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- FBI says tests link deadly ricin to Miss. suspect
- Ricin-laced letters leading to a Miss. mystery
- Charges dropped against man in ricin letters case
- No ricin found in home of man accused of mailing poison letters to President Obama
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- Castor-oil plant | Description, Uses, & Ricin | Britannicaricin castor oil castor-oil plant, ( Ricinus communis ), also called castor bean, large plant of the spurge family ( Euphorbiaceae ), grown commercially for the pharmaceutical and industrial uses of its oil and for use in landscaping. Probably native to tropical Africa, the castor-oil plant has become naturalized throughout warm areas of the world.
- Ricin poisoning - Mayo ClinicRicin is a poison that can be made from the waste left over from processing castor beans. Castor beans are used to make castor oil. Ricin can potentially be used as a biological weapon. It can be turned into an aerosol and inhaled. It can also be ingested from poisoned food or a contaminated water supply or injected.
- Ricin | poison | Britannicaricin, toxic protein (toxalbumin) occurring in the beanlike seeds of the castor-oil plant (Ricinus communis). Ricin, discovered in 1888 by German scientist Peter Hermann Stillmark, is one of the most toxic substances known. It is of special concern because of its potential use as a biological weapon.
- CDC | Facts About Ricin - Centers for Disease Control and ...Ricin is a poison found naturally in castor beans. If castor beans are chewed and swallowed, the released ricin can cause injury. Ricin can be made from the waste material left over from processing castor beans. It can be in the form of a powder, a mist, or a pellet, or it can be dissolved in water or weak acid.
- Ricin - WikipediaRicin (/ ˈ r aɪ s ɪ n / 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 50) of ricin for mice is around 22 micrograms per kilogram of body weight via intraperitoneal injection. Oral exposure to ricin is far less toxic.
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