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化学分析能预测葡萄酒的陈年能力吗?

Can Chemical Analysis Predict Wine Aging Capacity?

作者信息

Waterhouse Andrew L, Miao Yingxin

机构信息

Viticulture and Enology, University of California, Davis, CA 95616, USA.

出版信息

Foods. 2021 Mar 19;10(3):654. doi: 10.3390/foods10030654.

DOI:10.3390/foods10030654
PMID:33808701
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8003402/
Abstract

Oxidation is the limiting factor in wine aging, and recently some famous wines have exhibited unexpected premature oxidation. Antioxidant assays may provide a means to assess a wine's aging potential by measuring its capacity to chemically reduce reagent components. Correlations between antioxidant activity and wine components have the highest value with flavanols, notable for their catechol and phloroglucinol moieties. Both FRAP and DPPH based methods respond strongly to catechol groups, but these functional groups do not protect wine from oxidation. An ideal assay for wine aging capacity would respond selectively to thiols, phloroglucinol moieties, SO and other antioxidants capable of reducing quinones. A definitive test will be to compare the various assays against the shelf life of a number of commercial wines.

摘要

氧化是葡萄酒陈酿过程中的限制因素,最近一些著名葡萄酒出现了意外的过早氧化现象。抗氧化剂分析可以通过测量葡萄酒化学还原试剂成分的能力,为评估葡萄酒的陈酿潜力提供一种方法。抗氧化活性与葡萄酒成分之间的相关性在黄烷醇方面具有最高价值,黄烷醇因其儿茶酚和间苯三酚部分而显著。基于FRAP和DPPH的方法对儿茶酚基团反应强烈,但这些官能团并不能保护葡萄酒免于氧化。一种理想的葡萄酒陈酿能力分析方法应能选择性地对硫醇、间苯三酚部分、SO₂和其他能够还原醌类的抗氧化剂做出反应。一个决定性的测试将是将各种分析方法与多种商业葡萄酒的保质期进行比较。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/9ff58873fb7e/foods-10-00654-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/39ce6c562870/foods-10-00654-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/b762b37ba003/foods-10-00654-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/f29db4e18520/foods-10-00654-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/abf90f8cf504/foods-10-00654-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/16a86de80628/foods-10-00654-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/9ff58873fb7e/foods-10-00654-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/39ce6c562870/foods-10-00654-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/b762b37ba003/foods-10-00654-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/f29db4e18520/foods-10-00654-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/abf90f8cf504/foods-10-00654-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/16a86de80628/foods-10-00654-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/917a/8003402/9ff58873fb7e/foods-10-00654-g006.jpg

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