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茶叶中3类主要组分的近红外光谱分析作为茶叶质量的快速评定方法 被引量:30
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作者 徐立恒 吕进 +1 位作者 林敏 孙耀国 《理化检验(化学分册)》 CAS CSCD 北大核心 2006年第5期334-336,共3页
应用近红外光谱法测定了与茶叶品质密切相关的茶多酚、氨基酸及咖啡碱三类化合物。用PLS计算法建立了表示上述组分的二阶导数近红外光谱与其含量间关系的分析模型。根据相关分析模型计算所得的组分含量的结果与用国家标准方法测得的对... 应用近红外光谱法测定了与茶叶品质密切相关的茶多酚、氨基酸及咖啡碱三类化合物。用PLS计算法建立了表示上述组分的二阶导数近红外光谱与其含量间关系的分析模型。根据相关分析模型计算所得的组分含量的结果与用国家标准方法测得的对应组分的含量达到一致。所提出的方法可作为评定茶叶品质的快速方法。 展开更多
关键词 近红外光谱法 PLS算法 茶多酚 氨基酸 咖啡碱 茶叶评定
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A Review on the Identification Indicators of Tea Germplasm
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作者 J. M. Tang Y. S. Li Q Tang 《Journal of Agricultural Science and Technology(B)》 2011年第1期1-7,共7页
Tea plant is cross pollinated plant, it forms a variety of the tea Germplasm constantly in the long-term breeding process. Tea Germplasm resources are the material foundation for improving varieties and also the basic... Tea plant is cross pollinated plant, it forms a variety of the tea Germplasm constantly in the long-term breeding process. Tea Germplasm resources are the material foundation for improving varieties and also the basic research which is good for developing and expanding tea well-bred varieties in tea field, especially in quality selection and biotechnology research. Furthermore, excellent tea germplasm is primary condition for tea breeding and quality. Therefore, identification and screening excellent tea germplasm become particularly important. We need accelerate develop high-quality tea varieties, and it need to base on exploring and studying tea germplasm. This paper reviews the research progress of tea germplasm on identification from morphological characteristic, biological characteristic, quality characteristic, resistance and heredity. However, there are still some problems on identification and screening of tea germplasm, no effective methods have been found so far which apply on early identification and genetic engineering, so we should make intensive and long lasting study tea germplasm and analyze systematically various identification, which are benefit for breeding high-quality seeds, shortening the breeding period and summing the new way of breeding. We expect them to play the key roles and provide the theory basis for genetic improvement, classification and breeding in tea plant. 展开更多
关键词 TEA germplasm resources identification indicators review.
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