The castor oilplant, Ricinus communis, is a plant species of the Euphorbiaceae andthe sole member of the genus Ricinus and of the subtribe Ricininae. Itsseed is the castor bean which, despite its name, is not a true bean.

Castorseed is the source of castor oil, which has a wide variety of uses. Theseeds contain between 40% and 60% oil that is rich in triglycerides,mainly ricinolein. They also contain ricin, a poison, which is alsopresent in lower concentrations throughout the plant

we couldhighlight castor seed, which can be cultivated in most of soils.Research states that the yield could reach 3,000 kg /ha year withgenetic improvement and with possible introduction of irrigatedcultivation.

Transesterification can occur in differenttemperatures depending on the type of oil employed. The reaction ofcastor oil with methanol occurs most satisfactorily at temperatures inthe range from 20 to 35 °C.. So Castor is very suitable as Biofuel Crop