... in beverage, dairy products, ice In food industry 1 Stabilizer Replacing starch and carrageenan, sodium alginate can be used in beverage, dairy ... products, iced products. 2 Thickener and emulsion As food additive, sodium alginate mainly used in sala flavoring, pudding jam, tomato ketchup ... seaweed products away from air and keep them stored longer. sodium alginate food grade