Aegle marmelos is a deciduous tree with trifoliate leave commonly found in the Indian subcontinent. The present study is to diagnose the phytochemicals physiochemical, qualitative and quantitative estimation. Total phenolic content was recorded at 53.52±3.25 µg Gallic acid equivalent (GAE) /mg of plant extract, total tannin content was observed at 6.4±1.02 μg GAE/mg and total flavonoid content was recorded at 37.4±2.65 μg Quercetin equivalent/mg. The study also comprised the Anti-inflammatory and anti-oxidant activity of plant leaves. Anti-inflammatory activity was examined through the HRBC method and compared with the standard drug diclofenac sodium. Ethanolic extract of leaves shows significant anti-inflammatory activity and provides 61.04±2.89 % of protection against hemolysis at 2000µg/ml of leave extract whereas at the same concentration diclofenac sodium provides only 54.55±2.35 % protection against hemolysis. The antioxidant potential of plant extract examines through DPPH free radical scavenging method. Leave extract showed better antioxidant activity in comparison to ascorbic acid. IC 50 of plant extract is 48.99 ±1.96 % which is also better than the value of IC 50 of ascorbic acid which was recorded at 50.39±2.05. The study showed that leaves extract of the plant has significant potential for the treatment of oxidative stress and inflammation.

In India, a wide variety of medicinal plants are reported and utilized by people for the treatment of various diseases for a long time. The present study deals with quantitative analysis of phytochemicals like total phenols, tannins, and flavonoids as well as in-vitro antioxidant and anti-inflammatory activity of ethanolic extract of Ocimum basilicum L. The values of total phenols, tannins, and flavonoids were found to be 5.02±0.06 µg Gallic acid equivalent/mg, 7.80±0.05 µg Gallic acid equivalent/mg, and 6.00±0.06 µg quercetin equivalent/mg alcoholic extract respectively. The antioxidant activity was measured by DPPH (2, 2-diphenyl-1-picryl-hydrazyl-hydrate) assay. The highest antioxidant activity of plant extract was observed at 60 µg/ml and maximum inhibition was recorded at 55.12%. The IC50 value of plant extract was found to be 24.81 µg/ml. In-vitro anti-inflammatory activity was measured by the human red blood cell (HRBC) membrane stabilization method. The hypo tonicity-induced HRBC were exposed to different concentrations of ethanolic extract of Ocimum basilicum L. and HRBC membrane lysis and membrane stabilization percentages were calculated against diclofenac sodium. The ethanolic extract exhibited significant HRBC membrane stabilization compared to diclofenac sodium; 98±0.57% membrane stabilization was observed at a dose of 1000 µg/ml.

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