在发酵过程中的再卷处理改善了黑茶的香味质量
Qincao Chen1, Penghui Yu2, Ziyi Li1
1College of Agriculture, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Nanchang 330045, China.
Foods (Basel, Switzerland)
|October 14, 2023
概括
重新滚动小叶Congou黑茶通过改变挥发性化合物,显著增强其花和水果香味. 这种简单的加工技术提高了茶的质量,丰富了茶的香味化学.
科学领域:
- 食品化学 食品化学
- 农业科学 农业科学
- 感官科学 感官科学
背景情况:
- 茶的香味对品质和价值至关重要,但在小叶黑茶中实现花/果味的音调而没有草味的气味是具有挑战性的.
- 传统的加工方法往往难以在某些茶叶品种中传递理想的复杂香味.
研究的目的:
- 为了研究重新滚动处理对小叶Congou黑茶的香味特征的影响.
- 为了确定负责改善香味特性的关键挥发性化合物.
主要方法:
- 茶香质量的感官评价.茶香质量的感官评价.
- 气色谱-质谱 (GC-MS) 用于挥发性化合物的识别和定量.
- 统计分析 (Tukey的b测试) 来确定挥发性化合物水平的显著差异.
主要成果:
- 再卷处理成功地赋予了Congou黑茶的花和水果香味.
- 确定了179种挥发性化合物,其中97种在处理后显示出显著的变化.
- 治疗改变了挥发性类别的平衡,降低了一些脂肪酸衍生的挥发性物 (FADV) 和挥发性类物 (VTs),同时增加了其他类型,以及氨基酸衍生的挥发性物 (AADV) 和胡卜素衍生的挥发性物 (CDV).
结论:
- 再卷是一种新且有效的加工技术,可以增强小叶孔古黑茶的香味质量.
- 特定的化合物,如乙,离子子和各种被确定为可取的花和果香的关键贡献者.
- 这项研究为茶香化学和加工提供了宝贵的见解.
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