Resveratrol
Mostrando 13-24 de 140 artigos, teses e dissertações.
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13. Qualitative and quantitative analysis of the phenolic content of Connarus var. angustifolius, Cecropia obtusa, Cecropia palmata and Mansoa alliacea based on HPLC-DAD and UHPLC-ESI-MS/MS
ABSTRACT The phenolic content of the medicinal species Connarus perrottetti var. angustifolius Radlk., Connaraceae, Cecropia obtuse Trécul, Cecropia palmata Willd., Urticaceae; and Mansoa alliacea (Lam.) A.H.Gentry, Bignoniaceae, collected in three different years was evaluated. Plant infusions and hydroalcoholic, butanol and ethyl acetate extracts were ana
Rev. bras. farmacogn.. Publicado em: 2017-08
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14. Cytotoxicity and genotoxicity of stilbene derivatives in CHO-K1 and HepG2 cell lines
Abstract The cytotoxicity and genotoxicity of the stilbenes (E)-methyl-4-(3-5-dimethoxystyryl)benzoate (ester), (E)-4-(3-5-dimethoxystyryl)aniline (amino), (Z)-1,3-dimethoxy-5-(4-methoxystyryl)benzene (cis-TMS) and (E)-1,3-dimethoxy-5-(4-methoxystyryl)benzene (trans-TMS) were investigated in this work. Structural modifications of resveratrol, a naturally occ
Genet. Mol. Biol.. Publicado em: 10/07/2017
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15. Aqueous extract of Psidium guajava leaves: phenolic compounds and inhibitory potential on digestive enzymes
ABSTRACT Leaves of Psidium guajava L. (guava) have been widely used in the popular way for prevention and treatment of various diseases. Thus, the objective of this study was to evaluate the inhibitory potential of leaves aqueous extract from three cultivars of P. guajava (Pedro Sato, Paluma and Século XXI) on α-amylase, α-glycosidase, lipase, and trypsin
An. Acad. Bras. Ciênc.. Publicado em: 29/06/2017
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16. Validação de método cromatográfico para análises de rotina de trans-resveratrol e quercetina em vinhos tintos
Resumo: O objetivo deste trabalho foi validar um método rápido, com baixo consumo de solventes, para a análise de trans-resveratrol e quercetina em vinhos tintos. Os vinhos foram elaborados por método clássico, a partir das cultivares de uva (Vitis vinifera) Cabernet Franc, Cabernet Sauvignon, Malbec, Merlot, Petit Verdot, Pinot Noir, Ruby Cabernet, Syr
Pesq. agropec. bras.. Publicado em: 2017-05
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17. Chemical Constituents of Psychotria nemorosa Gardner and Antinociceptive Activity
Through dereplication strategies using gas chromatography-mass spectrometry (GC-MS) and ultra fast liquid chromatography-tandem mass spectrometry (UFLC-MS/MS), the ethanol extract from Psycotria nemorosa leaves (Rubiaceae) showed to be composed of: cinnamic acid, dihydroactinidiolide, 4-hydroxy-β-ionone, phytol, isophytol, 4,8,12,16-tetramethylheptadecan-4-
J. Braz. Chem. Soc.. Publicado em: 2017-05
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18. Lycopene and resveratrol pretreatment did not interfere with the liver of hepatectomized rats
Abstract Purpose: To investigate the effects of lycopene and resveratrol pretreatment on hepatic hyperplasia in partially hepatectomized rats. Methods: The lycopene group and the resveratrol group received 40 mg/kg/day of lycopene or resveratrol, respectively (dissolved in olive oil or in saline solution, respectively) and administered via a gastric tube f
Acta Cir. Bras.. Publicado em: 2017-03
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19. Tratamento com Resveratrol Normaliza a Função Endotelial e a Pressão Arterial em Ratas Ovariectomizadas
Resumo Fundamentos: Apesar de se saber que o resveratrol apresenta efeitos sobre a pressão arterial e os vasos sanguíneos, e que os fitoestrógenos podem melhorar o relaxamento/vasodilatação dependente do endotélio, não há relatos do efeito direto do resveratrol sobre a pressão arterial e a função endotelial em animais com deficiência de estróge
Arq. Bras. Cardiol.. Publicado em: 2017-02
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20. SUPLEMENTAÇÃO DE BAIXA DOSE DE RESVERATROL NA VARIABILIDADE DA FREQUÊNCIA CARDÍACA EM HIPERTENSOS: ENSAIO CLINICO CONTROLADO E DUPLO CEGO
OBJETIVO: A hipertensão arterial diminui a variabilidade da frequência cardíaca (VFC). Resveratrol têm sido estudado como tendo potencial para o tratamento da hipertensão. Foram avaliados os efeitos de baixas doses de resveratrol na variabilidade da frequência cardíaca em voluntários hipertensos. MÉTODO: Vinte e um voluntários hipertensos, de amb
MedicalExpress (São Paulo, online). Publicado em: 2016-12
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21. Synthesis, Antitubercular and Leishmanicidal Evaluation of Resveratrol Analogues
In this paper we continue our efforts in the search for new Schiff bases as resveratrol analogues as promising antitubercular and antileishmanial agents. Compounds were evaluated in vitro against Mycobacterium tuberculosis and Leishmania species. Compounds showed varying activity against promastigotes of all Leishmania species tested (concentration leading t
J. Braz. Chem. Soc.. Publicado em: 2016-12
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22. Effect of Resveratrol on periodontal pathogens during experimental periodontitis in rats
Abstract The objective of this study was to investigate the antibacterial effect of resveratrol against putative periodontal pathogens during the progression of experimental periodontitis in rats. Periodontitis was induced in rats in one of the first molars chosen to receive a ligature. Animals were assigned to one of two groups: daily administration of the
Braz. oral res.. Publicado em: 28/11/2016
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23. Altas concentrações de resveratrol ou quercetina reduzem o índice de oscilação do sêmen congelado caprino
RESUMO O objetivo deste estudo foi avaliar o efeito de diferentes concentrações de transresveratrol ou quercetina sobre a capacidade dos espermatozoides caprinos de resistirem à congelação. Seis pools de sêmen, obtidos de seis reprodutores caprinos, foram processados com diferentes concentrações de resveratrol ou quercetina (Experimento 1: 0, 15, 25,
Arq. Bras. Med. Vet. Zootec.. Publicado em: 2016-10
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24. Validated high performance thin layer chromatography method for the quantification of bioactive marker compounds in Draksharishta, an ayurvedic polyherbal formulation
ABSTRACT Draksharishta is an ayurvedic polyherbal formulation with Draksha (Vitis vinifera L., Vitaceae) as chief ingredient prescribed for digestive impairment, respiratory disorders and weakness. These herbal medicines containing biologically active compounds play a significant role. Therefore it is necessary to carry out the chemical standardization of bi
Rev. bras. farmacogn.. Publicado em: 2016-10