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IN VITRO ANTIOXIDANT ACTIVITY OF AMORPHOPHALLUS PAEONIIFOLIUS (DENNST.) NICOLSON VAR. CAMPANULATUS (BLUME EX.DECNE) SIVADASAN

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Abstract (2. Language): 
Antioxidant activity of petroleum ether, benzene, ethyl acetate, methanol and ethanol extracts of the corm of Amorphophallus paeoniifolius have been tested using various antioxidant model systems viz., DPPH, hydroxyl, superoxide, ABTs and reducing power. The methanol extract of corm showed potent in vitro antioxidant activities. Ethanol extract of the plant showed strong DPPH radical scavenging activity. The maximum inhibitory concentration (IC 50) in all models viz, superoxide, DPPH, ABTs and hydroxyl radical were found to be 83.14, 34.50, 31.44 and 19.56μg/ml respectively at 1mg/ml concentration. The findings of the present study confirmed the presence of total phenolics and flavonoids and possess in vitro antioxidant activity.
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