<![CDATA[The study was carried out to determine the phytochemical content, antioxidant, antibacterial and antidiarrheal activity of methanolic extract of whole plant of Limnophila repens. The total phenolic, flavonoids, flavonols, tannins, β-carotene, lycopene, chlorophyll-α, and chlorophyll-β contents were found to be 65.21 ± 0.004 mg GAE/g , 44.83 ± 0.003 mg QE/g , 17.21 ± 0.002 mg QE/g, 56.27 ± 0.002 mg GAE/g , 1.32 ± 0.01 µg/g, 0.93 ± 0.012 µg/g, 11.85 ± 0.04 mg/g and 9.69 ± 0.037 mg/g, respectively. In vitro antioxidant potential of L. repens was assessed using various methods like by 2,2-diphenyl-1 picrylhydrazyl (DPPH), hydroxyl radical scavenging assay, reducing power assay, FRAP assay and thiobarbituric acid assay. IC50 values of the aforesaid tests were found to be 2.33 mg/ml, 442.31 µg/ml, 374 µg/ml, 55.09 µg/ml, and 4.30 mg/ml, respectively. The total antioxidant capacity was observed 140.7 ± 0.004 mg/g AAE. Aantibacterial activity of the methanolic extracts of whole plant of L. repens was evaluated using the disk diffusion method. The plant extract didn’t show any activity against Gram-positive (except Staphylococcus aureus) and Gram-negative bacteria. Finally, castor oil induced method was conducted to investigate the antidiarrheal activity of L. repens. At the dose of 400 mg/kg, the plant extract (35.62% inhibition of diarrhea) exhibited stronger effect compared to standard drug, loperamide (27.4% inhibition of diarrhea).]]>
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