Assertion: sea kelp | /r/HasProperty | the most prolific sea plant
Facets:
Source sentences:
text: Sea kelp (laminaria), the most prolific sea plant on America's shores, contains algin, carrageenan, iodine, potassium, bromine, mucopolysaccharides, mannitol, alginic acid, kainic acid, laminine , histamine, zeaxanthin, protein, vitamins A, B, E, D, K, C, and minerals.