Process for Obtaining a Composition Enriched with Dihydroquercetin or with Tannins
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United States of America Patent
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Nov 16, 2017
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Dec 15, 2015
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Dec 15, 2014
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Abstract
The invention relates to a method for obtaining a composition based on conifer bark enriched in dihydroquercetin or in tannins, comprising the following steps:
- a) grinding dried shavings of bark from a conifer to obtain a ground particulate material of conifer bark, andb) selecting, from the ground particulate material obtained in step a), the fraction of particles: of smallest size representing at most 40% by weight, relative to the total weight of the ground particulate material obtained in step a), this fraction being enriched in tannins; orof largest size representing at most 50% by weight, relative to the total weight of the ground particulate material obtained in step a), this fraction being enriched in dihydroquercetin.
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