11108422493?profile=RESIZE_180x180The authors of a recent study (here – purchase required) investigated the effect of using different chemometric models to differentiate rice varieties using the same multivariate technique (Raman spectroscopy, also using FT-IR as a comparator) and the same reference sets of authentic rice.  They found a significant difference between method performance depending on the classification model underpinning the chemometrics.  They reported the optimum model to be Supervised Kohonen Map with Multiplicative Scatter Correction (SKM + MSC).  They have proposed a Raman spectroscopy protocol which gives a reliable and rapid point-of-use screening test for rice grain variety.

Photo by Pierre Bamin on Unsplash

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