在匈牙利的瑞斯林葡萄酒中含有1,1,6-三甲基-1,2-二甲的含量
Eszter Antal1, Zsuzsanna Varga2, Miklós Kállay2
1Diagnosticum Ltd, Attila str. 126, 1047 Budapest, Hungary.
ACS omega
|October 16, 2023
概括
气候变化可能会增加瑞斯林葡萄酒中的汽油香味. 这项研究量化了匈牙利里斯林和克尼耶鲁葡萄酒中的1,1,6-三甲基-1,2-二二甲 (TDN),发现了区域和品种差异.
科学领域:
- 葡萄酒学 葡萄酒学 葡萄酒学
- 分析化学 分析化学
- 葡萄种植 葡萄种植 葡萄种植
背景情况:
- 1,1,6-三甲基-1,2-二甲 (TDN) 是一种化合物,与葡萄酒中的汽油气味有关,特别是瑞斯林.
- 越来越多的TDN度与气候变化对葡萄种植的影响有关.
- 了解TDN的变化对于葡萄酒的质量和消费者的感知至关重要.
研究的目的:
- 量化2010年至2020年的匈牙利瑞斯林格 (意大利和莱) 和Kéknyelű葡萄酒的免费TDN.
- 评估匈牙利瑞斯林葡萄酒中汽油性质的流行程度.
- 为了比较不同葡萄品种的TDN生产潜力,并评估封闭 (软木与螺旋盖) 对TDN度随时间的推移的影响.
主要方法:
- 气相色谱 (GC) 用于对TDN的仪器分析.
- 除了仪器分析,还进行了感官评估.
- 分析了来自匈牙利各个葡萄酒地区和葡萄酒年份 (2010-2020) 的39瓶葡萄酒.
主要成果:
- 在意大利里斯林,莱里斯林和Kéknyelű葡萄酒中量化了TDN,揭示了汽油特性的变化.
- 在意大利里斯林和莱里斯林之间观察到TDN水平的差异,这表明了品种特定的生产潜力.
- 初步数据表明,在软木瓶和螺栓锁酒瓶之间,TDN度随时间变化的潜在差异.
结论:
- 匈牙利的瑞斯林葡萄酒表现出一种汽油的特质,其变化受到葡萄品种和潜在地区的影响.
- 肯尼尔酒也可能产生汽油气味,这需要进一步调查.
- 封闭类型似乎影响了TDN度动态,突出了其对葡萄酒老化研究的重要性.
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