Quercus cortex
Synonym(s)
DefinitionThis section has been translated automatically.
Phytotherapeutically used bark of oak. Tannin, astringent. Quercus species such as English oak, summer oak, holm oak, sessile oak or winter oak are the parent plants of the officinal drug (ÖAB90; DAC86) Quercus cortex (oak bark) extracted from dried oak bark of young twigs and branches.
Oak bark contains ellagitannins (hydrolyzable tannins), catechin tannins (condensed tannins) in the ratio 77:23; also complex tannins (including flavanoellagitannins) .
HMPC monograph: Traditional-use: Symtpomatic therapy of mild diarrhea and mild inflammation of oral mucosa and skin; burning and itching in hemorrhoidal disease
ESCOP: not edited
Commission. E-monograph: external: inflammatory skin conditions, mild inflammation of the mouth and throat, and genital and anal areas. Internal: nonspecific, acute diarrheal diseases; also for local treatment.
Empirical medicine: increased foot sweat, chilblains.
IngredientsThis section has been translated automatically.
Oak bark contains ellagitannins (hydrolyzable tannins), catechin tannins (condensed tannins) in a ratio of 77:23; it also contains complex tannins (including flavanoellagitannins).
Field of application/useThis section has been translated automatically.
Topically for inflammations in the mouth and throat area as well as genital and anal area. In the decay phase of acute or subacute eczema. Also for chronic eczema (e.g. eyelid eczema).
Peroral application in non-specific acute diarrhoeal diseases.
Undesirable effectsThis section has been translated automatically.
Rare allergic reactions
Standard concentrationThis section has been translated automatically.
5 g drug to 1 l water for full and partial baths.
For compresses, boil 10 g drug (1 tablespoon oak bark) in 1 liter of water for 15 minutes. Cool and use undiluted as moist compresses or poultices. Can also be used as a gargle solution. Solution must be prepared daily.
The concentration of oak bark ranges from 5 g / 1 l to 100 g / l water.
We recommend ready-made preparations.
ContraindicationThis section has been translated automatically.
Pregnancy and lactation due to lack of safety data, children and adolescents under 18 years.
Allergic reactions to any of the components, extensive open wounds on skin or mucous membrane.
InteractionsThis section has been translated automatically.
Internally, delayed absorption of drugs administered at the same time. Caution: At least 1 hour interval before taking other drugs.
Trade namesThis section has been translated automatically.
Traxaton®; Balcann® skin ointment;
oak bark extract from the Schupp company (20ml on 300 ml water for envelopes)
LiteratureThis section has been translated automatically.
- Deryabin DG et al. (2015) Antibacterial and Anti-Quorum Sensing Molecular
- Composition Derived from Quercus cortex (Oak bark) Extract. Molecules 20:17093-18108.
- Kraft K (2007) Diseases of the skin. Zschr Phytotherapy 28: 76-78.
- https://arzneipflanzenlexikon.info/eiche.php
- https://www.ema.europa.eu/en/documents/herbal-monograph/final-community-herbal-monograph-quercus-robur-l-quercus-petraea-matt-liebl-quercus-pubescens-willd_en.pdf
- Wenigmann M. (2017) Phytotherapy medicinal drugs, phytopharmaceuticals, application. Urban & Fischer, pp. 99-101