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Prediction of chemical indicators for quality of Zanthoxylum spices from multi-regions using hyperspectral imaging combined with chemometrics

文献类型： 外文期刊

作者： Wang, Youyou 1 ; Yang, Jian 1 ; Yu, Shuan 2 ; Fu, Haiyan 3 ; He, Song 3 ; Yang, Bin 4 ; Nan, Tiegui 1 ; Yuan, Yuwei 5 ; Huang, Luqi 1 ;

作者机构： 1.China Acad Chinese Med Sci, Natl Resource Ctr Chinese Mat Med, State Key Lab Breeding Base Dao di Herbs, Beijing, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Res Ctr Informat Technol, Beijing, Peoples R China

3.South Cent Univ Nationalities, Modernizat Engn Technol Res Ctr Ethn Minor Med Hub, Sch Pharmaceut Sci, Wuhan, Peoples R China

4.China Acad Chinese Med Sci, Inst Chinese Mat Med, Beijing, Peoples R China

5.Minist Agr & Rural Affairs China, Inst Agroprod Safety & Nutr, Zhejiang Acad Agr Sci, Key Lab Informat Traceabil Agr Prod, Hangzhou, Peoples R China

关键词： Zanthoxylum spices; antioxidant; alkylamide; volatile oil; hyperspectral imaging; chemometric

期刊名称：FRONTIERS IN SUSTAINABLE FOOD SYSTEMS （ 影响因子：5.005； 五年影响因子：5.49 ）

ISSN：

年卷期： 2022 年 6 卷

页码：

收录情况： SCI

摘要： Fruits of Zanthoxylum bungeanum Maxim (Red "Huajiao," RHJ) and Z. schinifolium Sieb. et Zucc. (Green "Huajiao," GHJ) are famous spices around the world. Antioxidant capability (AOC), total alkylamides content (TALC) and volatile oil content (VOC) in HJ are three important quality indicators and lack rapid and effective methods for detection. Non-destructive, time-saving, and effective technology of hyperspectral imaging (HSI) combined with chemometrics was adopted to improve the indicators prediction in this study. Results showed that the three chemical indexes exhibited significant differences between different regions and varieties (P < 0.05). Specifically, the mass percentages of TALC were 11-22% in RHJ group and 21-36% in GHJ group. The mass percentages of VOC content were 23-31% and 16-24% in RHJ and GHJ groups, respectively. More importantly, these indicators could be well predicted based on the full or effective HSI wavelengths via model adaptive space shrinkage (MASS) and iteratively variable subset optimization (IVSO) selections combined with wavelet transform (WT) method for noise reduction. The best prediction results of AOC, TALC, and VOC indicators were achieved with the highest residual predictive deviation (RPD) values of 7.43, 7.82, and 3.73 for RHJ, respectively, and 6.82, 2.66, and 4.64 for GHJ, respectively. The above results highlight the great potential of HSI assisted with chemometrics in the rapid and effective prediction of chemical indicators of Zanthoxylum spices.

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