6. SEAWEEDS USED AS A SOURCE OF CARRAGEENAN
Until the early 1970s, Chondrus crispus was the main source of carrageenan and Canada provided about 70 percent of the world production. By 1992, with the success of cultivation of K. alvarezii and E. denticulatum, the demand for C. crispus had fallen to 3.8 percent of the total requirement for carrageenophytes, and of this, Canada supplied ...
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