Ricin
Ricin
Ricin (/ˈraɪsɪn/ RY-sin) is a highly toxic, naturally occurring lectin (a type of protein) produced in the seeds of the castor oil plant, Ricinus communis.
Etymology
The term "ricin" is derived from the plant that produces it (Ricinus communis).
Description
Ricin is a type of protein known as a lectin. It is produced in the seeds of the castor oil plant, Ricinus communis. Ricin is highly toxic if inhaled, ingested, or injected. It works by inhibiting protein synthesis in cells, leading to cell death.
Toxicity
Ricin is one of the most toxic substances known. It is classified as a and is considered a potential bioterrorism agent due to its high toxicity and ease of production. The lethal dose for humans is estimated to be about 22 micrograms per kilogram of body weight if injected or inhaled.
Symptoms of Ricin Poisoning
Symptoms of ricin poisoning can vary depending on the route of exposure. If inhaled, symptoms can include difficulty breathing, fever, cough, nausea, and tightness in the chest. If ingested, symptoms can include vomiting, diarrhea, abdominal pain, and severe dehydration.
Treatment
There is currently no antidote for ricin poisoning. Treatment is supportive and includes measures to minimize exposure, provide respiratory support, and treat symptoms.
Related Terms
- Lectin: A type of protein that can bind to specific carbohydrate molecules.
- Castor oil plant: The plant that produces ricin.
- Bioterrorism: The use of biological agents as weapons to cause fear, illness, or death.
External links
- Medical encyclopedia article on Ricin
- Wikipedia's article - Ricin
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