... extraction with alkaline water from red seaweeds. It is used mainly in products that need gelling, suspending, thickening or ... water holding properties. In the food industry, carrageenan is used as stabilizer, emulsifier, thickener, filler and gelling agent for ... products such as cheese, ice cream, yogurt, butter, sausages and others. For the pharmaceutical industry, it is used as cosmetics, capsules, ...