Chlorella, ni ikimera c’ivyatsi bitotahaye kimaze imyaka nka miliyaridi 2, kiri mu muryango w’ibimera vy’ivyatsi bitotahaye bita plancton. Igihugu caco nyamukuru kiri mu bice vyo mu kiyaga no mu mazi meza muri Aziya yose, harimwo Tayiwani, Aziya y’amajepfo n’Ubuyapani. Uwo mugera mutoyi, naho utaboneka, urafise akamaro kanini mu bijanye n’ingaburo be n’amabanga y’amagara.
Ariko rero, mu myaka ya vuba, uguhinga ivyatsi vyitwa chlorella vyarateye imbere cane. Uburyo bwayo bwumye burakundwa cane cane mu Buyapani no mu bindi bice vyo muri Aziya, aho kuva kera na rindi bwabaye ikintu gihambaye mu bijanye n’ubuzima, bukaba buguma buri mu bibanza bibiri vy’imbere.
