COLLADO, E. G. 1926. Studies on the nutritive properties of seawefl Utilization of Seaweeds directly as human food is well-known in the Philippines. Among the species commonly used as food are Acanthopora, Codium, Gracilaria, Hydroclatlirus, Laurencin, Porphyra, fargassum. The seaweeds are used raw or blanched mostly as salad vegetable.