Sodium alginate is widely used in the food industry as a thickening, gelling, and stabilizing agent. It is commonly found in products like ice cream, yogurt, and salad dressings to improve texture and prevent separation. In the pharmaceutical sector, it is utilized in wound dressings and drug delivery systems due to its ability to form gels and control the release of active ingredients. Additionally, sodium alginate is employed in the textile industry for printing and dyeing fabrics, as well as in biotechnology for cell encapsulation and tissue engineering applications. Its versatility and biocompatibility make it a valuable material across various fields.