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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Preparative TLC of the bound flavonoids from stem of E. The acttivity of aqueous and acetone extracts of galls of Quercus infectoria as antibacterial agents. Spot of Rf value 0. Free and bound flavonoid extract exhibited good inhibitory activity against most of the pathogens.

Continued further exploration of plant-derived antimicrobials is need of the day. Plant-based antimicrobials have enormous therapeutic potential as they can serve the purpose of synthetic antimicrobials. Broth microdilution method was followed for determination of MIC values.

Table 6 Quantity and total activity of free and bound flavonoids of Euphorbia hirta. The filtrate was extracted in ethyl acetate and washed with distilled water to neutrality.

Different parts root, stem, leaf, and fruits of E. Antibacterial activity and toxicological potentials of crude ethanolic extracts of E.

Antibacterial activity of selected Seaweads from Kovalan south West coast of India. Open in a separate window. Extraction procedure Plant parts were separately shade dried and finely powdered using a mixer.


Footnotes Source of Support: Bound flavonoids extract of root showed best activity against C. Perspectives on New Crops and New Uses.

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Results of the present study reveals that all the eight tested plant extracts inhibit the growth of selected bacteria and fungi; indicating broad spectrum bioactive nature of selected plant. The MIC values were taken as the lowest concentration of the extracts in the well of the microtiter plate that showed no turbidity after incubation. Antimicrobial activities and toxicological potentials of crude ethanolic extracts of Euphorbia hirta. The medicinal plants of Mauritius.

Eight pathogenic microorganisms in total, including four bacteria, viz. Table 3 Antifungal activity of flavonoids of Euphorbia hirta by disc diffusion assay.

Two flavonoids quercetin and kaempferol were identified in the bound flavonoids of stem extract which showed activity against all the microorganisms. Screening of the plant under investigation E. Quantifying the bioactivity of the plant extracts during screening and bioassay guided fractionation. In some cases, even more than the standard and the best activity were observed for bound flavonoids of root with IZ MIC was determined for the plant extract showing antimicrobial activity against test pathogens.

Antibacterial activity of flavonoids of Euphorbia hirta by disc diffusion assay. Bonjar G, Farrokhi PR. Free flavonoids of stem showed bioactivity against P. Flavonoids of the seeds of Crotolaria retusa and Ctotolaria striata.


Antimicrobial activity of flavonoids free and bound of Euphorbia hirta L. An international multicenter study of antimicrobial consumption and resistance in Staphylococcus aureus isolates from animicrobial hospitals in 14 countries. In the present investigation lowest MIC value 0.

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

Larvicidal activity of some Euphorbiaceae plant extracts against Aedes aegypti and Culex quinquefasciatus Diptera: Three spots retention factor Rf 0. Pharmacological activities of Chelidonium majus L. Best antibacterial activity was observed against P. The aim of the study was to investigate the antimicrobial activity of extracts of E. A few other solvent system n-butanol: In all test microbes most susceptible organism in the investigation was C.

Niger J Nat Prod Med. New antimicrobials of plant origin. 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.

AI for each extract was calculated [ Table 2 ].

Antibiotic resistance has become a global concern. All eight extracts showed significant antimicrobial activity against test microbes. Geeta Singh and Padma Kumar.

Assessment of bioactivity of Indian medicinal plants using Brine Shrimp Artemia salina lethality assay.

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