presentation 2 Research Question Which pigment is able to kill a trypanosome? Methods and Date 1. They injected trypanosome into many mouse. 2. They injected a pigment into an infected mouse one by one. 3. The mouse poured a certain pigment into, a body turned red. 4. Several weeks later, the mouse returned to an original color, and a disease was cured. Conclusion and Future Research Their experiment succeeded, and this pigment was named Toripanrote. Triggered by this study, various chemotherapeutic agents have begun to be developed all over the world.