“春桂”乌龙茶加工中茉莉样香气响应关键香气成分的鉴定

IF 5.6 1区农林科学 Q1 AGRICULTURAL ENGINEERING

Industrial Crops and Products Pub Date : 2025-06-19 DOI:10.1016/j.indcrop.2025.121376

Yongheng Zhang , Ruiyang Shan , Changqing Ding , Xiaomei You , Shiqin Zheng , Zhihui Chen , Xinlei Li , Xiangrui Kong , Yazhen Zhang , Zhenghe Lin , Xinchao Wang , Changsong Chen

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引用次数: 0

摘要

乌龙茶由茶树品种“春桂”（CG）制成，其特点是具有独特而吸引人的茉莉花香味。然而，产生这种香气的特定气味剂及其在加工过程中的变化尚不完全清楚。以黄丹（HD）品种为对照，研究了CG乌龙茶生产过程中挥发性成分的变化。在整个处理阶段共鉴定出536种挥发物。关键的花香和果味挥发性化合物在摇匀和凝固阶段表现出相似的积累趋势，但在固定、滚动和干燥阶段出现分化，导致最终CG和HD茶的香气属性不同。感官评价和香气分析表明，吲哚、(E)-β-辛烯、(E)-β-萜烯和苯乙醛可能协同作用促成了CG的茉莉样香气。这些发现对CG乌龙茶加工过程中香气的发展和变化提供了有价值的见解，有助于通过工艺优化来提高质量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Identification of key aroma components responsive for jasmine-like aroma in ‘Chungui’ cultivar oolong tea processing

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Identification of key aroma components responsive for jasmine-like aroma in ‘Chungui’ cultivar oolong tea processing

The oolong tea produced from the Camellia sinenesis cultivar ‘Chungui’ (CG) is characterized by its distinctive and appealing jasmine-like floral aroma. However, the specific odorants contributing to this aroma and their changes during processing are not fully understood. This study investigated the changes in volatile compounds during CG oolong tea manufacturing, using the ‘Huangdan’ (HD) cultivar serving as a reference. A total of 536 volatiles were identified throughout the processing stages. Critical floral and fruity volatile compounds exhibited similar accumulation trends during the shaking and setting stages but diverged during fixing, rolling, and drying, resulting in distinct aroma attributes in the final CG and HD teas. Sensory evaluation and aroma analysis revealed that indole, (E)-β-ocimene, (E)-β-terpinolene, and benzeneacetaldehyde may synergistically contribute to the jasmine-like aroma of CG. These findings offer valuable insights into aroma development and changes during CG oolong tea processing, aiding in quality improvement through process optimization.

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来源期刊

Industrial Crops and Products 农林科学-农业工程

CiteScore

9.50

自引率

8.50%

发文量

1518

审稿时长

43 days

期刊介绍： Industrial Crops and Products is an International Journal publishing academic and industrial research on industrial (defined as non-food/non-feed) crops and products. Papers concern both crop-oriented and bio-based materials from crops-oriented research, and should be of interest to an international audience, hypothesis driven, and where comparisons are made statistics performed.