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Determining the geographical origin and cultivation methods of Shanghai special rice using NIR and IRMS

文献类型： 外文期刊

作者： Liu, Xing 1 ; Bai, Bin 3 ; Rogers, Karyne M. 4 ; Wu, Dan 3 ; Qian, Qunli 1 ; Qi, Fang 1 ; Zhou, Jiaxin 1 ; Yao, Chunxia 1 ; Song, Weiguo 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Agrofood Stand & Testing Technol, Shanghai 201403, Peoples R China

2.Shanghai Serv Platform Agroprod Qual & Safety Eval, Shanghai 201403, Peoples R China

3.Hunan Hybrid Rice Res Ctr, State Key Lab Hybrid Rice, Changsha 410125, Hunan, Peoples R China

4.Natl Isotope Ctr, GNS Sci, 30 Gracefield Rd, Lower Hutt 5040, New Zealand

关键词： Shanghai special rice; Geographical origin; Cultivation methods; Near infrared spectroscopy; Stable isotopes; Chemometrics

期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）

ISSN： 0308-8146

年卷期： 2022 年 394 卷

页码：

收录情况： SCI

摘要： Songjiang CPB rice (cultivated by a 'combination of planting and breeding') and Chongming NCFP rice (cultivated by using 'no chemical fertilizers and pesticides') are two high quality special rice products developed for Shanghai urban agriculture. Protecting these products from geographical origin mislabeling or cultivation method fraud are very important. To verify the origin of Songjiang and Chongming rice and discriminate their cultivation methods (CPB or N (non) CPB, NCFP or chemical fertilizers and pesticides (CFP)), NIR and IRMS methods combined with chemometrics were developed. Results showed complete separation of Songjiang and Chongming rice from other geographic origins using NIR combined with PLSDA and LVQNN; CPB and NCPB Songjiang rice could be completely identified using NIR or IRMS, while the optimal identification accuracy rate of NCFP from CFP in Chongming rice was 87.5%. It provided a rapid and robust method to identify the origin and cultivation methods of Shanghai special rice.

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