A modified GC-MS analytical procedure based on trimethylsilyl-dithioacetal (TMSD) derivatization has been established for a simultaneous determination of thirteen carbohydrates. Different from previous approaches. the current GC-MS method was featured by a powerful practicability for simultaneous detection of aldoses. uronic acids. https://parisnaturalfoodes.shop/product-category/kids-elderberry-cough-syrup/