Anti-bacterial, Anti-oxidant and other Phytochemical Properties of Datura innoxia leaves
2022
Ruby George | Priti Mathur
To investigate the phytochemicals present in the leaves of Datura innoxia and to assess its antioxidant and antibacterial properties in different organic solvents, leaf extracts were exposed to different standardized techniques. Folin–Ciocalteu method and Aluminium chloride method proved that the ethanolic extract has maximum phenolic content (72.35± 0.52 mg GAE/g) and flavonoid content (29.21± 1.25 mg EQ/g) respectively. The highest DPPH radical scavenging activity with IC50 value 91.398 µg/ml also was in the ethanolic extract as compared to methanol, hexane and chloroform extracts. Free radical scavenging and antioxidant property of extracts were observed in the sequence of ethanol>methanol>hexane>chloroform. There was a strong correlation between antioxidant activity with total phenolic (DPPH, R2 = 0.41; PPM, R2 = 0.25) and total flavonoid contents (DPPH, R2 = 0.39; PPM, R2=0.23). Ethanolic and methanolic extracts showed antibacterial potential against the tested pathogenic strains; Staphylococcus aureus and Escherichia coli with a zone of inhibition ranging between 16± 0.9 to 27.5±0.8 mm. This study has proved that ethanolic leaf extract of D. innoxia showed bacterial inhibition and antioxidant activities and this herb can be assessed as a potential therapeutic species.
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