Fourier Transform Infrared Spectroscopic Study of Truffles
ZHAO De-zhang1, LIU Gang1*, SONG Ding-shan2, LIU Jian-hong3, ZHOU Yi-lan4, OU Jia-ming1, SUN Shi-zhong3
1. Department of Physics, Yunnan Normal University, Kunming 650092, China 2. Kunming Institute of Edible Fungi, Kunming 650223, China 3. Center of Analysis and Testing, Yunnan Normal University, Kunming 650092, China 4. Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, China
Abstract:Truffles, which belong to ascomycetes, are rare wild growing edible mushrooms; their fruit body contains high nutritive value composition, and their polysaccharide constituents have potential medical applications. In the present paper, Fourier transform infrared (FTIR) spectroscopy was used for obtaining vibrational spectra of mushrooms of truffles growing in mountains of Yunnan province, southwest China. The results show that the mushrooms exhibit characteristic spectra. The two strongest absorption bands appear at about 1 077 and 1 042 cm-1, respectively. The spectra exhibit complicated patterns between 1200 and 750 cm-1, which may be used as fingerprints to discriminate different species of truffles. Great changes were also found between mold and healthy truffles, showing major differences observed in the bands of protein. In addition, some vibrational-spectrum differences were observed among the same species of truffles from different growing areas. It is showed that FTIR can provide valuable information about the chemical constituents of intact truffles prior to any extraction method is used.
赵德璋1,刘刚1*,宋鼎珊2,刘剑虹3,周翊蓝4,欧家鸣1,孙世中3 . 块菌的傅里叶变换红外光谱研究[J]. 光谱学与光谱分析, 2006, 26(08): 1445-1448.
ZHAO De-zhang1, LIU Gang1*, SONG Ding-shan2, LIU Jian-hong3, ZHOU Yi-lan4, OU Jia-ming1, SUN Shi-zhong3 . Fourier Transform Infrared Spectroscopic Study of Truffles. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(08): 1445-1448.
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