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Rice authentication: An overview of different analytical techniques combined with multivariate analysis
Ist Teil von
Journal of food composition and analysis, 2022-09, Vol.112, p.104677, Article 104677
Ort / Verlag
Elsevier Inc
Erscheinungsjahr
2022
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
The authenticity of rice has become an important issue over the last few years. Many techniques have been employed in rice authentication including geographical origin, cultivar discrimination, organic rice authenticity, and impurities detection in rice. This review paper is attempted to highlight the current literature (past twenty years) on the discrimination and authentication of rice using different analytical techniques coupled with multivariate analysis. In recent literature, IRMS and ICPMS provide effective information for geographical identification, cultivar discrimination as well as authenticity regarding farming methods (organic vs conventional) of rice samples. Similarly, spectroscopic methods showed great potential regarding cultivar discrimination and organic rice authenticity. DNA-based methods provide valuable insights in detecting adulteration and cultivar discrimination while omic analysis was very effective in detecting adulterants from rice samples. Regarding multivariate analysis, PCA and HCA, the most common unsupervised methods used to visualize and reduce large data matrices into fewer variables before data processing. In addition, ANN, KNN, LDA, PLS-DA, SIMCA, and SVM were the most common supervised techniques which were performed to process the data obtained from different analytical techniques for rice authentication.
•Analytical techniques combined with multivariate analysis to determine the authenticity of rice.•Geographical, botanical, and organic authenticity of rice.•Detection of adulteration in rice and rice products.