Purified green tea extract
AssigneeKao Corporation
InventorTomoko Konishi
Life of this patent
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Abstract
A purified green tea extract is improved in bitterness and aftertaste. The purified green tea extract, which comprises satisfying the following conditions: (1) a ratio of a sum of content weights of (A) myricetin, (B) quercetin and (C) kaempferol to a sum of content weights of (D) epigallocatechin gallate and (E) gallocatechingallate, ((A)+(B)+(C))/((D)+(E)), is from 0.0000001 to 0.010, (2) a sum of content weights of (D) the epigallocatechin gallate and (E) the gallocatechin gallate in non-polymer catechins, ((D)+(E))), is from 0.01 to 29 wt %, and (3) a percentage of gallate body in the non-polymer catechins is from 0.01 to 49 wt %.
Claims6
A purified green tea extract, which satisfies the following conditions (1), (2) and (3):
- (1) a ratio of a sum of content weights of (A) myricetin, (B) quercetin and (C) kaempferol to a sum of content weights of (D) epigallocatechin gallate and (E) gallocatechin gallate, ((A)+(B)+(C))/((D)+(E)), is from 0.0000001 to 0.010;
- (2) a sum of content weights of (D) the epigallocatechin gallate and (E) the gallocatechin gallate in non-polymer catechins, ((D)+(E)), is from 0.01 to 29 wt %;
- and
- (3) a percentage of gallate body in the non-polymer catechins is from 0.01 to 49 wt %.
Dependencies are inferred from the claim text.