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May 21, 2016
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December 18, 2016
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Abstract

Saraca asoca is an important indigenous and considered as sacred tree by Hindus and Buddhists with lots of traditional importance and employed to cure various diseases in Ayurveda. The methanolic, acetone and aqueous leaves extracts of the Saraca asoca plant species namely S. Asoca caesalpiniaceae and S. Asoca leguminosae were analysed phytochemically and antimicrobial activity against bacterial strains (Bacillus subtilis MTCC 121 and Escherichia coli MTCC 120) responsible for various human infections. The acetone leaves extracts of Saraca asoca caesalpiniaceae shows maximum zone of inhibition (36.80 mm at 100 mg/ml) against B. subtilis followed by methanol extract (35.90 mm at 100 mg/ml) followed by aqueous extract (20.38 nm at 100 mg/ml). Minimum inhibitory concentration (MIC) of these extract was also investigated in which S. Asoca caesalpiniaceae acetone fraction showed significant antimicrobial activity against E. coli followed by methanolic extract. The leaf extracts of S. Asoca caesalpiniaceae showed better antimicrobial activity against bacterial strains used as compare to S. Asoca leguminosae. Preliminary phytochemical studies revealed the presence of tannins, phenolics, saponins, glycosides and flavonoids.

Keywords

Saraca asoca caesalpiniaceae Saraca asoca leguminosae antimicrobial action Bacillus subtilis Escherichia coli

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How to Cite
Patni, B., & Chandra, H. . (2016). Identification of phytochemical contents and antimicrobial activity of Saraca asoca leaves extract. Environment Conservation Journal, 17(3), 19–24. https://doi.org/10.36953/ECJ.2016.17303
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