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Pronunciation: [KEHR-ah-geen; kehr-ah-GEE-nuhn]

Also called Irish moss, carrageen is a stubby, purplish or reddish green seaweed found along the west coast of Ireland, as well as America's Atlantic coast. Dried carrageen is the source of carrageenan, which is used as a thickener, emulsifier and stabilizer in myriad food products (including ice creams, puddings and soups), cosmetics and medicines.