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Quantitative Identification of Adulterated Sichuan Pepper Powder by Near-Infrared Spectroscopy Coupled with Chemometrics
Joint Authors
Zhu, Shiping
Wu, Xi-Yu
Huang, Hua
Xu, Dan
Source
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-05-17
Country of Publication
Egypt
No. of Pages
7
Abstract EN
Sichuan pepper is a traditional and important flavoring of Chinese cuisine.
It has attracted increasing interest in recent years owning to its unique taste and aroma.
However, some cheap adulterants have been illegally found in Sichuan pepper powder in the market due to merchants trying to cut costs and gain an extra profit.
In order to determine the compositions of Sichuan pepper powder quickly and effectively, a direct detection method using near-infrared (NIR) spectroscopy has been developed.
462 samples of adulterated Sichuan pepper powder mixed with different amounts of wheat bran, rice bran, corn flour, and rosin powder were studied.
The NIR spectra data was studied using partial least squares (PLS) analysis.
The method was found to be capable of predicting the compositions of adulterated Sichuan pepper powder.
The determination coefficients of prediction set (Rp2) with the best pretreatments were 0.971 for Sichuan pepper powder, 0.948 for rice bran, 0.969 for wheat bran, 0.967 for corn flour, and 0.994 for rosin powder, respectively.
The standard errors of prediction (SEP) were 2.81%, 2.38%, 3.19%, 2.46%, and 1.10%, respectively.
The results showed that NIR spectroscopy with chemometrics is a rapid and nondestructive tool for the quantitative analysis of adulterated Sichuan pepper powder.
American Psychological Association (APA)
Wu, Xi-Yu& Zhu, Shiping& Huang, Hua& Xu, Dan. 2017. Quantitative Identification of Adulterated Sichuan Pepper Powder by Near-Infrared Spectroscopy Coupled with Chemometrics. Journal of Food Quality،Vol. 2017, no. 2017, pp.1-7.
https://search.emarefa.net/detail/BIM-1175906
Modern Language Association (MLA)
Wu, Xi-Yu…[et al.]. Quantitative Identification of Adulterated Sichuan Pepper Powder by Near-Infrared Spectroscopy Coupled with Chemometrics. Journal of Food Quality No. 2017 (2017), pp.1-7.
https://search.emarefa.net/detail/BIM-1175906
American Medical Association (AMA)
Wu, Xi-Yu& Zhu, Shiping& Huang, Hua& Xu, Dan. Quantitative Identification of Adulterated Sichuan Pepper Powder by Near-Infrared Spectroscopy Coupled with Chemometrics. Journal of Food Quality. 2017. Vol. 2017, no. 2017, pp.1-7.
https://search.emarefa.net/detail/BIM-1175906
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1175906