做形方式对信阳毛尖水浸出物及化学成分的影响
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1信阳农林学院茶学院,河南 信阳 464000;2河南省豫南茶树资源综合开发重点实验室,河南 信阳 464000;3大别山实验室,河南 信阳 464000;4河南省现代农业中药材产业技术体系信阳茶叶综合试验站,河南 信阳 464000;5信阳市文新茶叶有限公司,河南 信阳 464000;6信阳市茶产业发展中心,河南 信阳 464000

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郭桂义(1963—),男,信阳农林学院教授。E-mail:ggy6363@aliyun.com
杨洁(1974—),男,信阳市茶产业发展中心高级农艺师。E-mail:yjie2023@sina.com

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“十四五”国家重点研发计划重点专项(编号:2021YFD1601103)


Effects of shaping methods on water extract and chemical composition of Xinyang Maojian
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1Tea College of Xinyang Agriculture and Forestry University, Xinyang, Henan 464000, China;2Henan Provincial Key Laboratory of Comprehensive Development of Tea Resources, Xinyang, Henan 464000, China;3Dabie Mountain Laboratory, Xinyang, Henan 464000, China;4Xinyang Tea Comprehensive Experiment Station, Henan Provincial Chinese Medicinal Materials Industry Technology System, Xinyang, Henan 464000, China;5Xinyang Wenxin Tea Co., Ltd., Xinyang, Henan 464000, China;6Xinyang Tea Industry Development Center, Xinyang, Henan 464000, China

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    摘要:

    目的 探讨不同做形方式对信阳毛尖品质的影响。方法 以信阳群体种茶鲜叶一芽一叶为原料,按照4种不同加工工艺制备茶样,通过感官审评、不同开汤次数、浸泡30 min后水浸出物含量及第1次开汤茶汤的理化成分进行分析。结果 第1次开汤和冲泡30 min后水浸出物含量依次为炒条>揉捻=排把>理条;感官审评综合得分的滋味和香气均是理条和排把高于揉捻和炒条;可溶性糖、氨基酸、儿茶素总量均是炒条>揉捻>排把>理条,黄酮类物质与咖啡碱含量均是理条>炒条>揉捻>排把,多酚类含量为排把>炒条>理条>揉捻,叶绿素a、叶绿素b及叶绿素总量均是炒条>理条>排把>揉捻;主成分分析表明,4种不同做形工艺信阳毛尖差距明显。结论 不同做形工艺第1次开汤茶汤的化学成分变化规律不一致;排把做形茶样外形最佳,理条做形茶样汤色、滋味最佳,排把、理条做形茶样香气并列第一,排把做形茶样综合感官品质得分最高。

    Abstract:

    Objective To explore the effects of shaping methods on the quality of Xinyang Maojian.Methods Fresh leaves (one bud and one leaf) from the Xinyang group tea cultivar are used as raw materials. Tea samples are prepared with four different processing techniques. Analysis was conducted based on sensory evaluation, water extract content under multiple infusions and after 30 minutes of brewing, and the physical and chemical components of the first infusion of tea.Results The content of water extract in the first infusion and after 30 minutes of brewing is in order of frying>rolling=kneading>carding. The comprehensive sensory evaluation scores show that both taste and aroma are higher in samples processed by carding and kneading than in those by rolling and frying. The content of soluble sugars, amino acids, and total catechins is in descending order of frying>rolling>kneading>carding. The content of flavonoids and caffeine is in descending order of carding>frying>rolling>kneading. The polyphenol content is in descending order of kneading>frying>carding>rolling. The content of chlorophyll a, chlorophyll b, and total chlorophyll, from highest to lowest, is frying>carding>kneading>rolling. Principal component analysis score plots show significant differences in Xinyang Maojian obtained from the four different shaping techniques.Conclusion The first infusion of tea with different shaping techniques has different chemical composition change patterns. The kneading shaped tea sample has the best appearance, while the carding shaped tea sample has the best tea infusion color and taste. The aroma of kneading and carding shaped tea samples is tied for first place. The kneading shaped tea sample achieves the highest comprehensive sensory quality score.

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陈义,张寒雪,孙慕芳,等.做形方式对信阳毛尖水浸出物及化学成分的影响[J].食品与机械,2026,42(8):198-204.
Chen Yi, Zhang Hanxue, Sun Mufang, et al. Effects of shaping methods on water extract and chemical composition of Xinyang Maojian[J]. Food & Machinery,2026,42(8):198-204.

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  • 收稿日期:2025-06-06
  • 最后修改日期:2025-12-17
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  • 在线发布日期: 2026-09-22
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