Reference Terms
from Wikipedia, the free encyclopedia


The protein ricin is a toxin from the castor bean.

It is considered to be twice as deadly as cobra venom.

Ricin is poisonous if inhaled, injected, or ingested, acting as a toxin by the inhibition of protein synthesis.

While there is no known antidote, the US military has developed a vaccine.

Symptomatic and supportive treatment is available.

Long term organ damage is likely in survivors.

In small doses, such as the typical dose contained in a measure of castor oil, ricin causes digestive tract cramps.

Ingested in larger doses, ricin causes severe diarrhea and victims can die of shock.

Note:   The above text is excerpted from the Wikipedia article "Ricin", which has been released under the GNU Free Documentation License.
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November 29, 2015

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updated 12:56 pm ET