Author(s): Kavita Gahlot, V.K. Lal, S. Jha

Email(s): kavita_pharma@yahoo.co.in

DOI: Not Available

Address: Kavita Gahlot1,3, V.K. Lal2 and S. Jha3
1Department of Pharmacognosy and Phytochemistry, School of Pharmaceutical sciences, IFTM University, Moradabad. India
2Sagar Institute of Pharmacy, Barabanki, Lucknow, India
3Department of Pharmaceutical Sciences, Birla Institute of Technology, Mesra, Ranchi. India
*Corresponding Author

Published In:   Volume - 6,      Issue - 5,     Year - 2013


ABSTRACT:
The total phenolic content (TPC) and total flavonoid content (TFC) of ethanol extract of three Flemingia species Flemingia chappar(EFC) Flemingia macrophylla (EFM) and Flemingia strobilifera(EFS) were measured using Folin–Ciocalteau and aluminium chloride colorimetric methods, respectively. The in vitro antioxidant activities were also investigated by using in vitro antioxidant models including 2,2´-azinobis–(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS+), 1,1- diphenyl-2-picrylhydrazyl (DPPH), nitric oxide (NO), hydroxyl radical (OH), super oxide (SO) and reducing power (Fe3+ to Fe2+ transformation) assay. The TPC were 14.725, 12.725 and 9.072 mg/gallic acid equivalent (GAE)/g extract while TFC were 16.715, 13.853 and 10.657 quercetin equivalents (QRT)/g extract sample for EFS, EFM and EFC respectively. Analysis of the free radical scavenging activities of the extracts revealed a concentration dependant antiradical activity resulting from reduction of ABTS+, DPPH, NO and OH- radicals to non radical form. The scavenging activity of ascorbic acid, a known antioxidant used as positive control, was however higher and scavenging potential was in the order: ascorbic acid> EFS>EFM>EFC. The reducing power of ascorbic acid, EFS, EFM and EFC increased gradually with increasing concentration. The order of the reduction potential was ascorbic acid> EFS>EFM>EFC. These results obtained in the present study indicate that ethanol extract of Flemingia species can be a potential source of natural antioxidant with strong antiradical capacity.


Cite this article:
Kavita Gahlot, V.K. Lal, S. Jha. Total Phenolic content, flavonoid content and In vitro antioxidant activities of Flemingia species (Flemingia chappar, Flemingia macrophylla and Flemingia strobilifera). Research J. Pharm. and Tech. 6(5): May 2013; Page 516-523.


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RNI: CHHENG00387/33/1/2008-TC                     
DOI: 10.5958/0974-360X 

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