Marsdenia cundurango
Kondurango shrub | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Kondurango shrub ( Marsdenia cundurango ) |
||||||||||||
Systematics | ||||||||||||
|
||||||||||||
Scientific name | ||||||||||||
Marsdenia cundurango | ||||||||||||
Rchb. fil. |
The Kondurango shrub ( Marsdenia cundurango ) is a species of plant from the dog poison family (Apocynaceae). Components of the plant are traditionally used as medicinal products.
description
The plant grows as a climbing shrub and reaches a height of up to 9 m with a trunk diameter of up to 60 cm. The trunk of older specimens is lignified. The bark is gray-brown with white spots in places.
The leaves grow cross opposite and are spike-shaped . They are very hairy with a length of 8-10 cm and width of 5-8 cm.
The flowers are bell-shaped and 5-fold. From them a outgrows follicle whose seeds are provided with scooping hair.
distribution
This species of plant is native to the northwest of South America . It is mainly found in deciduous forests in Equador , Peru and Colombia between 1000 and 2000 m altitude. Other sources speak of up to 3000 meters in altitude.
ingredients
The plant contains as active substance the ester - glycoside Condurangin . The concentration in the bark is between 1.0 and 2.26%. The bark also contains the active ingredient condurit (tetrahydrotetrahydroxybenzene), cinnamic acid and other organic acids , essential oils and resins .
use
The Kondurango bush is used in phytomedicine as a bitter drug . The bark extract ( Cortex Condurango ) is plotted as a stomachic in appetite used. A cold water extract of 1.5 g of the drug per 1 teacup is given as the usual single dose .
If used improperly, symptoms of poisoning are possible. Depending on the dose, symptoms range from vomiting and seizures to paralysis of the respiratory center . With subcutaneous and gastric application, the first symptoms appear only after several hours, intravenously after a quarter to half an hour. The lethal dose for dogs and cats is given as 0.02-0.024 g condurangin / kg body weight for intravenous administration.
Traditionally, the plant was also used by the indigenous people of South America as a remedy for snake bites .
Individual evidence
- ↑ a b Useful tropical plants: Marsdenia Cundurango. December 7, 2017, accessed January 3, 2018 .
- ^ B. Fischer, C. Hartwich: Condurango . In: Hagers Handbook of Pharmaceutical Practice . Springer, Berlin, Heidelberg, 1900, ISBN 978-3-642-47104-9 , pp. 940–942 , doi : 10.1007 / 978-3-642-47350-0_321 ( springer.com [accessed January 3, 2018]).
- ↑ a b c d Kormann, Kurt., Daunderer, Max .: Toxic Plants - Plant Poisons: Occurrence, Effect, Therapy, Allergic and Phototoxic Reactions . 4th, revised. u. substantially exp. Ed., Special ed. Nikol, Hamburg 1994, ISBN 3-933203-31-7 .
- ↑ Chevallier, Andrew, Encyclopedia of herbal medicine . Revised and updated ed. London 2016, ISBN 978-0-241-22944-6 .
- ^ S. Berger, P. Junior, L. Kopanski: Structural revision of pregnane ester glycosides from condurango cortex and new compounds . In: Phytochemistry . tape 27 , no. 5 , p. 1451-1458 , doi : 10.1016 / 0031-9422 (88) 80214-0 ( elsevier.com [accessed January 3, 2018]).
- ↑ Lexicon of medicinal plants and drugs: Marsdenia cundurango. Retrieved January 3, 2018 .