Chemistry Journal of Moldova

ESTABLISHMENT OF THE ANTIOXIDANT/ANTIRADICAL ACTIVITY OF THE INHIBITORS USING THE DPPH–RADICAL

Author(s):

Maria Gonta, Gheorghe Duca, Diana Porubin


Field: Ecological chemistry
Type: Research paper
Issue: 2008 Volume 3, no.1
Pages: 118-126
Keywords:

antioxidant activity, DPPH radical, inhibition rate, natural inhibitors from secondary winery materials


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Abstract (JPEG)

DOI:
dx.doi.org/10.19261/cjm.2008.03(1).01

Graphical Abstract:
This research paper presents the results of the investigation of antioxidant activities of various inhibitors, which are constituents of winery products: quercitin, rezveratrol, dihydroxyfumaric acid. Also, the antioxidant activity of tartaric and dihydroxyfumaric (DFH4) acids derivatives has been determined: sodium dihydroxyfumarate, dimethylic ester of DFH4 and dimethylic ester of tartaric acid. The enotannin extracts obtained from grape seeds have been evaluated: the non-oxidized enotannin extract Eneox and the oxidized one -Enoxil.

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