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| 黑木耳霉变前后的傅里叶变换红外光谱研究 | |
| 引用本文： | Shi YM,Liu G,Sun YL,Wei SX,Yan CQ. 黑木耳霉变前后的傅里叶变换红外光谱研究[J]. 光谱学与光谱分析, 2011, 31(3): 644-646. DOI: 10.3964/j.issn.1000-0593(2011)03-0644-03 |
| 作者姓名： | Shi YM Liu G Sun YL Wei SX Yan CQ |
| 作者单位： | 1. 曲靖师范学院物理与电子工程学院,云南,曲靖,655011 2. 云南师范大学物理系,云南,昆明,650092 3. 曲靖师范学院科技处,云南曲靖,655011 |
| 摘 要： | 为了检验红外光谱技术在食品安全上的判断能力,利用傅里叶变换红外光谱仪测试了未霉变黑木耳和霉变黑木耳样晶的红外光谱.对比它们的红外光谱,两者在羟基和氨基叠加吸收峰、脂类物质吸收峰的频率位置上有较大差异,分别相差23.31和13.42 cm<'-1>.对羟基和氨基的叠加吸收带进行曲线拟合,发现霉变前后羟基和氨基的比例发生较... |
| 关 键 词： | 黑木耳 傅里叶变换红外光谱 曲线拟合 |
Studies on normal and mildewy Auricularia auricular by Fourier transform infrared spectroscopy |
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| Shi You-ming,Liu Gang,Sun Yan-lin,Wei Sheng-xian,Yan Cui-qiong. Studies on normal and mildewy Auricularia auricular by Fourier transform infrared spectroscopy[J]. Spectroscopy and Spectral Analysis, 2011, 31(3): 644-646. DOI: 10.3964/j.issn.1000-0593(2011)03-0644-03 | |
| Authors: | Shi You-ming Liu Gang Sun Yan-lin Wei Sheng-xian Yan Cui-qiong |
| Affiliation: | Department of Physics, Qujing Normal University, Qujing 655011, China. sym8295@163.com |
| Abstract: | In order to verify the capability of Fourier transform infrared spectroscopy in food safety, Fourier transform infrared spectroscopy (FTIR) was used to obtain the spectra of normal and mildewy auricularia auricula, The result showed the frequency of hydroxyl and aliphatic absorption band in their spectra had evident differentia, with the dispersion being 23.31 and 13.41 cm(-1) respectively. The curve-fitting analysis was used for the fold peaks of hydroxyl and amido, and it presented that the content of hydroxyl and amido had evident change. The substances in the auricularia auricula generated chemical change, and Fourier transform infrared spectroscopy could show the differentia easily. The results show that Fourier transform infrared spectroscopy can provide valuable information about the auricularia auricula. It could be used as a reference method for identification of the normal and mildewy auricularia auricula. |
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