通过蒸汽爆炸技术改善夏季茶叶的利用:风味转化和冷造的可行性
Daoliang Wang1, Zhibin Liu2, Weiying Su1
1College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350108, China; Institute of Food Science & Technology, Fuzhou University, Fuzhou, Fujian 350108, China.
Food chemistry
|November 23, 2025
概括
蒸汽爆炸技术 (SET) 将低质量的夏季茶叶转化为优质产品. 这种创新的加工方法显著减少了苦味并增强了味道,使夏季茶适合高质量生产.
科学领域:
- 食品科学 食品科学 食品科学
- 农业科学 农业科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 夏季茶叶具有不良特征,如厚厚的细胞壁,低香气和强烈的苦味,限制了它们在优质茶叶生产中的使用.
- 传统的加工方法往往无法有效地减轻这些特征.
研究的目的:
- 研究蒸汽爆炸技术 (SET) 在提高夏季茶叶的质量和可用性方面的有效性.
- 分析SET对夏季茶的物理化学性质,感觉特征和造特征的影响.
主要方法:
- 夏季茶叶使用蒸汽爆炸技术 (SET) 在优化条件下 (0.6MPa,180秒) 进行处理.
- 评估了细胞壁的破坏,量化了多释放的数量.
- 进行了感官分析,以评估风味配置文件.
- 气色谱-质谱 (GC-MS) 和超高性能液色谱-四极飞行时间质谱 (UPLC-QTOF-MS) 分别用于分析挥发性化合物和植物化学成分.
- 冷水和热水造造的提取效率进行了比较.
主要成果:
- SET显著破坏了夏季茶叶的细胞壁,增强了多的释放.
- 蒸汽爆炸茶呈现出与春叶高品质白茶相提并论的感觉特征.
- GC-MS分析表明,可取的挥发性化合物的提取量增加.
- UPLC-QTOF-MS证实了醇,酸和咖啡因 (15.61%35.28%) 的减少,导致苦味的减少.
- 蒸汽爆炸茶在冷水造过程中显示了关键化合物的高提取率.
结论:
- 蒸汽爆炸技术 (SET) 是一种可行和可持续的方法来提高夏季茶叶的质量.
- SET有效地减少了苦味,并增强了夏季茶的香味和风味,扩大了其在茶叶行业的应用.
- 蒸汽炸茶的改进特性使其适合于新的造方法,如冷水提取.
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