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Ricin (/ ˈraɪsɪn / ry-sin) is a lectin (a carbohydrate-binding protein) and a highly potent toxin produced in the seeds of the castor oil plant, ricinus communis. The median lethal dose (ld. Ricin poisoning what is ricin?
It can be in the form of a powder, a mist, or a pellet, or dissolved in.