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The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Effect of Drying Temperature on the Stability of Polyphenols and Antioxidant Activity of Red Grape Pomace Peels

Larrauri, José A., Rupérez, Pilar, Saura-Calixto, Fulgencio·1997·Journal of Agricultural and Food Chemistry

Abstract

The effect of drying temperature (60, 100, and 140 °C) on the polyphenols' content and antioxidant activity of red grape pomace peels was studied. Freeze-dried samples were used as reference. Differences on the CIE-LAB color, total extractable polyphenols, condensed tannins, UV−vis spectra, and antioxidant activity were evaluated. When drying temperature was 100 and 140 °C, a significant reduction in both total extractable polyphenols (18.6 and 32.6%) and condensed tannins (11.1 and 16.6%) was observed, as well as a decrease of 28 and 50% in the antioxidant activity of the samples, respectively. Hue angle and total color difference in the sample dried at 140 °C were significantly higher than in the freeze-dried reference material. A red color loss at 140 °C was also confirmed by lower absorbance values in the spectra at 525 nm. Drying at 60 °C did not significantly affect the sample characteristics evaluated. Keywords: Wine byproducts; grape pomace peels; antioxidant activity; drying temperature

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Crossref · 10.1021/jf960282f

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Metadata

Authors
Larrauri, J. A., Rupérez, P., & Saura-Calixto, F.
Venue
Journal of Agricultural and Food Chemistry
Published
1997-04-01
Volume
45
Issue
4
Pages
1390-1393
ISSN
  • 0021-8561 (ISSN-L)
  • 1520-5118
OpenAlex
W2080498348
Cited by
772
References
9
FWCI
1.55
Type
journal article
Language
en
Open access
closed

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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.

Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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