CMC is one of the raw materials for preparing other food additives, such as edible gum, gelatin, etc. CMC can be combined with other substances through chemical reactions to prepare food additives with specific functions. These additives can be used to improve the texture, taste, stability, and other aspects of food. For example, combining CMC with gelatin to prepare a gelling agent can be used to make products such as gummies and jelly, improving the elasticity and taste of the products.