Hop extract oxidation-reaction product, preparing method thereof and use thereof

摘要

Disclosed is a hop extract oxidation-reaction product comprising at least one of the components or component groups (A), (B), (C), (D), (E): (A) α acid; (B) iso α acid; (C) &bgr; acid; (D) Oxi-Fr.1; and (E) Oxi-Fr.2, wherein each weight ratio of (A) to (E) is (D) / ((A)+(B)) > 0.1 or more, or (E) / (C) > 2 or more, and wherein the hop extract oxidation-reaction product may further comprise at least one of the components (F) &bgr;1, &bgr;2, &bgr;3, &bgr;4 and wherein the weight ratio of (F) / (C) is > 0.3 or more.