To assess the indicative function of the fingerprint characteristics of mineral elements for small agricultural producing areas,20 sets of soil surface samples and corresponding rice samples were collected from Songyu...To assess the indicative function of the fingerprint characteristics of mineral elements for small agricultural producing areas,20 sets of soil surface samples and corresponding rice samples were collected from Songyuan and Hunchun of Jilin Province,China.Forty-six mineral elements of brown rice,soil,and rice husk were examined by inductively coupled plasma mass spectrometry.Ten characteristic elements(Li,Ag,Y,Bi,U,Eu,Er,Rb,Mo and As)were identified via multivariate statistics(Variance importance value analysis and rank sum test in SPSS and SIMCA software packages).The correlation of mineral elements in brown rice,soil,and rice husks of the two sample areas was analyzed and regression analysis models of characteristic mineral elements in brown rice were developed.The results indicate that a correlation exists among brown rice,soil,and rice husks in the same area,and the correlation tests using selected elements showed that all correlation coefficients were 0.65 or above.Differences in brown rice were found between different regions.Consequently,brown rice producing areas can be distinguished by the fingerprint characteristics of mineral elements.展开更多
The origin traceability of edible oil is an effective way to protect the legitimate rights and interests of producers and consumers.This review briefly summarizes research progress on origin traceability technologies ...The origin traceability of edible oil is an effective way to protect the legitimate rights and interests of producers and consumers.This review briefly summarizes research progress on origin traceability technologies for edible oils including stable isotope ratio mass spectrometry,mineral element fingerprint analysis,organic component fingerprint analysis,near-infrared spectroscopy,nuclear magnetic resonance technology and biochemical analysis.Moreover,the development trends in edible oil origin traceability technology were proposed.展开更多
基金Supported by National College Students'Innouation and Entrepreneurship Trainning Program(No.202110183249)。
文摘To assess the indicative function of the fingerprint characteristics of mineral elements for small agricultural producing areas,20 sets of soil surface samples and corresponding rice samples were collected from Songyuan and Hunchun of Jilin Province,China.Forty-six mineral elements of brown rice,soil,and rice husk were examined by inductively coupled plasma mass spectrometry.Ten characteristic elements(Li,Ag,Y,Bi,U,Eu,Er,Rb,Mo and As)were identified via multivariate statistics(Variance importance value analysis and rank sum test in SPSS and SIMCA software packages).The correlation of mineral elements in brown rice,soil,and rice husks of the two sample areas was analyzed and regression analysis models of characteristic mineral elements in brown rice were developed.The results indicate that a correlation exists among brown rice,soil,and rice husks in the same area,and the correlation tests using selected elements showed that all correlation coefficients were 0.65 or above.Differences in brown rice were found between different regions.Consequently,brown rice producing areas can be distinguished by the fingerprint characteristics of mineral elements.
基金This work was supported by the National Nature Foundation Committee of P.R.China(31871886,31671858)the earmarked fund for China Agriculture research system(CARS-12)+2 种基金the Hunan Provincial Natural Science Foundation of China(2019JJ40114)the Scientific Research Fund of Hunan Provincial Education Department,China(18A108)the Major Research plan of the Changsha(kq1801016).
文摘The origin traceability of edible oil is an effective way to protect the legitimate rights and interests of producers and consumers.This review briefly summarizes research progress on origin traceability technologies for edible oils including stable isotope ratio mass spectrometry,mineral element fingerprint analysis,organic component fingerprint analysis,near-infrared spectroscopy,nuclear magnetic resonance technology and biochemical analysis.Moreover,the development trends in edible oil origin traceability technology were proposed.
