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1. 华南师范大学 生物光子学研究院&amp
2. 光子中医实验室, 广东 广州 510631
纸质出版日期:2013-2-10,
收稿日期:2012-11-6,
修回日期:2012-12-19,
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郑玲, 赵燕平. 不同发酵时间普洱茶的表面增强拉曼光谱鉴别分析[J]. 发光学报, 2013,34(2): 230-234
ZHENG Ling, ZHAO Yan-ping. Identification of Pu'er Teas with Different Fermentation Time by Surface-enhanced Raman Scattering Technology[J]. Chinese Journal of Luminescence, 2013,34(2): 230-234
郑玲, 赵燕平. 不同发酵时间普洱茶的表面增强拉曼光谱鉴别分析[J]. 发光学报, 2013,34(2): 230-234 DOI: 10.3788/fgxb20133402.0230.
ZHENG Ling, ZHAO Yan-ping. Identification of Pu'er Teas with Different Fermentation Time by Surface-enhanced Raman Scattering Technology[J]. Chinese Journal of Luminescence, 2013,34(2): 230-234 DOI: 10.3788/fgxb20133402.0230.
发现一种鉴定普洱茶不同发酵时间的快速、简便、科学的方法
通过利用激光共聚焦拉曼光谱仪
采用表面增强拉曼光谱技术(SERS)
在600~1 800 cm
-1
波数段分析了4种发酵时间普洱茶标准品的SERS光谱异同点
发现在 655
732
959
1 238 cm
-1
等较为明显的特征峰处存在着明显的差异。研究了普洱茶发酵过程中茶多酚、含氮化合物、有机酸和糖类物质的含量变化规律
通过SERS光谱分析
为鉴定普洱茶的品质提供了一种科学、简便、快捷的光学方法。
We demonstrate a fast
simple and scientific method to identify the Pu'er teas with different fermentation time by using surface-enhanced Raman scattering (SERS) technology at range of 600~1 800 cm
-1
.The results indicate that there exist many peaks at 655
732
959
1 238 cm
-1
. The realationship between fermentation time and the content of tea polyphenol
nitrogenous compounds
organic acid and sugar material in Pu'er teas are discussed. This way can provide a fast
simple and scientific optical method to identify the Pu'er teas with different fermentation time.
普洱茶表面增强拉曼光谱发酵时间鉴别
Pu'er teasurface enhanced Raman scatteringfermentation yearsidentification
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