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derris rufescens/antibiótico
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10 resultados
α-Glucosidase inhibitory, antibacterial, and antioxidant activities of natural substances from the wood of Derris reticulata Craib.
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Derris reticulata (Leguminosae-Papilionoideae) has been used for the treatment of diabetes in Thai folk remedies. The phytochemical investigation of the wood of D. reticulata revealed the isolation of two new pyranoflavanones, 4'-methoxydereticulatin (1) and
Assessment of antioxidant, antibacterial and anti-proliferative (lung cancer cell line A549) activities of green synthesized silver nanoparticles from Derris trifoliata.
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In this work, silver nanoparticles (AgNP-DTa) were prepared using an aqueous seed extract of D. trifoliata. The importance of the present piece of work is viewed specially with respect to ascertaining the potential of a widely distributed under-utilized mangrove associated plant, Derris
Photo-induced and phytomediated synthesis of silver nanoparticles using Derris trifoliata leaf extract and its larvicidal activity against Aedes aegypti.
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Due to the increased development of resistance of vectors against synthetic insecticides and chemical drugs, plant based insecticides serve as promising biocontrol agents for effective vector control. Green approach for the synthesis of nanoparticles has been attained using environmentally safe,
Antimicrobial activity of the Derris elliptica, Derris indica and Derris trifoliata extractives.
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Various parts of Derris elliptica, Derris indica and Derris trifoliata on fractionation with a number of solvents (petrol, dichloromethane, ethyl acetate, butanol and methanol) gave fractions which demonstrated a varied level of broad spectrum antibacterial activity. Good activity was exhibited by
Screening for bioactive secondary metabolites in Sri Lankan medicinal plants by microfractionation and targeted isolation of antimicrobial flavonoids from Derris scandens.
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A benzil and isoflavone derivatives from Derris scandens Benth.
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A benzil derivative: scandione, 2',2"-dihydroxy-4'-methoxy-4",5"-methylenedioxybenzil and two isoflavones: scandenal, 3'-formyl-4',5-dihydroxy-2",2"-dimethylchromeno-[6,7:5",6"]isoflavone and scanderone, 4',5-dihydroxy-3'-prenyl-2",2"-dimethylchromeno-[7,8:6",5"]isoflavone together with fifteen
Derrisin, a new rotenoid from Derris malaccensis plain and anti-Helicobacter pylori activity of its related constituents.
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A new rotenoid, derrisin (1), together with 10 known rotenoids (2-11) were isolated from the roots of Derris malaccensis Plain. The structure of 1 was elucidated by spectroscopic analysis. Nine of the isolated rotenoids (3-11) showed antibacterial activity against Helicobacter pylori.
Anticariogenic Activities of Derris reticulata Ethanolic Stem Extract Against Streptococcus mutans.
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OBJECTIVE
Streptococcus mutans is a dominant causative pathogen of dental caries, which is a major oral health problem affecting million people worldwide. Derris reticulata is a medicinal plant possessing antimicrobial activity against several Gram-positive pathogenic bacteria. None the less, its
Lupinifolin from Derris reticulata possesses bactericidal activity on Staphylococcus aureus by disrupting bacterial cell membrane.
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In this study, lupinifolin, a prenylated flavonoid, was isolated from Derris reticulata stem, identified by NMR spectra and confirmed with mass spectrometry. Lupinifolin was freshly prepared by solubilizing in 0.1 N NaOH and immediately diluted in Müller-Hinton broth for antibacterial testing. The
[Preliminary study of the antimicrobial activity of traditional plants against E. coli].
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The microbiological quality of drinking water is a major public health priority in developing countries. As an alternative proposal to chemical treatment of water, we have studied the antibacterial effectiveness against E. coli of plants traditionally used for antisepsis. Traditional plants were
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