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常温条件下不同做形工艺对信阳毛尖品质影响
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王杉(1992-),女,硕士,讲师,研究方向:茶叶审评与茶文化,E-mail:672240324@qq.com 通讯作者:陈义(1980-),男,硕士,教授,研究方向:茶叶加工与品质化学,E-mail:chenyitea@163.com

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国家重点研发计划重点专项(2021YFD1601103)


Effects of Different Shaping Processes on the Quality of Xinyang Maojian Tea under Room Temperature Conditions
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    摘要:

    为了探索常温条件下不同做形工艺对信阳毛尖品质的影响;以信阳群体种茶鲜叶为原料,按照4 种常温不同做形工艺制成信阳毛尖为样品,以加温做形工艺制成信阳毛尖为对照,通过感官审评、不同开汤次数和冲泡30 min水浸出物含量以及第一次开汤茶汤中化学成分测定。结果显示:综合感官品质得分从高到低依次是:工艺3>工艺4=对照>工艺2>工艺1,即93.9分>93.4分>93.0分>92.7分,第一次开汤水浸出物做形工艺组合越多含量越高,且含量在23%~31%,冲泡30 min含量在39%~44%;水浸出物与感官品质各因子成负相关、感官品质因子间均成正相关;第一次开汤各化学成分含量做形工艺组合多的大于做形工艺组合少的、工艺3含量最低且不同处理间差异显著。综上所说,常温条件下工艺摊放-杀青-回潮-揉捻-排把-理条-干燥干茶外形、汤色、香气、滋味以及综合品质最佳;研究结果为信阳毛尖加工工艺传承、创新和品质提高提供理论依据。

    Abstract:

    To compare the quality of Xinyang Maojian tea under different shaping processes at room temperature, fresh leaves of the Xinyang group-variety tea were used as raw materials. Samples were prepared using four room-temperature shaping processes, with tea produced using a heated shaping process serving as the control. Sensory evaluations were performed, aqueous extract contents were determined after different steeping times and 30 min of brewing, and a chemical composition analysis of the tea infusion from the first steeping was performed. The comprehensive sensory quality scores, ranked from highest to lowest, were as follows: Process 3 (93.9)>Process 4 (93.4)=Control (93.4)>Process 2 (93.0)>Process 1 (92.7). The aqueous extract content in the first infusion increased with the number of shaping steps, ranging from 23% to 31%, compared with estimates of 39%~44% after 30 min of brewing. The aqueous extract content was negatively correlated with sensory quality factors, whereas the sensory factors themselves were positively correlated. The chemical component content in the first infusion was higher in processes with more shaping steps, with Process 3 exhibiting the lowest content and significant differences among treatments. In conclusion, under roomtemperature conditions, the process of spreading-fixation-moisture balancing-rolling-patting-straightening-drying yielded the best results in terms of dry tea appearance, liquor color, aroma, taste, and overall quality. These findings provide a theoretical basis for the preservation, innovation, and quality improvement of Xinyang Maojian tea processing techniques.

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王杉,甘浩,陈凌芝,王晶晶,郭桂义,孙慕芳,陈义.常温条件下不同做形工艺对信阳毛尖品质影响[J].现代食品科技,2026,42(9):208-215.

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  • 收稿日期:2025-07-01
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  • 在线发布日期: 2026-10-10
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