| 6个种植区贵定鸟王群体种的主要理化品质及相关分析 |
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| 引用本文： | 杨慧,张涛,王雨鑫,王济红,刘建军,邓燕莉.6个种植区贵定鸟王群体种的主要理化品质及相关分析[J].南方农业学报,2022,53(2):372-380. |
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| 作者姓名： | 杨慧 张涛 王雨鑫 王济红 刘建军 邓燕莉 |
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| 作者单位： | 1 贵州大学茶学院, 贵阳 550025;2 贵州省生物研究所, 贵阳 550009 |
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| 基金项目： | 国家自然科学基金;贵州省科技厅基础研究项目;贵州省科技计划项目;贵州大学引进人才科研项目 |
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| 摘 要： | 【目的】探究原生地与引种区内贵定鸟王群体种的品质差异，为后续茶叶加工、资源选育与品种推广提供理论基础。【方法】对贵州省贵定鸟王群体种的3个原生地和3个引种区春季一芽一叶茶鲜叶的水浸出物、茶多酚、咖啡碱、氨基酸组分等生化成分及10种矿质元素进行测定，并进行氨基酸组分的主成分分析。【结果】原生地贵定鸟王群体种的水浸出物、茶多酚、咖啡碱的含量均高于引种区，云雾镇方家茶园的水浸出物和茶多酚含量最高为44.32%和27.40%，云雾镇鸟王村上坝组茶园的咖啡碱含量最高，为3.54%。原生地除云雾镇鸟王村上坝组茶园外，贵定鸟王群体种的氨基酸总量、鲜味和苦味氨基酸总量均低于引种区，且引种区的甜味氨基酸总量高于原生地。对氨基酸组分进行主成分分析，发现甜味氨基酸中的苏氨酸和脯氨酸及苦味氨基酸中的亮氨酸和苯丙氨酸的含量能较好地区分贵定鸟王群体种的原生地与引种区。原生地与引种区贵定鸟王群体种的Ca、Fe、Se、Zn、Mn和Mg等矿质元素含量差异较大，且Se含量符合富硒茶标准，原生地云雾镇中心茶场的Ca、Se、Zn、Mn和Mg等矿质元素含量最高；分别为305.42、2.52、22.33、419.86和252.19 mg/kg，都匀市黄河村茶园的Fe含量最高，为349.92 mg/kg。【结论】贵定鸟王群体种原生地与引种区的水浸出物、茶多酚、咖啡碱、氨基酸组分和矿质元素等生化成分含量差异较大，通过氨基酸组分的组成及含量特征可区分贵定鸟王群体种的原生地与引种区。
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| 关 键 词： | 贵定鸟王群体种 生化成分 氨基酸 矿质元素 主成分分析 |
| 收稿时间： | 2021-08-31 |
Comparative analysis of the main physicochemical quality and correlationanalysis of Camellia sinensis cv. Guiding-niaowangzhong in 6 planting areas |
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| YANG Hui,ZHANG Tao,WANG Yu-xin,WANG Ji-hong,LIU Jian-jun,DENG Yan-li.Comparative analysis of the main physicochemical quality and correlationanalysis of Camellia sinensis cv. Guiding-niaowangzhong in 6 planting areas[J].Journal of Southern Agriculture,2022,53(2):372-380. |
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| Authors: | YANG Hui ZHANG Tao WANG Yu-xin WANG Ji-hong LIU Jian-jun DENG Yan-li |
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| Affiliation: | 1 Tea College of Guizhou University, Guiyang 550025, China;2 Guizhou Institute of Biology, Guiyang 550009, China |
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| Abstract: | 【Objective】To explore the quality differences of Camellia sinensis cv. Guiding-niaowangzhong species population in the original areas and introduction areas,so as to provide a theoretical basis for further tea processing,resource breeding and variety promotion.【Method】The biochemical components such as water extract,tea polyphenols, caffeine,amino acid components and 10 mineral elements of fresh leaves of one bud and one leaf tea in spring in three original places and three introduction areas of C. sinensis cv. Guiding-niaowangzhong in Guizhou Province were determined,and the principal component analysis of amino acid components was carried out.【Result】The contents of water extract,tea polyphenol and caffeine in the C. sinensis cv. Guiding-niaowangzhong in the original areas are higher than those in the introduction areas. The highest contents of water extract and tea polyphenol in Fangjia tea garden in Yunwu Town were 44.32% and 27.40%,and the highest content of caffeine in Shangba formation tea garden in Niao-wang village in Yunwu town was 3.54%. Except for the tea garden of Shangba formation in Niaowang Village,Yunwu Town,the total amount of amino acids,umami and bitter amino acids of C. sinensis cv. Guiding-niaowangzhong in the original areas were lower than those in the introduction areas,and the total amount of sweet amino acids in the introduction areas was higher than that in the original areas. The principal component analysis of amino acid components was carried out,and it was found that the contents of threonine and proline in sweet amino acids and leucine and phenylalanine in bitter amino acids could be helpful for distinguishing the original areas and the introduction area of C. sinensis cv. Guiding-niaowangzhong. The contents of mineral elements such as Ca,Fe,Se,Zn,Mn and Mg of the C. sinensis cv. Guiding-niaowangzhong in the originaland introduced areas werequite different,and the content of Se meets the standard of selenium-rich tea. The contents of mineral elements such as Ca,Se,Zn,Mn and Mg in the central tea farm of Yunwu Town are the highest,305.42,2.52,22.33,419.86 and 252.19 mg/kg respectively, while the Fe content in the tea garden of Huanghe Village in Duyun City was the highest, 349.92 mg/kg.【Conclusion】The contents of water extract,tea polyphenols,caffeine,amino acid components and mineral elements are quite different between C. sinensis cv. Guiding-niaowangzhong in the original and introduction areas. According to the composition and content characteristics of amino acid components, the originaland introduction areas of C. sinensis cv. Guiding-niaowangzhong can be distinguished. |
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