Research Article

**Effect of Drying Treatment on the Content of Antioxidants in Enicostemma littorale Blume**

R. Sathishkumar, P.T.V. Lakshmi and A. Annamalai

The Total Phenolic Content (TPC) and antioxidant activity of fresh and dried materials of Enicostemma littorale Blume were evaluated using the Folin-ciocalteau method, 2, 2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging activity and Ferric Reducing Antioxidant Power (FRAP) assays. Different drying treatments especially, microwave treated plant material led to significant reduction (p≤0.05) in antioxidant properties of E. littorale in methanolic extracts as compared to that of the boiling water extracts, which appeared to exhibit significantly stronger antioxidant potentials (p≤0.05) even in dried plant materials due to greater solubility of compounds, breakdown of cellular constituents as well as hydrolysis of tannins. A strong free radical scavenging activity in the chosen plant material suggests that it has great potential in the food industry as functional food ingredient.

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R. Sathishkumar, P.T.V. Lakshmi and A. Annamalai, 2009. Effect of Drying Treatment on the Content of Antioxidants in Enicostemma littorale Blume. Research Journal of Medicinal Plants, 3: 93-101.

URL: https://scialert.net/abstract/?doi=rjmp.2009.93.101

Research Journal of Medicinal Plants

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Authors

R. Sathishkumar

P.T.V. Lakshmi

A. Annamalai

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Research Article

**Effect of Drying Treatment on the Content of Antioxidants in Enicostemma littorale Blume**

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