Gracilaria is a genus of red algae (Rhodophyta) notable for its economic importance as an agarophyte, as well as its use as a food for humans and various species of shellfish. Various species within the genus are cultivated in various parts of the developing world, including Asia, South America, Africa and Oceania. Gracilaria is used as a food in Japanese and Hawaiian cuisine. In Japanese cuisine it is called ogonori or ogo. Gracilaria is base material of gelatin powder, gelatin strip, or gelatin stick.
