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Crataegus special extract WS 1442 is a standardized ethanolic (45% w/w) extract from hawthorn (Crataegus species) leaves and flowers. It contains 18.75% oligomeric procyanidins (OPC) as the primary active components. The extract exhibits cardioprotective properties through multiple mechanisms including positive inotropic effects, vasodilation, antioxidant activity, and prevention of endothelial hyperpermeability.
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