Abstract
Background: From an age-old period bamboo has been an important ingredient of traditional Asian medicines ingeneral and Chinese medicine in particular. Today people are searching over the use of herbal medicine instead of thesynthetic drugs. Objective: The aim of this study was to evaluate phytochemical, biochemical constituent and invitro antioxidant activity of aqueous methanolic leaf extract of Bambusa tulda. Bambusa tulda (Poaceae) is widelydistributed in North Eastern parts of the Country. Methodology: Phytochemical constituents of leaves were extractedby hot extraction method. Aqueous methanolic extract showed that the presence of phenolic compound, alkaloids,saponnins, flavonoids, steroids, anthraquinones, glycosides. The total phenolic, flavonoid and flavonol content in theaqueous methanolic extract were determined by calorimetric assay as well as their antioxidant activity throughvarious chemical assays like DPPH radicals, hydrogen peroxide scavenging and reducing power assay. Results: Thetotal phenolic, flavonoids and flavonol content in aqueous methanolic extract were 17.494±0.01 mg GAE/g,176.35±0.03 mg QE /g and 96.2±0.01 mg QE /g respectively. Conclusion: This may be first report to provideevidence that the crude aqueous metanolic extract of Bambusa tulda leaf is a potential source of natural antioxidant.
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