castor bean


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Related to castor bean: castor bean plant, rosary pea

castor bean,

bean produced by Ricinus communis, a plant of the spurgespurge
, common name for members of the Euphorbiaceae, a family of herbs, shrubs, and trees of greatly varied structure and almost cosmopolitan distribution, although most species are tropical. In the United States the family is most common in the Southeast.
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 family, widely cultivated as an ornamental. Moles die when they eat the roots. It has long been used as an ordealordeal,
ancient legal custom whereby an accused person was required to perform a test, the outcome of which decided the person's guilt or innocence. By an ordeal, appeal was made to divine authority to decide the guilt or innocence of one accused of a crime or to choose between
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 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 oilcastor oil,
yellowish oil obtained from the seed of the castor bean. The oil content of the seeds varies from about 20% to 50%. After the hulls are removed the seeds are cold-pressed.
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 is also extracted from the beans.

castor bean

[′kas·tər ‚bēn]
(botany)
The seed of the castor oil plant (Ricinus communis), a coarse, erect annual herb in the spurge family (Euphorbiaceae) of the order Geraniales.
References in periodicals archive ?
Although, some studies investigating genetic parameters have been carried out on castor bean plants (OLIVEIRA & ZANOTTO, 2008; PASSOS et al., 2010; DA SILVA et al., 2011; OLIVEIRA et al., 2013;), further studies are needed to obtain improved materials.
The experiment used the castor bean cultivar 'BRS Energia', which is considered as early, with average cycle of 120 days and short, 1.40 m tall.
Castor bean is successfully grown in arid and semi arid regions of the world.
The chemical composition and the results are presented in Table 1, where the high protein content was observed for the coproducts, mainly for castor bean and forage radish (420.2 and 393.7 g [kg.sup.-1], respectively).
The study characterizes the natural history of seed damage by an unidentified Lepidopteran larvae found inside of the pods and feeding on the seeds of Castor Bean (Ricinus communis L.) plants.
When the oil is extracted from the castor beans it is washed with water which completely removes all traces of the toxin.
are openly sold within the United States, and castor bean plants grow
Evofuel is to develop and commercialise castor bean varieties for Brazil and the biofuel research and development activities located in Israel.
Castor bean (Ricinus communis L.) a fast growing [C.sub.3] plant native of tropical Africa [14] also known as castor oil bean, mole bean and wonder tree, is a member of Spurge family (Euphorbiaceae) and also grown as an ornamental plant in many countries of Asia, Central and North America, Africa and Europe [6].