Frangulae cortex

Authors: Prof. Dr. med. Peter Altmeyer, Prof. Dr. med. Martina Bacharach-Buhles

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Last updated on: 02.06.2024

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Synonym(s)

cortex frangulae; Rotten tree bark; Yellowwood bark

Definition
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Medicinally used, Ph.Eur.2 monogrpahized, dried bark of the twigs and younger stems of Franula alnus the fine-leaved buckthorn.

Quality is defined in the European Pharmacopoeia (Ph. Eur.).

HMPC monograph: well-established use: Internal: short-term treatment of constipation, 1 week
ESCOP monograph: short-term treatment of constipation.
Commission e-monograph: constipation

Ingredients
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Efficacy determining ingredients: numerous hydroxyanthracene glycosides, especially of the aloe emodin type, as well as glycosides of emodin (of which 80-90% are C-glycosides of the aloe type, so-called cascarosides); furthermore frangulin A and frangulin B and saponins, more rarely also bitter substances andtannins.

Effects
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Laxative, anti-absorptive.

Field of application/use
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Indication: chronic constipation,

Dosage
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0.5-2.0g as 10% decoction 20.0g. Duration of the intake 1-2 weeks.

The fresh drug has emetic effect (fresh bark contains anthrones and dianthrones which are no longer present in deposited bark).

Contraindication
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Contraindications: Ileus, acute inflammatory bowel disease, unclear abdominal pain

Note(s)
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Not for children <12 years

Literature
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  1. Brkanac SR et al. (2015) Toxicity and antioxidant capacity of Frangula alnus Mill. bark and its activeemodin. Regul Toxicol Pharmacol 73:923-929.
  2. Demuth G et al.,(1978) Investigations on anthraquinone glycosides of Rhamnus species, V Emodin-8-O-beta-gentiobioside,e a new O-glycoside from Rhamnus frangula. Planta Med 33:53-56.
  3. Koyama J et al.(2001) Inhibitory effects of anthraquinones and bianthraquinones on Epstein-Barr virus activation. Cancer Lett 170:15-18.
  4. Sadowska B et al. (2014) Vaccinium myrtillus leaves and Frangula alnus bark derived extracts as potential antistaphylococcal agents. Acta Biochim Pol 61:163-169.
  5. https://arzneipflanzenlexikon.info/faulbaum.php

Incoming links (1)

Well-established use;