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Maca adulteration detected with VideometerLab

New paper shows that adulteration of maca root (Lepidium meyenii) slices and powders with turnip can be detected with VideometerLab.

The authors conclude "The results demonstrated that clear differences between Maca and turnip could be easily visualized by PCA. The predictive accuracies by SVM model for Maca and turnip slices were 98.33% and 100%, respectively, and the predictive accuracies by GA-SVM and BPNN model could be as high as 100%. The other is the identification of Maca powder. [...] In conclusion, the research results provide a method for the rapid and non-destructive identification of Maca authenticity."



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