Zbornik Matice srpske za prirodne nauke 2006 Issue 111, Pages: 87-93
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Spectrophotometric method for the study of the antioxidant activity applied on Ziziphus jujuba and Hydrangea paniculata aqueous extract

Cacig Svetlana I., Szabo-Raluca Maria I., Lupea Alfa Xenia D.

Antioxidant activity of water extracts from Ziziphus jujuba fruits and Hydrangea paniculata leaves, maintained in a refrigerator, was determined by the potassium permanganate method. The results presented in this paper indicate that the fruit extracts from Ziziphus jujuba had higher antioxidant activity than Hydrangea paniculata leaf extracts and that both fermentation processes had a strong effect on antioxidant activity.

Keywords: antioxidant activity, plant extract, spectrophotometric method