Search results
Results from the WOW.Com Content Network
The toxicity of raw castor beans is due to the presence of ricin. Although the lethal dose in adults is considered to be four to eight seeds, reports of actual poisoning are relatively rare. [ 21 ] According to the Guinness World Records , this is the world's most poisonous common plant.
Ricin (/ 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.
Ricinine is a toxic alkaloid found in the castor plant. [2] It can serve as a biomarker of ricin poisoning. [3] [4] It was first isolated from the castor seeds by Tuson in 1864. [5] [6] Ricinine has insecticidal effects. [7] It sublimes between 170 and 180 °C at 20 mmHg.
Castor Beans are a common plant for gardens throughout the South. However, castor bean toxicity in animals can be dangerous. How dangerous depends on how much is consumed by the dog or cat or any ...
Castor beans or the castor oil plant contain ricin which is toxic to dogs. It can be fatal depending on how much of the plant is ingested. The beans of the plant have a higher concentration of ricin and if chewed instead of swallowed whole will cause increased toxicity levels. [28]
Made from castor beans, ricin can cause death from exposure to as little as a pinhead amount. ... The most famous case of ricin poisoning was in 1978 when dissident Bulgarian writer Georgi Markov ...
The 18-year-old has also been charged with producing ricin, a poison found in castor beans, contrary to section one of the Biological Weapons Act 1984. ... Most people impacted by ricin poisoning ...
Children, being smaller than adults, are more susceptible to poisoning by plants and seeds. [64] A deadly poison, ricin, comes from seeds of the castor bean. Reported lethal doses are anywhere from two to eight seeds, [65] [66] though only a few deaths have been reported when castor beans have been ingested by animals. [67]