Abstract
The aim of the present investigation was to elucidate the phytochemical characterisation, antimicrobial and antioxidant efficacies of methanol extracts of leaf, stem, and root parts of S. wightianus. The phytochemical characterisation by GC-MS analysis revealed the presence of different phytocompounds such as Lupenone (38.02% in leave extract), Leupeyl acetate (33.43% in root extract), 24- Noursa −3, 12- diene (27.16% stem extract). S. wightianus methanol extracts demonstrate IC50, 8.52 µg/ml, 7.72 µg/ml and 9.08 µg/ml using DPPH, FRAP and MCA scavenging assay, respectively. The antibacterial activity of different methanol extracts was evaluated against four microorganisms with a mean zone diameter of inhibition ranging from 13 to 19 mm. For quantitative phytochemical analysis, the highest Total Phenolic Content (TPC) and Total Flavonol Content (TFC-2) were found for steam methanol extract (321.7 mg GAE/g of dry extract, 162.4 mg QE/g of dry extract respectively).
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