Quality Anlysis of the before Redrying Raw Tobacco & after Redrying Sheet Tobacco by Using Online Near Infrared Spectroscopy
TANG Zhao-qi1, LIU Ying2, SHU Ru-xin1, YANG Kai1, ZHAO Long-lian2, ZHANG Lu-da3, ZHANG Ye-hui2, LI Jun-hui2*
1. Technology Center of Shanghai Tobacco (Group) Corporation, Shanghai 200081, China 2. College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China 3. College of Science, China Agricultural University, Beijing 100083, China
Abstract：In this paper, the 7 different origin before redrying raw tobacco & after redrying sheet tobacco’s online near infrared spectroscopy were collected from sorting & redrying production line specifically for “ZHONGHUA” brand. By using the projection model bulit by different origin tobacco’s online spectroscopy and the method of variance and correlation analysis, we studied the uniformity and similarity quality characteristics change before and after the redrying of tobacco, which can provide support for understanding the quality of the tobacco material and cigarette product formulations. This study show that selecting about 10 000 by equally spaced sampling time from a huge number of online near infrared spectroscopy, for modeling are feasible, and representative. After manual sorting, threshing, and redrying, the uiformity of each origin tobacco near-infrared spectroscopy can be increased by 10%～35%，homogeneity of the tobacco leaf has been significantly improved. After redrying, the similar relationship embodied in the origin also have significant changes, overall it reduce significantly, that shows the quality differences embodied by origin significantly improve, which can provide greater space for formulations, it shows the need for high-quality Chinese cigarette production requires large amounts of financial and human resources to implement cured tobacco processing. The traditional means of chemical analysis, it takes a lot of time and effort, it is difficult to control the entire processing chain, Near Infrared Spectroscopy with its rapid, non-destructive advantage, not only can achieve real-time detection and quality control, but also can take full advantage of near-infrared spectroscopy information created in the production process, which is a very promising online analytical detection technology in many industries especially in the agricultural and food processing industries.
Key words：Near-Infrared;Online;Before redrying raw tobacco;After redrying sheet tobacco
汤朝起1，刘 颖2，束茹欣1，杨 凯1，赵龙莲2，张录达3，张晔晖2，李军会2* . 应用在线近红外光谱分析复烤前后原烟及片烟的质量特性 [J]. 光谱学与光谱分析, 2014, 34(12): 3273-3276.
TANG Zhao-qi1, LIU Ying2, SHU Ru-xin1, YANG Kai1, ZHAO Long-lian2, ZHANG Lu-da3, ZHANG Ye-hui2, LI Jun-hui2*. Quality Anlysis of the before Redrying Raw Tobacco & after Redrying Sheet Tobacco by Using Online Near Infrared Spectroscopy . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2014, 34(12): 3273-3276.
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