Flavonoid-based composition for pharmaceutical, nutritional or cosmetic use having potentiated antioxidant action
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United States of America Patent
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Nov 7, 2017
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Feb 4, 2016
app pub date -
Mar 14, 2014
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Mar 15, 2013
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Abstract
The invention relates to a composition for pharmaceutical or nutritional or cosmetic use, formulated for oral or topical use and possessing antioxidant activity against free radicals, comprising: a) a Vitis vinifera seed, or seed and leaf, extract containing a combination of the flavonoids catechin and quercetin in a molar ratio in a range from 6:1 to 3:1, respectively, or a′) a Vitis vinifera seed, or seed and leaf, extract containing a combination of the flavonoids catechin and quercetin in a molar ratio in a range from 7:1 to 4:1, respectively, or a″) a mixture of Vitis vinifera extracts a) and a′), or a′″) a mixture of catechin and quercetin in a molar ratio in a range from 7:1 to 3:1, respectively, together with b) an olive, Olea europaea L, leaf extract having a hydroxytyrosol content in a range from 1% to 30% by weight of the extract, or b′) hydroxytyrosol in an amount equal to that contained in the b) extract.
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