Thursday, October 21, 2010

Castor seed


Castor seed is the source of castor oil, which has a wide variety of uses. 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.Another plant species, Fatsia japonica, is similar in appearance and is known as the false castor oil plant.

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