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在没有添加二氧化硫的葡萄酒中涉及乙甲和二乙烯的感觉特点
Edouard Pelonnier-Magimel1,2, Margaux Cameleyre1,2, Laurent Riquier1,2
1Université de Bordeaux, Bordeaux INP, INRAE, OENO, UMR 1366, ISVV, F-33140 Villenave d'Ornon, France.
Journal of agricultural and food chemistry
|May 30, 2023
概括
没有二氧化硫 (SO) 产生的葡萄酒含有较低的乙甲和二甲. 这些化学差异影响葡萄酒的新鲜度和水果香味,支持天然酒方法.
科学领域:
- 葡萄酒学和葡萄酒化学
- 食品科学与技术 食品科学与技术
背景情况:
- 葡萄酒制作中的自然性概念越来越多地被探索,特别是通过生产没有添加二氧化硫 (SO) 的葡萄酒.
- 二氧化硫 (SO2) 是葡萄酒制作中常见的添加剂,以其抗氧化和抗微生物特性以及与乙甲和二甲等碳化合物反应的能力而闻名.
研究的目的:
- 为了研究在没有添加SO2的红葡萄酒中乙甲和二甲的化学和感官影响.
- 评估SO2的缺失如何影响关键碳化合物的度及其对葡萄酒特性的影响.
主要方法:
- 红葡萄酒中碳化合物 (乙甲和二甲) 的量化,在红葡萄酒中含有和没有添加SO2的红葡萄酒.
- 使用在葡萄酒中的芳香复制剂进行感官分析,有或没有SO2,以评估这些化合物对葡萄酒感知质量的影响.
主要成果:
- 与未添加SO2的葡萄酒相比,未添加SO2的葡萄酒表现出较低的乙甲和二乙烯度.
- 感官评估表明,观察到的乙甲和二甲的分析差异显著影响了葡萄酒的新鲜度.
- 乙烯被特别确定为影响葡萄酒水果香味特征变化的因素.
结论:
- 没有添加的SO2导致红葡萄酒中关键碳化合物的含量降低.
- 乙甲和二乙烯在调节葡萄酒新鲜度和果味香味感知方面发挥着至关重要的作用.
- 这些发现支持通过省略SO2来生产具有增强自然性的葡萄酒的可行性和感官影响.
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