castor bean

castor bean

castor bean bean produced by Ricinus communis, a plant of the spurge family, widely cultivated as an ornamental. Moles die when they eat the roots. It has long been used as an ordeal poison in parts of Africa. Ricin, the toxic protein found in the bean seeds, can be extracted and used as a poison or chemical weapon, but it is not as poisonous or as readily absorbed as other such weapons. Castor oil is also extracted from the beans.

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"castor bean." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

"castor bean." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1E1-castorbe.html

"castor bean." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-castorbe.html

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ricin

ricin (ry-sin) n. a highly toxic albumin obtained from castor-oil seeds (Ricinus communis) that inhibits protein synthesis and becomes attached to the surface of cells, resulting in gastroenteritis, hepatic congestion and jaundice, and cardiovascular collapse. See also immunotoxin.

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"ricin." A Dictionary of Nursing. 2008. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

"ricin." A Dictionary of Nursing. 2008. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O62-ricin.html

"ricin." A Dictionary of Nursing. 2008. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-ricin.html

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castor oil

cas·tor oil • n. a pale yellow oil obtained from castor beans, used as a purgative and a lubricant and in manufacturing oil-based products.

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"castor oil." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

"castor oil." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O999-castoroil.html

"castor oil." The Oxford Pocket Dictionary of Current English. 2009. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-castoroil.html

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ricin

ricin A lectin in the castor oil bean.

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DAVID A. BENDER. "ricin." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

DAVID A. BENDER. "ricin." A Dictionary of Food and Nutrition. 2005. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O39-ricin.html

DAVID A. BENDER. "ricin." A Dictionary of Food and Nutrition. 2005. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O39-ricin.html

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ricin

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"ricin." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

"ricin." Oxford Dictionary of Rhymes. 2007. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O233-ricin.html

"ricin." Oxford Dictionary of Rhymes. 2007. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O233-ricin.html

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Free newspaper and magazine articles

Profile: Background of the castor bean plant, a poisonous plant that produces...
Transcript from: NPR Morning Edition; 1/9/2003
CASTOR BEANS IN GARDEN CAN BE DEADLY.(HOME)
Newspaper article from: The Virginian-Pilot (Norfolk, VA); 10/20/1996
Ground Castor Beans Put in Tampered Baby Food Jars.
Newspaper article from: Travel Medicine Advisor; 11/1/2004
castor bean images
castor bean. (Image by Geographer, CC)