Aconitine
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Aconitine is a highly poisonous alkaloid derived from various aconite species. It is a neurotoxin that opens TTX-sensitive Na+ channels in the heart and other tissues, and is used for creating models of cardiac arrhythmia. Aconitine was previously used as an antipyretic.
Aconitine has the chemical formula C34H47NO11, and is soluble in chloroform or benzene, slightly in alcohol or ether, and only very slightly in water. The CAS number is 302-27-2 .
The Merck Index gives LD50s for mice: 0.166 mg/kg (intravenously); 0.328 mg/kg intraperitoneally (injected into the body cavity); approx. 1 mg/kg orally (ingested). In rats, the oral LD50 is given[citation needed] as 5.97 mg/kg. One to ten milligrams per kilogram body weight are said to be[citation needed] deadly to humans.
It is quickly absorbed via mucous membranes, but also via skin. Respiratory paralysis, in very high doses also cardiac arrest, leads to death. Few minutes after ingestion paresthesia starts, like tingling in the oral region. This extends to the whole body, starting from the extremities. Anesthesia, sweating and cooling of the body, nausea and vomiting and other symptoms follow. Sometimes there is strong pain, accompanied by cramps, or diarrhea. There is no antidote, so only the symptoms can be treated. (Roth et al. 1994)
Aconitine was probably made most famous by its use in Oscar Wilde's 1891 story Lord Arthur Savile's Crime.
References
- Merck & Co. (1989): The Merck Index. Eleventh Edition: p.117. Rahway, N.J.. ISBN 091191028X
- Roth, L., Daunderer, M. & Kormann, K. (1994): Giftpflanzen - Pflanzengifte. ISBN 3-933203-31-7
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
