Spectroscopy and Spectral Analysis, Volume. 30, Issue 2, 353(2010)

Study on the Identification of Six Kinds of Bee Pollens by Three-Step Infrared Macro-Fingerprint Method

WU Jie1,2, ZHOU Qun3, WU Li-ming1, AN Jian-dong1, SUN Su-qin3、*, and HU Fu-liang2
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  • 1[in Chinese]
  • 2[in Chinese]
  • 3[in Chinese]
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    Six kinds of bee pollens, including apricot pollen, lotus pollen, rape pollen, camellia pollen, watermelon pollen and corn poppy pollen, were identified non-destructively by Fourier transform infrared spectroscopy (FTIR) combined with derivative spectra and two-dimensional correlation spectroscopy (2D) in the present article. Compared with conventional IR spectra of samples, some certain differences were found in the characteristic peaks of proteins, lipids and carbohydrates. Obvious differences of the six kinds of bee pollens were found in the second derivative spectra. And in the 2D-IR correlation spectra, the samples presented the differences in the position and intensity of the autopeaks and correlation peak clusters. Therefore, the three-step IR macro-fingerprint provides a more rapid and effective method for the identification of different kinds of bee pollens.

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    WU Jie, ZHOU Qun, WU Li-ming, AN Jian-dong, SUN Su-qin, HU Fu-liang. Study on the Identification of Six Kinds of Bee Pollens by Three-Step Infrared Macro-Fingerprint Method[J]. Spectroscopy and Spectral Analysis, 2010, 30(2): 353

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    Paper Information

    Received: Mar. 10, 2009

    Accepted: --

    Published Online: Jul. 23, 2010

    The Author Email: Su-qin SUN (sunsq@tsinghua.edu.cn)

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