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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
Gorgas's sanitation department also provided about one ton of prophylactic quinine each year to people in the Canal Zone to combat malaria. [3] Gorgas organized a major program to drain and fill swamps and wetlands around the Canal Zone. Many miles of ditches were dug, and grass and brush were cut back over wide areas.
A Marine Corps veteran who authorities said tried to fake his own death after a falling out with a Virginia-based militia group pleaded guilty Wednesday to illegal possession of ricin, a ...
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]
Ricin has been used in several plots to poison political opponents over the last few decades. Vane had previously been kicked out of the Virginia Kekoas, a self-described “prepper militia.”
The latter figure is supported by other sources, e.g., Röbbelen, Downey, and Ashri, _Oil Crops of the World_ (New York, McGraw-Hill, 1989). Assuming that we're not getting some 99 million tonnes from off-planet, is the Ricin article not simply wrong? RJ Spector, zombiejam@comcast.net, Feb. 4, 2004 Ton and metric ton (tonne) are not the same ...
One common such material is water, used in multiple units. For the cubic ton, the situation is more complex—there are different cubic tons for different materials. The 1964 Reader's Digest Great Encyclopaedic Dictionary gave the following ton-derived volumes: Timber, 40 cubic feet or 480.0 bd ft or 1.133 m 3; Stone, 16 cubic feet (0.453 m 3)