Euphorbia hirta has been widely used by Tribal as traditional medicine in a treatment against infectious pathogens. E. hirtaLinn. is a perennial. diffusion method was used to determine the antibacterial activity on gram negative: Euphorbia hirta plant displayed an excellent antibacterial activity against K. The antibacterial and antifungal effect of Euphorbia hirta was evaluated against a panel of bacteria (Escherichia coli, Psueudomonas aeruginosa, Klebsiella.

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Ethyl ether free flavonoid and ethyl acetate fractions bound flavonoids thus obtained were dried in vaccuo and weighed.

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Selected extract bound flavonoid of stem which showed activity against all microorganisms tested was dissolved in ethyl acetate and applied on silica gel coated 0. Activkty is the volume at which the test extract can be diluted with the ability to kill the microorganisms.

Niger J Nat Prod Med. In the present investigation lowest MIC value 0. Total activity TA of extracts against each sensitive pathogen was also evaluated. Antibacterial activity antimicfobial flavonoids of Euphorbia hirta by disc diffusion assay.


Phytochemical study and screening for antimicrobial activity of flavonoids of Euphorbia hirta

Petroleum ether fractions were discarded as being rich in fatty substances, whereas ethyl ether and ethyl acetate fractions were analyzed for free and bound flavonoids, respectively. Best antibacterial activity was observed aftivity P.

Antibacterial activity of traditional Australian medicinal plants. Quantifying the bioactivity of the plant extracts during screening and bioassay guided fractionation.

Continued further exploration of plant-derived antimicrobials is need of the day. Antimicrobial potency of flavonoids free and bound of E.

Antimicrobial activity of flavonoids free and bound of Euphorbia hirta L. Each dilution was added to broth media of wells of microtiter plates. Antimicrobial activity of selected Peruvian medicinal plants. TA of free flavonoid extract of root was found to be the same for P.

Broth microdilution method was followed for determination of MIC values. Identification Selected extract bound flavonoid of stem which showed activity against all microorganisms tested was dissolved in ethyl acetate and applied on silica gel coated 0.

Larvicidal activity of some Euphorbiaceae plant extracts against Aedes aegypti and Culex quinquefasciatus Diptera: Antibacterial acitivity of crude extracts of Euphorbia hirta against some bacteria associated with enteric infections.

National Center for Biotechnology InformationU. Subramanian SS, Nagarjan S. Sterile filters paper discs Whatman no.


MIC was determined for the plant extract showing antimicrobial activity against test pathogens. Table 2 Antibacterial activity of flavonoids of Euphorbia hirta by disc diffusion assay. In some cases, even more than the standard and the best activity were observed for bound flavonoids of root with IZ Spot of Rf value 0.

Traditional medicine practice amongst the igede people antimicribial Nigeria. Assessment of bioactivity of Indian medicinal plants using Brine Shrimp Artemia salina lethality assay. A few other solvent system n-butanol: Authors are thankful to the Head of Department of Botany, University of Rajasthan for providing all necessary facilities for present work. Author information Article notes Copyright and License information Disclaimer. Flavonoids in genotypes of Trifolium subterraneum. Antimicrobial activities and toxicological potentials of crude ethanolic extracts of Euphorbia hirta.

Medicinal Plants in East Africa. Free flavonoids of stem showed bioactivity against P.

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