Formation and emission of linalool in tea (Camellia sinensis) leaves infested by tea green leafhopper (Empoasca (Matsumurasca) onukii Matsuda)
文献类型: 外文期刊
第一作者: Mei, Xin
作者: Mei, Xin;Liu, Xiaoyu;Zhou, Ying;Wang, Xiaoqin;Zeng, Lanting;Fu, Xiumin;Yang, Ziyin;Mei, Xin;Liu, Xiaoyu;Zhou, Ying;Wang, Xiaoqin;Zeng, Lanting;Fu, Xiumin;Yang, Ziyin;Liu, Xiaoyu;Wang, Xiaoqin;Zeng, Lanting;Yang, Ziyin;Li, Jianlong;Tang, Jinchi;Li, Jianlong;Tang, Jinchi;Dong, Fang
作者机构:
关键词: Aroma;Camellia sinensis;Green leafhopper;Linalool;Tea;Volatile
期刊名称:FOOD CHEMISTRY ( 影响因子:7.514; 五年影响因子:7.516 )
ISSN: 0308-8146
年卷期: 2017 年 237 卷
页码:
收录情况: SCI
摘要: Famous oolong tea (Oriental Beauty), which is manufactured by tea leaves (Camellia sinensis) infected with tea green leafhoppers, contains characteristic volatile monoterpenes derived from linalool. This study aimed to determine the formation mechanism of linalool in tea exposed to tea green leafhopper attack. The tea green leafhopper responsible for inducing the production of characteristic volatiles was identified as Empoasca (Matsumurasca) onukii Matsuda. E. (M.) onukii attack significantly induced the emission of linalool from tea leaves (p < 0.05) as a result of the up-regulation of the linalool synthases (CsLIS1 and CsLIS2) (p < 0.05). Continuous mechanical damage significantly enhanced CsLIS1 and CsLIS2 expression levels and linalool emission (p < 0.05). Therefore, continuous wounding was a key factor causing the formation and emission of linalool from tea leaves exposed to E. (M.) onukii attack. This information should prove helpful for the future use of stress responses of plant secondary metabolism to improve quality components of agricultural products. (C) 2017 Elsevier Ltd. All rights reserved.
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