Abstract
Maple syrup is a soft target of adulterators due to its simplicity in chemical composition. Fourier Transform (FT)Raman spectroscopy was used to detect adulterants such as cane and beet invert syrups as well as cane and beet sugarpresence in maple syrup. FTRaman spectrum of adulterated samples was characterized and the regions 400 to 1500 and2800 to 3000 cm1 were used for quantitative and discriminant analysis. Partial least square (PLS) and principal componentregression (PCR) analysis were used for quantitative analysis (R 2 > 0.92) while linear discriminant analysis (LDA) andcanonical variate analysis (CVA) were used for discriminant analysis. Classification of adulterants in maple syrup using LDAand CVA gave a classification accuracy of 95%.
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