Back to results
US 6,855,352 B2Granted
Wild apple polyphenol and process for producing the same
AssigneeThe Nikka Whisky Distilling Co., Ltd.
InventorToshihiko Shoji
Life of this patent
Estimating the term…
Abstract
A fruit polyphenol obtained by subjecting a crab apple fruit to pressing and/or extraction. The fruit polyphenol is rich in such components as condensed tannins (procyanidins), chlorogenic acid, and epicatechin. The fruit polyphenol can be produced economically and efficiently.
Claims22
A fruit polyphenol fraction obtained by the process comprising the steps of:
- subjecting a crab apple fruit to a method selected from the group consisting of pressing and extraction to obtain a juice;
- adding a sulfurous acid in a concentration of 100 ppm or higher, at the time of subjecting the crab apple fruit to the method selected from the group consisting of pressing and extracting;
- and
- purifying the obtained juice and/or extract so as to obtain a polyphenol fraction.
1 more element
A process for producing a fruit polyphenol fraction which comprises the steps of:
- subjecting a crab apple fruit to a method selected from the group consisting of pressing and extraction to obtain a juice;
- adding a sulfurous acid in a concentration of 100 ppm or higher, at the time of subjecting the crab apple fruit to the method selected from the group consisting of pressing and extracting;
- and
- purifying the obtained juice and/or extract so as to obtain a polyphenol fraction.
1 more element
Dependencies are inferred from the claim text.