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Ce produit n'est pas destiné à diagnostiquer, traiter, guérir ou prévenir toute maladie. Ces déclarations n'ont pas été évaluées par la Food and Drug Administration.
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Ces informations sont fournies à titre éducatif uniquement et ne remplacent pas un avis médical professionnel, un diagnostic ou un traitement. Consultez toujours votre professionnel de santé avant d'utiliser des plantes, surtout si vous êtes enceinte, allaitez, prenez des médicaments ou avez une condition médicale.
Quercus robur
Iconic European tree; bark used across European folk medicine as one of the most potent astringents for diarrhea, wound healing and skin conditions.
Oak bark (Quercus robur) is a traditional European astringent herb with high tannin content (up to 20%), used for diarrhea, wound healing, and skin conditions. Its primary active compounds include ellagitannins, gallic acid, catechin, and quercetin, which contribute to its antimicrobial, anti-inflammatory, and tissue-protective effects. Modern evidence supports its use as a potent astringent, though clinical data remain limited.
The high tannin content, particularly ellagitannins, precipitates proteins on mucosal surfaces, forming a protective layer that reduces permeability and fluid loss in diarrhea. Tannins also constrict blood vessels and reduce exudation in wounds. Antimicrobial activity arises from tannin binding to microbial cell wall proteins and enzymes, disrupting membrane integrity. Anti-inflammatory effects are mediated via inhibition of cyclooxygenase and lipoxygenase pathways, as well as modulation of cytokine release by quercetin and gallic acid.
Iconic European tree; bark used across European folk medicine as one of the most potent astringents for diarrhea, wound healing and skin conditions.
Oak bark (Quercus robur) is a traditional European astringent herb with high tannin content (up to 20%), used for diarrhea, wound healing, and skin conditions. Its primary active compounds include ellagitannins, gallic acid, catechin, and quercetin, which contribute to its antimicrobial, anti-inflammatory, and tissue-protective effects. Modern evidence supports its use as a potent astringent, though clinical data remain limited.
The high tannin content, particularly ellagitannins, precipitates proteins on mucosal surfaces, forming a protective layer that reduces permeability and fluid loss in diarrhea. Tannins also constrict blood vessels and reduce exudation in wounds. Antimicrobial activity arises from tannin binding to microbial cell wall proteins and enzymes, disrupting membrane integrity. Anti-inflammatory effects are mediated via inhibition of cyclooxygenase and lipoxygenase pathways, as well as modulation of cytokine release by quercetin and gallic acid.