一项关于伊比利亚葡萄酒中氨基酸和二衍生分子的全面研究
Catarina Marques1, Elisete Correia2, Alfredo Aires1
1CITAB, Centre for the Research and Technology of Agro-Environmental and Biological Sciences and Inov4Agro, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal.
Foods (Basel, Switzerland)
|November 9, 2024
概括
葡萄酒含有重要的生物活性氨基酸,如氨酸和氨酸,生产方法会影响水平. 这项研究探讨了葡萄酒.
科学领域:
- 食品化学 食品化学
- 营养科学 营养科学
- 生物化学 生物化学
背景情况:
- 葡萄酒是一种具有历史意义和用途的产品,因其复杂的化学成分和潜在的健康益处而越来越受欢迎.
- 科学界越来越有兴趣了解各种葡萄酒中存在的特定营养和生物活性化合物.
研究的目的:
- 为了研究不同类型的葡萄酒中的氨基酸概况和酸衍生分子 (血清素,黑色素) 的存在.
- 分析生产过程 (如酸性化率和老化) 对生物活性化合物的度的影响.
主要方法:
- 对来自杜罗和里奥哈地区的白葡萄酒,红葡萄酒,港口葡萄酒和香的分析.
- 使用高性能液态色谱和固相提取 (HPLC-SPE) 进行详细的化学分析.
主要成果:
- 检测到重要的生物活性氨基酸水平,包括氨酸 (高达61.21毫摩尔/升),氨酸 (高达30.33毫摩尔/升) 和氨酸 (高达71.47毫摩尔/升).
- 发现了血清素和黑激素的前体托芬,特别是在样本059 (30.54毫摩尔/升) 中.
- 氨基酸度因类型而异,酸性化速度较慢,老化时间较长与水平降低相关.
结论:
- 葡萄酒具有显著的有益氨基酸度,有助于其潜在的促进健康的特性.
- 生产技术显著影响葡萄酒的最终生物活性化合物特征.
- 对葡萄酒成分的进一步研究可以提高对其在健康和营养方面的作用的理解.
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