ethanol extract

Influence of thermal treatment on tannin content and antioxidation effect of oak acorn quercus cerris extract

Faculty of Agriculture, Belgrade-Zemun (1,2,3)
Faculty of Technology, Novi Sad (4)

Abstract:

The results of investigation of the tannin content in the oak acorn kernel Quercus cerris, qualitative analysis of tannin and antioxidation effect of ethanol extracts of acorn on porcine lipid (prime steam lard) as a substrate are presented in this paper. Experiments were carried out on kernel samples of the domestic oak acorn, from the location Zaglavak, near by the town of Bajina Bašta. Tannin content was determined by spectrophotometric procedure using phosphorus Wolframic acid on wave length of 715 nm.

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