Ricin - Wikipedia
网页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. Oral exposure to ricin is far less toxic.
Facts About Ricin - CDC
网页What ricin is. Ricin is a poison found naturally in castor beans. If castor beans are chewed and swallowed, the released ricin can cause injury. Ricin can be made from the waste material left over from processing castor beans. It can be in the form of a powder, a mist, or a pellet, or it can be dissolved in water or weak acid.
Ricin poisoning - Mayo Clinic
网页2023年4月12日 · Symptoms of ricin poisoning depend on whether a person breathes in the ricin, eats it or gets it in a shot. When breathed in, ricin causes fever, chest tightness, cough and breathing problems. Ricin can cause a fluid buildup in …
Ricin | Chemical Emergencies | CDC - Centers for Disease Control …
网页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.
Ricin Poisoning: Causes, Symptoms, Next Steps - Healthline
网页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.
CDC | Questions and Answers About Ricin - Emergency …
网页What is ricin? Ricin is a poison found naturally in castor beans. If castor beans are chewed and swallowed, the released ricin can cause injury. Ricin can be made from the waste material left over from processing castor beans. It can be made in the form of a powder, a mist, or a pellet, or it can be dissolved in water or weak acid. How toxic is ...
Ricin | Symptoms, Treatment & Prevention | Britannica
网页2024年8月23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. It is of special concern because of its potential use as a biological.
Ricin Toxicity - StatPearls - NCBI Bookshelf
网页2020年9月3日 · Ricin is a naturally occurring carbohydrate-binding protein produced in the seeds of Ricinus communis, the castor oil plant. It is toxic when inhaled, ingested, or injected. As few as five to ten micrograms per kilogram can be lethal.
Ricin: Clinical Description - CDC
网页Ricin: Clinical Description. Latency. Initial manifestation of symptoms related to poisoning is likely to occur within 4 to 10 hours following ingestion, within 4-8 hours following inhalation and within 12 hours following injection.
Ricin: Biotoxin | NIOSH | CDC - Centers for Disease Control and Prevention
网页Ricin is an extremely toxic plant protein derived from the seeds of the castor bean plant (Ricinus communis). It is easily extracted from the castor bean meal that remains as a by-product of castor oil production. Ricin causes toxicity by inhibiting the formation (synthesis) of proteins in the cells of the exposed individual.