Composition extracted from plants used as an anti-oxidant

Details Composition extracted from plants used as an anti-oxidant Composition extracted from plants used as an anti-oxidant

A - Human Necessities

23

B

A23B 4/20 (2006.01) A23L 1/314 (2006.01) A23L 3/3472 (2006.01)

Patent

CA 2312255

An antioxidant, particularly for use as a food preservative, and a method of extracting it from the bearberry plant (Arctostaphylos uva-ursi) are disclosed. The method comprises grinding the leaves of the bearberry, mixing the ground leaves with ethanol, shaking the resulting slurry at 50°C, filtering the slurry, evaporating the supernatant to dryness and dechloraphyllyzing the resulting precipitate using a silicic acid column with hexane and ethanol as the mobile phases.

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