Abstract：A prediction discrimination model of fresh and stale rice was established based on Raman Spectroscopy and Chemometrics. The pretreatment processes have to be employed before the experiment. A total of 60 samples were put in the special box. The samples were measured by 785nm Raman spectrometer, which can collect spectral range of 200~2 400 cm-1. Smoothing, baseline correction were conducted to process the raw spectra. Principal Component Analysis (PCA) was employed to reduce dimension analysis of full-wave band of fresh and stale rice, and it could classify the samples preliminarily. The discrimination model was developed with Partal Least Squares (PLS). The correct classification rates in the training set and prediction set were 100% and 95%, respectively. The results in this research indicated it is a quickly useful method to discriminate between fresh and stale rice.
赵 迎，李 明，王小龙，李小佳. 基于拉曼光谱技术鉴别新陈大米的方法研究[J]. 光谱学与光谱分析, 2019, 39(05): 1468-1471.
ZHAO Ying, LI Ming, WANG Xiao-long, LI Xiao-jia. Study on Rapid Discrimination of Fresh and Stale Rice Based on Raman Spectroscopy. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2019, 39(05): 1468-1471.
[1] HOU Cai-yun, LI Hui-yuan, SHANG Yan-fen, et al(侯彩云，李慧园，尚艳芬，等). Journal of the Chinese Cereals and Oils Association(中国粮油学报), 2003, 18(4): 80.
[2] ZHANG Yu-rong, ZHOU Xian-qing, YANG Lan-lan(张玉荣, 周显青, 杨兰兰). Journal of the Chinese Cereals and Oils Association(中国粮油学报), 2009, 24（8）: 155.
[3] ZHOU Xian-qing, ZHANG Yu-rong(周显青, 张玉荣). Cereal & Feed Industry(粮食与饲料工业), 2011, （5）: 37.
[4] RUI Chuang, LIU Ying, SUN Jian-ping(芮 闯, 刘 莹, 孙建平). Food Science and Technology(食品科技), 2012, 37（3）: 164.
[5] HAN Xiao-zhen，GUO Zheng-ye，KANG Yan，et al（韩孝联，郭正也，康 燕，等）. Acta Optica Sinica（光学学报）, 2015, 35(1)：130003.
[6] SUN Juan，ZHANG Hui，WANG Li，et al（孙 娟，张 晖，王 立，等）. Food & Machinery（食品与机械），2016, 32(1)：41.
[7] HUANG Ya-wei, ZHANG Ling, WANG Ruo-lan（黄亚伟，张 令，王若兰）. Modern Food Science and Technology（现代食品科技），2014, 30(12)：149.
[8] SUN Lu, CHEN Bin, GAO Rui-chang, et al（孙 璐，陈 斌，高瑞昌，等）. Journal of Chinese Institute of Food Science and Technology（中国食品学报），2012, 12(12)：113.
[9] ZHAO Xiao-rong, ZHANG Lan-tian, WANG Li-jun, et al(赵肖蓉，张兰天，王利军，等). The Food Industry（食品工业）, 2012, 33(12)：158.
[10] Lee H，Cho B K，Kim M S, et al. Sensors and Actuators B: Chemical, 2013, 185: 694.
