Citation: GUO Wei-Qing, KONG Hao-Hui, WU Jun-Zhang, GAN Feng. Rapid Evaluation of Volatile Organic Compounds in Tobacco Package Materials by Sensor Array Coupled with Chemometrics[J]. Chinese Journal of Analytical Chemistry, ;2018, 46(11): 1785-1793. doi: 10.11895/j.issn.0253-3820.181467 shu

Rapid Evaluation of Volatile Organic Compounds in Tobacco Package Materials by Sensor Array Coupled with Chemometrics

¹ School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China;
² Technology Center, China Tobacco Guangdong Industrial Co., Ltd., Guangzhou 510385, China

Received Date: 18 July 2018
Revised Date: 21 September 2018

Fund Project: This work was supported by the China Tobacco Guangdong Industrial Co., Ltd. (No. 05XM-QK[2012]019) and National Natural Science Foundation of China (No. 20875106).

Sensor array was used to rapidly evaluate the composition and content of volatile organic compounds (VOCs) in tobacco package materials. Abstract odor factor maps (AOFMs) extracted from signal data of sensor array were used as characteristic map of samples, and then similarity measure was implemented to evaluate VOCs in samples. By using this method, 8 types of packing paper samples with different VOCs and 2 types of packing paper samples with similar composition and content of VOCs were determined. As comparisons, principal component analysis (PCA) only discriminated 2 types of samples and parallel factor analysis (PARAFAC) discriminated 6 samples. Hence, similarity measurement of AOFMs provided higher recognition accuracy than the other two methods. The advantages of this method were in three aspects, basing on a correct signal model targeted to sensor array, employing an objective and well-defined evaluation standard, and using standard deviation of samples' signal data to assist evaluation.
- Sensor array,
- Abstract odor factor maps,
- Similarity measurement,
- Volatile organic compounds,
- Package materials
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