Commercial scale production of carrageenan from red algae

Carrageenan is one of the commercially important water soluble polysaccharides extracted from certain red algae and it is widely utilised in foods, dairy products and pharmaceuticals. In India, there is no carrageenan manufacturing unit and knowledge on the processing technologies of this phytochemical is very limited. Various methods available for the extraction of different types of carrageenan are reviewed in this paper.