Rapid Detection of Illegal Additives in Commercially Available Bamboo Salt Using Molecular Spectroscopy
This article uses micro laser Raman scattering spectroscopy and Fourier transform infrared absorption spectroscopy to quickly and non directionally detect the presence of illegal additives in commercially available bamboo salts.After infrared spectroscopy analysis and possible component screening,it was initially determined that sugar or sugar alcohol compounds were added to the bamboo salt;on this basis,a Raman user database of commonly used sugar/sugar alcohol food additives was established.Based on the microscopic morphology and grain morphology differences of the samples,Raman scanning was performed point by point on the grains with different morphologies,accurately identifying the addition of maltitol in the samples.The testing method used in this article is fast,simple,with good repeatability and high accuracy,and provides a reference for the identification of illegal additives in various types of salt products on the market.
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