Use of extracts or of extract compounds from piper cubeba l....

A - Human Necessities – 61 – K

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A61K 36/67 (2006.01)

Patent

CA 2696499

The present invention relates to a method for the preparation of a dry extract from the fruit of Piper cubeba L., which characterized in that, in a first step, the fruit of Piper cubeba L. either is subjected to a steam distillation for the removal of essential oils and the distillate is removed or extracted at least once with a lipophilic phase and the lipophilic extract or extracts are removed; in a second step, the fruit, so treated, is extracted at least once either with at least one alcohol or with a mixture of at least one alcohol and water; and, in a third step, the extracted fruit parts are removed and an auxiliary material is added to the extract so obtained, which is then concentrated to a thick extract with an alcohol concentration of 0.1 to 10% (w/w), then dried and recovered.

La présente invention concerne un procédé de préparation d'un extrait sec de fruits de Piper cubeba L., caractérisé en ce que, pour éliminer les huiles éthériques, on soumet dans une première étape les fruits de Piper cubeba L. soit à une distillation à la vapeur d'eau et on élimine le distillat, soit à au moins une extraction avec une phase lipophile et on élimine le ou les extraits lipophiles; dans une deuxième étape, on soumet les fruits ainsi traités à au moins une extraction soit avec au moins un alcool, soit avec un mélange d'au moins un alcool et d'eau; et, dans une troisième étape, on élimine les parties de fruits extraites puis, après y avoir ajouté un adjuvant, on concentre l'extrait ainsi obtenu à une concentration en alcool comprise entre 0,1 et 10% m/m pour donner un extrait, on le sèche et on le récupère.

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