Agar-Agar is a gelatin derived from processing red algae that is used as a thickener in food processing in soups, fruit preserves, ice creams and many Asian desserts. It is an important gelatin substitute for vegetarians and vegans. It gels white and semi-translucent and is heat resistant. It is an important ingredient in molecular gastronomy used to make pearl and spaghetti gels. Traditionally used to thicken custards, puddings and jellies