castor bean

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Related to Castor oil plant: ricin, castor bean plant, castor beans


A genus of plants (family Euphorbiaceae) with one species, Ricinus communis, the castor oil plant, the source of castor oil; the leaves are said to be a galactagogue.
Synonym(s): castor bean
Farlex Partner Medical Dictionary © Farlex 2012

castor bean

1. The castor-oil plant.
2. The poisonous seed of the castor-oil plant, from which castor oil is obtained.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

castor bean

Herbal medicine
The kernel of the seeds of Ricinus communis, which contain the highly toxic ricin and ricinine.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

cas·tor bean

(kast'ŏr bēn)
Herbal agent made from the seed of Ricinus communis; widely used as a cathartic laxative; overdosage can produce gastrointestinal problems.
Synonym(s): Mexico seed, pei-ma.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
The hydroethanolic extracts of wild castor oil plant (WS) and 'Mirante' (MS) seeds, and of wild plant (WL) and 'Mirante' (ML) leaves were tested at 1% (10,000 ppm) obtained by mixing 0.5 g of each extract in 5 mL of acetone (10% solution) and then diluting this solution to 1% following the methodology of Lagunes-Tejeda & Vazquez-Navarro (1994).
The present work studied the potential and feasibility of using different oil crops such as castor oil plants, ouricuri, babassu, castanets, macauba and seeds of passion fruit and pinecone, for the feedstock supply for the biodiesel production.
The variable database of the castor oil plant hybrid Lyra, from which the means and variances were used to generate multivariate random samples, was obtained from the experiment by BRUM (2009).
A few of the potentially harmful plants include all plants grown from bulbs, such as crocus, daffodils and lilies, castor oil plant, horse chestnut, laburnum, laurels, lupins, primroses, privet, rhododendron, wisteria.
Fatsia japonica,also known as the castor oil plant or aralia,has fantastic shining leaves measuring more than a foot across and is particularly suitable for seaside gardens or as a specimen bush in a city garden.
The castor oil plant (Ricinus communis) is another winner, with its big purple-flushed leaves and clusters of spiky red seed pods.
Ricin is produced from the beans of the castor oil plant, and just 70 micrograms - equivalent to the weight of a single grain of salt - can be enough to kill an adult.
Further up, around the small pond and the dramatic leaves of Gunnera manicata, the colours become hotter still, with the reds and oranges of Hemerocallis, Dahlias, Crocosmias and a particular favourite, castor oil plant (Ricinus communis).
However, the accepted list is a little shorter, including plants such as fatsia japonica, the False Castor Oil Plant, with its huge palmate evergreen leaves and its dome like outline.
We have identified three salt tolerant plants including Jatropha, Salicornia and Castor oil plant which could grow in salt marshes on sea beaches and could even sustain for five years without water.