... extraction with alkaline water from red seaweeds. It is used mainly in products that need gelling, suspending, thickening ... food industry, carrageenan is used as stabilizer, emulsifier, thickener, filler and gelling agent for dairy-based products such as ... cream, yogurt, butter, sausages and others. For the pharmaceutical industry, it is used as cosmetics, capsules, vitamin, bacteria culturing media ...