Best Carrageenan
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*Chondrus crispus*, known as Irish moss, is a red alga harvested in the North Atlantic for carrageenan, a polysaccharide widely used as a thickener in the dairy industry.
*Kappaphycus alvarezii* is a red seaweed originally from the Philippines that is the world's primary commercial source of kappa-carrageenan, a key food thickening agent.
Red alga native to the tropical Indo-Pacific, one of the world's most cultivated seaweeds for carrageenan, farmed extensively in the Philippines and Indonesia.
Large red alga native to subantarctic and southern South American coasts, commercially harvested in Chile and Argentina as one of the primary sources of carrageenan.
Tropical red alga native to Southeast Asia and cultivated extensively across the Indo-Pacific and East Africa as one of the world's leading commercial sources of kappa-carrageenan.
Red alga common on North Atlantic rocky shores, notable for a heteromorphic life cycle in which its crustose phase was long classified as a separate genus, Petrocelis.
Red alga native to Pacific coasts of the Americas, notable for its iridescent heart-shaped thallus and use as a source of carrageenan in food and industrial applications.
Tropical red alga of the Indo-Pacific, one of the few natural sources of beta-carrageenan, a structurally distinct hydrocolloid that forms gels under different conditions than kappa-carrageenan.
Red alga (family Gigartinaceae) of the Mediterranean and eastern Atlantic, a source of carrageenan whose taxonomy has undergone multiple revisions since its original description.
Tropical and subtropical red alga distributed across Atlantic, Pacific, and Indian Oceans, commercially harvested at large scale as a primary source of kappa-carrageenan hydrocolloid.
Red alga found across Indo-Pacific and Atlantic coastlines, closely related to Hypnea musciformis and similarly valued as a regional source of carrageenan for food processing.
