Xanthohumol-enriched hop extract

Details Xanthohumol-enriched hop extract Xanthohumol-enriched hop extract

2008-08-13

2010-11-16

Meller, Michael V (Department: 1655)

Drug, bio-affecting and body treating compositions

Plant material or plant extract of undetermined constitution...

Reexamination Certificate

active

07833552

ABSTRACT:
A method for preparing a xanthohumol-rich hop composition. The method includes providing a solution that contains xanthohumol-containing hop substances and effecting precipitation of non-xanthohumol hop substances by adjusting both the salt concentration and pH value of the solution. The xanthohumol-rich hop composition prepared by this method can be used for treating various diseases, e.g., skin disorders, and bacterial infection.

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International Search Report issued in International Application No. PCT/US2008/073013, Feb. 16, 2009.
International Preliminary Report on Patentability for related PCT Application PCT/US2008/073013, mailed Feb. 25, 2010.

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