PMID: 9183789May 1, 1997Paper

Antiinflammatory activities of procyanidin-containing extracts from Pinus pinaster Ait. after oral and cutaneous application

Die Pharmazie
G BlazsóP Rohdewald

Abstract

Orally in liquid diet administered procyanidin-containing extracts from Pinus pinaster Ait. decreased the croton oil-induced ear edema in mice or the compound 48/80-induced hind paw edema in rats to a statistically significant extent. Most effective were the extracts containing mainly oligomeric procyanidins with chain lengths greater then 4 units (extracts A or B). Further, the different extracts incorporated in various concentrations (1.0, 3.0 or 0.1%) in 5% hydroxyethylcellulose gel and applied topically on the shaved back of rats, inhibited significantly the ultraviolet radiation-induced increased capillary permeability. In these experiments, normalisation of capillary permeability was not correlated with the content of the extracts on higher oligomeric procyanidins.

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