Phytochemical screening and antimicrobial activity of Solanum lycopersicum / Siti Shahirah Abd Kudus

Solanum lycopersicum also known as tomato are red-cherry species that vary based on their shape, colour intensity and how this species grow. The aim of this study was to determine phytochemicals, the total phenolics content and antimicrobial activity of S. lycopersicum. Methanol and hexane were the two solvents that used in the extraction of S. lycopersicum. Total phenolics content of methanolic extract was evaluated by using Folin-Ciocalteu reagent method. The methanol extract and hexane extract were used in antimicrobial activity against Gram-positive S. aureus and Gram-negative P. aeruginosa. The presence of alkaloids, tannins, flavonoids, saponins and terpenoids were found in plant tested. The total phenolic content of methanolic extract that were obtained was 1.67 ± 0.01 mg GAE/g. The result indicates that methanolic extract of S. lycopersicum potentially inhibited the growth of S. aureus and P. aeruginosa.