Patent ID: 9511035
Filing Date: 2016-12-06
CPC Classification: A23G,A23K,A23L,A23P,A23V,A61K,A61P,C07C

Claim Text:
1. A Java ginger extract prepared by a method comprising solid-liquid extraction, solid-liquid separation after the extraction, and concentrating the separated liquid; wherein (a) a feed for the extraction is Java ginger in unchanged or size-reduced form; (b) a solvent for the extraction comprises at least one hydrophilic solvent selected from the group consisting of alcohols having from one to four carbons, dioxane and mixture thereof; and (c) a solute of the Java ginger extract comprises a phenyl butenoid dimer (D) represented by the formula (1) and a phenyl butenoid monomer (M) represented by the formula (2); wherein the method further comprises heating at a preset temperature between 55° C. and 160° C. at least one of the feed for extraction, the feed in the solvent, the separated liquid after extraction or a concentrate of said separated liquid; and wherein the produced Java ginger extract comprises D/M ratio of at least 0.6 as represented by the ratio of peak areas measured by a high performance liquid chromatography for the phenyl butenoid dimer (D) and the phenyl butenoid monomer (M).