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首页> 外文期刊>Journal of mass spectrometry: JMS >Tentative identification of polar and mid-polar compounds in extracts from wine lees by liquid chromatography-tandem mass spectrometry in high-resolution mode
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Tentative identification of polar and mid-polar compounds in extracts from wine lees by liquid chromatography-tandem mass spectrometry in high-resolution mode

机译：液相色谱-串联质谱以高分辨率模式初步鉴定酒渣提取物中的极性和中极性化合物

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摘要

Sustainable agriculture has a pending goal in the revalorization of agrofood residues. Wine lees are an abundant residue in the oenological industry. This residue, so far, has been used to obtain tartaric acid or pigments but not for being qualitatively characterized as a source of polar and mid-polar compounds such as flavonoids, phenols and essential amino acids. Lees extracts from 11 Spanish wineries have been analyzed by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) in high resolution mode. The high-resolution power of LC-MS/MS has led to the tentative identification of the most representative compounds present in wine lees, comprising primary amino acids, anthocyans, flavanols, flavonols, flavones and non-flavonoid phenolic compounds, among others. Attending to the profile and content of polar and mid-polar compounds in wine lees, this study underlines the potential of wine lees as an exploitable source to isolate interesting compounds. Copyright (C) 2015 John Wiley & Sons, Ltd.
机译：可持续农业在重新确定农业食品残留方面有一个未决的目标。酒渣在酿酒工业中是大量残留物。迄今为止，该残留物已用于获得酒石酸或颜料，但尚未定性地表征其为极性和中极性化合物的来源，例如类黄酮，酚和必需氨基酸。液相色谱-串联质谱（LC-MS / MS）在高分辨率模式下对西班牙11个酿酒厂的酒糟提取物进行了分析。 LC-MS / MS的高分辨率功能已导致对酒渣中存在的最具代表性的化合物进行了初步鉴定，其中包括伯氨基酸，花色苷，黄烷醇，黄酮醇，黄酮和非类黄酮酚类化合物等。考虑到酒渣中极性和中极性化合物的特性和含量，这项研究强调了酒渣作为分离有趣化合物的可利用来源的潜力。版权所有（C）2015 John Wiley＆Sons，Ltd.

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