Ricinus - Wikipedia
Ricinus communis, the castor bean[1] or castor oil plant, [2] is a species of perennial flowering plant in the spurge family, Euphorbiaceae. It is the sole species in the monotypic genus, Ricinus, and subtribe, Ricininae. The evolution of castor and its relation to other species are currently being studied using modern genetic tools. [3] .
Ricin - Wikipedia
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.
Ricin Poisoning: Causes, Symptoms, Next Steps - Healthline
2022年12月6日 · Ricin is a toxic protein naturally found in the seeds of the castor bean plant. Produced as a byproduct of castor oil production, ricin is one of the most potent toxins.
Castor-oil plant | Description, Uses, & Ricin | Britannica
2024年12月3日 · Castor-oil plant, large perennial plant of the spurge family, grown commercially for the pharmaceutical and industrial uses of its oil and for use in landscaping. The oil-rich beanlike seeds contain the poison ricin, one of the most toxic substances known.
Castor Bean, Ricinus communis – Wisconsin Horticulture
Castor bean is an evergreen herbaceous or semi-woody large shrub or small tree. This robust tender perennial can grow to 40 feet tall, developing woody stems over a few years in frost-free climates.
Ricinus communis - North Carolina Extension Gardener Plant ...
This plant is native to tropical east Africa, but it has naturalized and weedy in many tropical and subtropical areas around the world including the United States. It is usually found along riverbeds, railroads, roadsides, fields, pastures, or other disturbed areas.
Ricin Toxin from the Castor Bean Plant - CALS
2019年2月28日 · Ricin is one of the most poisonous naturally occuring substances known. The seeds from the castor bean plant, Ricinus communis, are poisonous to people, animals and insects. One of the main toxic proteins is "ricin", named by Stillmark in 1888 when he tested the beans' extract on red blood cells and saw them agglutinate.
Ricin | Symptoms, Treatment & Prevention | Britannica
2024年12月11日 · ricin, toxic protein (toxalbumin) occurring in the beanlike seeds of the castor-oil plant (Ricinus communis). Ricin, discovered in 1888 by German scientist Peter Hermann Stillmark, is one of the most toxic substances known.
Ricin | Chemical Emergencies | CDC - Centers for Disease ...
2024年9月6日 · Ricin is a poison found naturally in castor beans. If castor beans are chewed and swallowed, the ricin that comes out can cause injury. Ricin can be made from the waste material left over from processing castor beans. Ricin can be in the form of a powder, a mist, or a pellet. It can also be dissolved in water or weak acid.
Castor Bean (Ricinus communis) - TheBackCountry
Ricinus communis, the castor bean or castor oil plant, is a species of perennial flowering plant in the spurge family, Euphorbiaceae. It is the sole species in the monotypic genus, Ricinus, and subtribe, Ricininae. The evolution of castor and its relation to other species are currently being studied using modern genetic tools.