TITLE

COMPARATIVE STUDY OF THE PHENOLIC COMPOSITION OF SEEDS FROM GRAPES CV CARDINAL AND ALPHONSE LAVALLEE DURING LAST MONTH OF RIPENING

AUTHOR(S)
Topalovic, A.; Godjevac, D.; Perovic, N.; Trifunovic, S.
PUB. DATE
April 2012
SOURCE
Italian Journal of Food Science;2012, Vol. 24 Issue 2, p159
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
During the last month of ripening, the phenolic composition of seeds from two widely distributed table grapes, cv Cardinal and Alphonse Lavallee, was determined by HPLC/DAD/ESI/MS. Besides, the concentrations of nutrients in leaf blades of grapevine were measured. Generally, the most abundant phenolic in grape seed was gallic acid, followed by methyl gallate and monomeric flavan-3-ols. In comparison to Alphonse Lavallee, the amounts of phenolics were higher in grape seed of Cardinal, in which gallic acid glucoside was not detected. Among analyzed phenolics, the increase of gallic acid was evidenced in grape seed of Cardinal. The most of phenolics decreased during t he last month of grape ripening, and some of them had no significantly different content. Results of bivariate correlations showed that the amounts of some phenolics in grape seed of Cardinal increased with increasing of the content of potassium and phosphorus in leaves.
ACCESSION #
77426063

 

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