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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.
'Brigham' is a variety with reduced ricin content adapted for Texas, US. It grows up to 1.8 m (5 ft 11 in) and has 10% of the ricin content of 'Hale' 'BRS Nordestina' was developed by Brazil's Embrapa in 1990 for hand harvest and semi-arid environments 'BRS Energia" was developed by Embrapa in 2004 for mechanised or hand harvest
Lavy stated that he purchased the ricin to poison coyotes on his farm in Arkansas and keep them away from his chickens. Lavy was stopped at the Beaver Creek border crossing by Canadian custom agents who found, along with the 130 grams of ricin, $89,000, a knife, four guns, and 20,000 rounds of ammunition. [4] [5]
A Pentagon spokesman says authorities found at least two packages suspected of containing ricin, a poison made from castor beans. Pentagon: Packages that may contain ricin found on grounds Skip to ...
Axel Rudakubana, 18, will appear at Westminster Magistrates’ Court by video link on Wednesday charged with production of a biological toxin called ricin What is ricin? Poison which Southport ...
The most famous case of ricin poisoning was in 1978 when dissident Bulgarian writer Georgi Markov was killed when an assassin in London jabbed him with an umbrella that injected a tiny ricin ...
Some 270,000–360,000 tonnes (600–800 million pounds) of castor oil are produced annually for a variety of uses. [4] Castor oil and its derivatives are used in the manufacturing of soaps , lubricants , hydraulic and brake fluids , paints , dyes , coatings , inks , cold-resistant plastics , waxes and polishes, nylon , and perfumes .
Several months later, Syria disclosed that it maintained a ricin chemical weapons program, which the Syrian government claims has fallen into the hands of Syrian Opposition forces in the east of the country. [3] The following month Syria, further disclosed that it had 4 more previously hidden chemical weapons production sites. [4]