Word: alginates
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...enough part in U.S. diet so that wartime shortages are critical. So the harvesting of California kelp, which declined after World War I, is booming again. Kelp was formerly used for potash; giant kelp yields 50 lb. of potash per ton. Now seaweeds are wanted for their algin and agar-agar, used in dairy, bakery and confectionery...
...Algin is a colloidal material of the sugar family, itself edible, but principally used as an emulsifying agent in salad dressings, chocolate-milk drinks, ice cream, where it serves to stabilize the intimate mixture of oil or solids in water and to give a smooth texture. Buttermilk, cakes, icings, candy and even tooth paste are smoothed by a fraction of 1% of algin. It is extracted from the kelp after drying, pulverizing and alkali treatment. The kelp itself is harvested by giant scissors which cut the growth within three feet of the surface, do not seriously injure the magnificent treelike...
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