Composition for cognitive and cosmetic purposes
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United States of America Patent
Stats
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Feb 26, 2013
filing date -
Aug 29, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention relates to a composition containing an extract from the Polygonum minus for cognition and cosmetic purposes. The extract of Polygonum minus includes quercetin-3-glucuronide and quercitrin. Extract of Polygonum minus is provided in an amount effective to reduce oxidative damage. A process for isolation of an active extract from Polygonum minus includes the steps of a) subjecting the Polygonum minus including aerial parts of the plant to solvent extraction preferably with a material solvent ratio of 1:10-20 by percolation at a temperature range of 70-105° C. preferably 80° C. to obtain the extract; and b) filtering the extract obtained from step (a) followed by concentration and drying involving freeze drying, spray drying or vacuum belt drying to obtain therefrom the dry extract powder.
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