空气流:在塑造白茶质量的双刃剑
Jinyuan Wang1,2, Dongchun Lin3, Jiao Feng1,2
1College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
Food chemistry: X
|June 10, 2025
概括
在白茶枯过程中优化空气流动对于品质至关重要. 适度的空气流量 (0.5米/秒) 通过促进有益的生理化学反应来增强花香和味道,与停滞或高空气流不同.
科学领域:
- 食品科学 食品科学 食品科学
- 农业工程 农业工程
- 植物生理学 植物生理学
背景情况:
- 白茶的质量受到枯过程的显著影响,这涉及水分损失和复杂的生理化学变化.
- 了解枯期间空气流的影响对于优化白茶生产和感官特征至关重要.
研究的目的:
- 研究白茶枯过程中不同空气流速对白茶品质的影响.
- 分析空气流对水分流失的影响,生化反应,香味特征和白茶的感觉特征.
主要方法:
- 使用了低场核磁共振 (LF-NMR),传输电子显微镜 (TEM),扫描电子显微镜 (SEM),气体染色学-飞行时间质谱学 (GC-TOF-MS) 和超高性能液体染色学-双重四极质谱学 (UPLC-TQS-MS).
- 比较的白茶在三个空气流条件下枯:0 m/s (AF0),0.5 m/s (AF0.5) 和1 m/s (AF1).
主要成果:
- 停滞不前的空气流 (AF0) 阻碍了水分的流失,并积累了绿色的芳香化合物和凝剂.
- 中等气流 (AF0.5) 和高气流 (AF1) 促进了口腔的开放和水的迁移,导致水应力增加,细胞损伤和酶活性增加.
- AF0.5优化了白茶质量,通过促进平衡的氧化,水解和合成,增强了花香 (linalool,nerol),柔和的味道和颜色.
- AF1导致了草笔记,而AF0导致了不必要的积累.
结论:
- 白茶枯期间的空气流管理极大地影响了水分动态和生化转变.
- 确定0.5m/s的空气流速是增强白茶感官特征和质量属性的最佳.
- 这些发现为提炼白茶加工技术和设计有效的枯设备提供了宝贵的见解.
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