Preliminary analysis of secondary metabolites and antibacterial activity of Zingiber neesanam Graham

Abstract

The present study was carried out on the plant Zingiber neesanum comes under the family Zingiberaceae. It is an aromatic stimulant and also medicinally important plant species. Various parameters such as phytochemical profiles of the entire parts of the plant by different solvent extracts were studied and the presence of important chemicals like alkaloids, flavonoids and terpenoids were identified. Methanolic extract of rhizome results the strong presence of alkaloid, flavonoids, terpenoids, sterol and phenols. Antibacterial activity of rhizome was studied by different bacterial strains. The rhizome extracts of chloroform and ethyl acetate were showed the effective antibacterial activity against the pathogenic bacteria.