... is a natural amylose carbohydrate distilled from alga . It is widely applied to food ,medicine, textile, printing and dyeing , paper ... also a basis material of modelling food or dietary food. As the natural cellulose , it can slow the absorption of fatty ... abroad,so Japanese call the food rich in sodium Alginate " longevity food " , while Americans call it "magic food additive" Sodium Alginate Molecular ...