A comparative study on antioxidant activity of essential oils and curcumin using thiobarbituric acid reactive substances

M. S. Seema Farhath, P. P. Vij

Abstract

Antioxidant compounds in food play an important role as a health protecting factor. Scientific evidence suggests that antioxidants reduce the risk for chronic diseases including cancer and heart disease. Recently antioxidants and secondary metabolites have attracted a great deal of attention for their effect in preventing disease due to oxidative stress, which leads to degeneration of cell membranes and many pathological diseases. A sensitive and simple procedure is described for measuring the antioxidant activity (AA) of essential oils(Geranial. Geranial acetate, Eugenol and Gingerol) with curcumin. using T bars. It was found that curcumin showed higher AA than essential oils. It showed that curcumin has effective AA activity at a very less concentration of 0.74mg/ml compared to Eugenol, which showed a effective AA activity at a concentration of 9.4mg/ml.

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