NDLI: PHYTOCHEMICAL SCREENING, ANTIOXIDANT AND ANTIMICROBIAL ACTIVITIES OF ETHANOLIC EXTRACT OF TECOMA STANS FLOWERS (975)

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PHYTOCHEMICAL SCREENING, ANTIOXIDANT AND ANTIMICROBIAL ACTIVITIES OF ETHANOLIC EXTRACT OF TECOMA STANS FLOWERS (975)

Content Provider	CiteSeerX
Author	Raghavan C., M. Sakthivel, V. Rajamurugan, R. Sivashanmugam, M. Thirunavukkarasu, C.
Abstract	The aim of the present study was to screen phytochemicals, antioxidant and antimicrobial activities of the extract from Tecoma stans flowers. The ethanolic extract of T. stans flowers demonstrated antioxidant activity in DPPH radical and β-carotenebleaching models. The extract exhibited a dose dependent reductive ability. The ethanolic extract of flowers of this species showed strong antimicrobial activity also and was effective against tested bacteria (Bacillus subtilis, Escherichia coli, Staphylococcus aureus, Proteus mirabilis, Klebsiella pneumoniae) and fungi (Penicillium sp.). The extract was not effective against Aspergillus flavus, Cladosporium sp. and Botrytis sp. The phytochemical screening revealed the presence of tannins, flavonoids, phenols, alkaloids, steroids, cardiac glycosides and saponins in the flower extract. The present findings provide scientific evidence to support the traditional use of Tecoma stans and also indicate that the flowers of this species are a promising potential for the development of antioxidant and antimicrobial agents.
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Subject Keyword	Tecoma Stans Promising Potential Traditional Use Present Finding Cladosporium Sp Antimicrobial Activity Carotenebleaching Model Bacillus Subtilis Klebsiella Pneumoniae Proteus Mirabilis Antimicrobial Agent Antioxidant Activity Dose Dependent Reductive Ability Screen Phytochemical Scientific Evidence Escherichia Coli Staphylococcus Aureus Flower Extract Phytochemical Screening Ethanolic Extract Botrytis Sp Aspergillus Flavus Cardiac Glycoside Strong Antimicrobial Activity
Content Type	Text

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