroscopy. A class of special metabolites containing a porphyrin skeleton and pyrrole units was determined by typical absorption spectra, mainly
Quím. Nova. Publicado em: 26/08/2019
-
9. Antileishmanial activity and chemical composition from Brazilian geopropolis produced by stingless bee Melipona fasciculata
ABSTRACT Geopropolis is produced by some stingless bee species such as Melipona fasciculata and consists of a mixture of plant resins, salivary secretions of the bee, wax, and soil. This study evaluated the antileishmanial activity in vitro, cytotoxicity and chemical composition of geopropolis produced by M. fasciculata in the savannah region of Maranhão, B
Rev. bras. farmacogn.. Publicado em: 26/08/2019
-
10. Determination of phenolic profile by HPLC–ESI-MS/MS, antioxidant activity, in vitro cytotoxicity and anti-herpetic activity of propolis from the Brazilian native bee Melipona quadrifasciata
ABSTRACT Propolis is a rich source of bioactive molecules made by bees by collecting an infinite variety of secondary metabolites from plants. This study determined the chromatographic and mass spectrometry profile along with the biological activity of propolis produced by the native Brazilian bee Melipona quadrifasciata. A hydroalcoholic crude extract was p
Rev. bras. farmacogn.. Publicado em: 26/08/2019
-
11. Chronic treatment with hydroalcoholic extract of Plathymenia reticulata promotes islet hyperplasia and improves glycemic control in diabetic rats
RESUMO Objetivo: Avaliar o efeito anti-hiperglicêmico do extrato hidroalcoólico de Plathymenia reticulata, alterações no peso, lipídeos e efeito sobre o pâncreas. Métodos: O diabetes foi induzido pela administração de estreptozotocina 65mg/kg, em 75 ratos Wistar adultos machos, divididos em 8 grupos diferentes: ratos diabéticos e controle + água
Einstein (São Paulo). Publicado em: 01/07/2019
-
12. In-vitro evaluation of Nigella sativa and Punica granatum effect on protoscolices of hydatid cysts
Resumo Os cistos hidáticos (equinococose cística, CE) são comumente encontrados no fígado e nos pulmões dos hospedeiros afetados. A abordagem do tratamento geralmente é cirúrgica, e algumas drogas são administradas em conjunto antes da cirurgia para matar protoscólices e evitar choque anafilático devido ao vazamento de fluido hidático no peritôni
Rev. Bras. Parasitol. Vet.. Publicado em: 13/06/2019