Traceability of Wine Varieties Using Near Infrared Spectroscopy Combined with Cyclic Voltammetry
LI Meng-hua1, LI Jing-ming2*, LI Jun-hui1, ZHANG Lu-da1, ZHAO Long-lian1*
1. College of Information & Electrical Engineering, China Agricultural University, Beijing 100083, China 2. College of Food Science & Nutrition Engineering, China Agricultural University, Beijing 100083, China
Abstract：To achieve the traceability of wine varieties, a method was proposed to fuse Near-infrared (NIR) spectra and cyclic voltammograms (CV) which contain different information using D-S evidence theory. NIR spectra and CV curves of three different varieties of wines (cabernet sauvignon, merlot, cabernet gernischt) which come from seven different geographical origins were collected separately. The discriminant models were built using PLS-DA method. Based on this, D-S evidence theory was then applied to achieve the integration of the two kinds of discrimination results. After integrated by D-S evidence theory, the accuracy rate of cross-validation is 95.69% and validation set is 94.12% for wine variety identification. When only considering the wine that come from Yantai, the accuracy rate of cross-validation is 99.46% and validation set is 100%. All the traceability models after fusion achieved better results on classification than individual method. These results suggest that the proposed method combining electrochemical information with spectral information using the D-S evidence combination formula is benefit to the improvement of model discrimination effect, and is a promising tool for discriminating different kinds of wines.
Key words：Red wine;Variety;Near Infrared Spectroscopy;Cyclic Voltammetry;D-S evidence theory
李梦华1，李景明2*，李军会1，张录达1，赵龙莲1* . 近红外光谱法与循环伏安电化学法联用进行葡萄酒品种溯源研究 [J]. 光谱学与光谱分析, 2015, 35(06): 1551-1555.
LI Meng-hua1, LI Jing-ming2*, LI Jun-hui1, ZHANG Lu-da1, ZHAO Long-lian1* . Traceability of Wine Varieties Using Near Infrared Spectroscopy Combined with Cyclic Voltammetry. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2015, 35(06): 1551-1555.
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