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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.
According to the Guinness World Records, this is the world's most poisonous common plant. [22] If ricin is ingested, symptoms commonly begin within two to four hours, but may be delayed by up to 36 hours. These include a burning sensation in mouth and throat, abdominal pain, purging and bloody diarrhea.
In 2003, a package and letter sealed in a "ricin-contaminated" envelope was intercepted in Greenville, South Carolina, at a United States Postal Service processing center. [16] Ricin was detected in the mail at the White House in Washington, D.C., in November 2003. The letter containing it was intercepted at a mail handling facility off the ...
It is known as SRL precisely because it is the target of both α-sarcin and ricin. Ricin is the best known representative of the ribosomal inactivating protein (RIP) family. [22] RIPs are also highly specialized toxic proteins produced by plants and fungi that inactivate ribosomes acting as N-glycosidases.
The "traces of ricin" were revealed to be the atmospheric norm. The "intelligence" on that plot had been extracted under torture in Algeria. Another police tip-off to the media was that the intelligence said that the ricin had been stored in plastic jars, and they had indeed found plastic jars containing a suspicious substance.
Pages in category "Ricin" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes. ...
Tea is to England what beer and hot dogs are to America. But as ingrained as tea is in the fabric of British culture, it takes a history lesson to explain how the drink actually became so popular.
In the mid-19th century, the mortality caused by scarlet fever rose in England and Wales. [55] The major outbreak in England and Wales took place during 1825–1885 with high mortality marking this as remarkable. [52] There were several other notable outbreaks across Europe, South America, and the United States in the 19th century. [53]