Research Article

Quantitative Identification of Adulterated Sichuan Pepper Powder by Near-Infrared Spectroscopy Coupled with Chemometrics

Table 1

30 species of Sichuan pepper used in this study.

Producing areaNumberSpecies

Zigong1Zanthoxylum bungeanum Maxim. (red Sichuan pepper)
Maowen2Zanthoxylum bungeanum Maxim. (red Sichuan pepper)
Chengdu1Zanthoxylum bungeanum Maxim. (red Sichuan pepper)
Hanyuan2Zanthoxylum bungeanum Maxim. (red Sichuan pepper)
Hanyuan1Zanthoxylum schinifolium Sieb. et Zucc. (green Sichuan pepper)
Qingchuan1Zanthoxylum schinifolium Sieb. et Zucc. (green Sichuan pepper)
Jinyang1Zanthoxylum schinifolium Sieb. et Zucc. (green Sichuan pepper)
Chongqing4Zanthoxylum bungeanum Maxim. (red Sichuan pepper)
Chongqing3Zanthoxylum schinifolium Sieb. et Zucc. (green Sichuan pepper)
Jiangjin1Zanthoxylum schinifolium Sieb. et Zucc. (green Sichuan pepper)
Leling1Zanthoxylum bungeanum Maxim. (red Sichuan pepper)
Leling1Zanthoxylum schinifolium Sieb. et Zucc. (green Sichuan pepper)
Hancheng3Zanthoxylum bungeanum Maxim. (red Sichuan pepper)
Zhenfeng1Zanthoxylum bungeanum Maxim. (red Sichuan pepper)
Guanling2Zanthoxylum schinifolium Sieb. et Zucc. (green Sichuan pepper)
Kunming1Zanthoxylum bungeanum Maxim. (red Sichuan pepper)
Kunming2Zanthoxylum schinifolium Sieb. et Zucc. (green Sichuan pepper)
Zhaotong2Zanthoxylum schinifolium Sieb. et Zucc. (green Sichuan pepper)