Abstract:In order to understand the content and distribution of multiple elements in brown sugar, 31 elements in brown sugar were determined by microwave digestion technology, inductively coupled plasma mass spectrometry (ICP-MS), and the inorganic elements in brown sugar were analyzed and evaluated. The results showed that the detection limit of the 31 elements was in the range of 0.002~0.5 mg/kg, the method reproducibility was good, the RSD was less than 6%, the recovery rate of different elements was in the range of 80%~120%, the determination results of the certified reference materials met the requirements, the method was accurate and reliable, and it was suitable for the determination of inorganic elements in brown sugar. Through the analysis of the determination results of different types of brown sugar, it was found that the Na content of brown sugar with sugar beet as raw material was generally high, and the brown sugar with sugarcane as raw material was rich in trace elements such as K, Ca, Mg, etc., and had high nutritional value. The results of principal component analysis of each element in brown sugar showed that Ca, Sr, Zn and Na were the characteristic elements of brown sugar. The safety evaluation showed that the heavy metals such as arsenic and lead in brown sugar met the food safety requirements. This study analyzed the element composition and content distribution characteristics of brown sugar from different raw material sources, which provided an effective basis for effectively evaluating the nutritional value and food safety of brown sugar.