影响葡萄水氧同位素的因素:一些评论
Mattia Rossi1, Tiziano Boschetti1, Enricomaria Selmo1
1Department of Chemical, Life and Environmental Sustainability Sciences, University of Parma, Parma, Italy, unipr.it.
International journal of food science
|January 7, 2026
概括
这项研究将葡萄酒与葡萄酒联系起来.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 分析化学 分析化学
背景情况:
- 追踪葡萄酒的来源依赖于化学和同位素方法.
- 同位素比质谱法 (IRMS) 是这种分析的一个关键工具.
- 气候显著影响葡萄园的特点和葡萄酒的形状.
研究的目的:
- 为了研究葡萄水中的氧同位素与气象条件之间的关系.
- 为了建立葡萄水同位素和蒸发转化之间的相关性.
- 估计吸收水的同位素特性和同位素丰富系数.
主要方法:
- 使用同位素比质谱法 (IRMS) 进行同位素分析.
- 应用FAO-56模型来计算潜在的蒸发透气 (ET_O) 和作物蒸发透气 (ET_C).
- 分析了 Oltrepò Pavese 和 Illasi / Mezzane (2021-2022) 收获葡萄园相邻站的气象数据.
主要成果:
- 在葡萄汁水 (δ 18O_m) 中的氧同位素比和ET_O和ET_C之间发现了线性相关性.
- 在ET_C相关性上的 δ 18O_m的截取值估计了葡萄晚期成熟期间吸收的水的同位素特征.
- 估计了同位素丰富系数 (ε 18O_m-PW),并表明它取决于气候条件.
结论:
- 葡萄汁水中的氧同位素比例受到气候/气象条件的强烈影响.
- 蒸发透气是预测葡萄汁水中氧同位素变化的可靠指标.
- 这种方法有助于根据葡萄园气候数据追踪葡萄酒的来源.
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