| 光谱学与光谱分析 |
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| Analysis and Discrimination of Collocalia Esculenta L. via FTIR Spectroscopy |
| DENG Yue-e1, 2, SUN Su-qin1*, ZHOU Qun1, LI Ao3 |
1. Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology(Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
2. Department of Chemical Engineering, Henan Institute of Science and Technology, Xinxiang 453003, China
3. Shenzhen Taitai Pharmaceutical Industry Co. Ltd., Shenzhen 518008, China |
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Abstract Collocalia esculenta L. is called Yanwo in China. Thirty kinds of dry yanwo were identified by Fourier transform infrared spectroscopy (FTIR) . The results indicated that there were some obvious differences in FTIR between the dry yanwo and the natural yanwo, mainly represented in some absorption peaks of protein, amino acid (1 634, 1 535 cm-1) and amylase (1 034 cm-1). Meanwhile, the shape, position and intensity of the peaks from methylene (2 935 cm-1), protein and amino acid (1 647, 1 533, 1 447 cm-1) in dry yanwo were similar to those of the glutin. Therefore, different amounts of glutin were added in dry yanwo samples. The content of candy in some dry candy yanwo products was as high as 99%, but the content of yanwo was only 1%. The characteristic peaks of yanwo in these products even could not be found. So the quality of yanwo in the market could not be guaranteed from these results. FTIR is fast and direct to analyse and evaluate the quality of yanwo product.
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Received: 2005-06-28
Accepted: 2005-09-16
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Corresponding Authors:
SUN Su-qin
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| Cite this article: |
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DENG Yue-e,SUN Su-qin,ZHOU Qun, et al. Analysis and Discrimination of Collocalia Esculenta L. via FTIR Spectroscopy[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(07): 1242-1245.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I07/1242 |
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[2] SHEN Bao-an(沈保安). Current Research on Indentification of Chinese Medicine(中药鉴定现代研究). Beijing:Traditional Chinese Medicine Press (北京：中国中医药出版社)，1998. 213.
[3] SUN Su-qin，ZHOU Qun，LIANG Xi-yun，et al(孙素琴, 周 群, 梁曦云, 等). Spectroscopy and Spectral Analysis(光谱学与光谱分析)，2002，22(4)：600.
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