Marsdenia cundurango

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Kondurango shrub
Kondurango shrub (Marsdenia cundurango)

Kondurango shrub ( Marsdenia cundurango )

Systematics
Order : Enzianartige (Gentianales)
Family : Dog poison family (Apocynaceae)
Subfamily : Silk plants (Asclepiadoideae)
Tribe : Marsdeniae
Genre : Marsdenia
Type : Kondurango shrub
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

Kondurangu, dried bark

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

  1. ↑ a b Useful tropical plants: Marsdenia Cundurango. December 7, 2017, accessed January 3, 2018 .
  2. ^ 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]).
  3. ↑ 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 .
  4. ↑ Chevallier, Andrew, Encyclopedia of herbal medicine . Revised and updated ed. London 2016, ISBN 978-0-241-22944-6 .
  5. ^ 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]).
  6. ↑ Lexicon of medicinal plants and drugs: Marsdenia cundurango. Retrieved January 3, 2018 .

Web links

Commons : Marsdenia cundurango  - collection of images, videos and audio files