Naturex

Charles Duval

Yohan Rolland

A method for preparing a concentrated extract of, in liquid or dry form, having a harpagoside titer greater than or equal to 5%, comprises a step of purifying a crude extract ofin liquid form in aqueous phase by a technique of liquid-liquid extraction with an organic solvent selected from the esters.

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The invention relates to the use ofor of a crude or purifiedextract in the preparation of a medicament for the treatment or prevention of urinary infections associated with the presence ofand, especially for the treatment or prevention of cystitis.

Uses of hibiscus, in particular pharmaceutical uses

A method for preparing a concentrated spinach extract in a liquid or dry form and having a polyphenol titer greater than or equal to 50% is described. The method includes a step of purifying a raw spinach extract in a liquid form using a liquid-liquid extraction technique with a food oil.

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Charnay les Macon, France

Charles Duval