Preliminary Phytochemical Screening Analysis and Therapeutic Potential of Tecoma stans (L.)

摘要

Tecoma stans is a tropical flowering plant which is used in herbal medicine treatment for diabetes, digestive problems etc. Different extracts of the leaves of Tecoma stans were evaluated as antibacterial potential against the growth of some human bacterial strains using the disc diffusion and minimum inhibitory concentration (MIC) method. The methanol and aqueous extracts of Tecoma stans showed significant effect against the tested bacteria Escherichia coli, Serratia marcescens, Bacillus subtilis, Micrococcus luteus, Staphylococcus aureus using a standard as Amoxicillin (1g/ml) compared leaf extract preliminary phytochemical analysis revealed the presence of saponins, alkaloids, tannin, flavonoids, steroids, phenolic compound and glycoside in all the methanol extract and tannins, steroids and glycoside are absence in aqueous extract. The present finding provides scientific evidence to support the updated information on its phytochemical and pharmacological activity and its traditional uses.