Ricinus Communis
Antihistamine and anti-inflammatory properties were found in ethanolic extract of Ricinus communis root bark.
The seeds contain between 40% and 60% oil that is rich in triglycerides, mainly ricinolein. The seed contains ricin, a toxin, which is also present in lower concentrations throughout the plant.
The Bodo tribals of Bodoland, Assam (India), use the leaves of this plant to feed and rear the larvae of silkworms. Castor oil is a good motor lubricant and has been used in internal combustion engines.