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JOURNAL OF BIOENGINEERING AND TECHNOLOGY APPLIED TO HEALTH, 3(2), p. 105-110, 2020

DOI: 10.34178/jbth.v2i3.79

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Influence of Different Solvents on the Phenolic Compounds Content Grape Bark Extracts (Vitis vinifera) from Syrah Variety

This paper was not found in any repository; the policy of its publisher is unknown or unclear.
This paper was not found in any repository; the policy of its publisher is unknown or unclear.

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Abstract

Grape bark from the wine industry still contains significant amounts of phenolic compounds. Specific characteristics of the applied solvents influence the extraction of phenolic compounds directly. This study aimed to evaluate the influence of different solvents obtaining phenolic compounds in Syrah grape barkextracts by High-Performance Liquid Chromatography (HPLC). Grape peel extracts were prepared with three different solvents (water, 50%, and 80% grain alcohol), and evaluated using standard curve with 15 phenolic compounds. It was not possible to quantify the phenolic compounds, but the chromatogramssuggest the presence of some of them. The solvent that provided the best interaction with grape peel was 50% grain alcohol.