Patent ID: 8021699
Filing Date: 2011-09-20
Classification: A23L,A61K,A61P

Abstract:
1. A method for producing a guava leaf extract powder, comprising: (A) extracting guava leaves with hot water at 90 to 98° C., to thereby produce an extract; (B) concentrating the extract to a Brix level of 20 to 30, to thereby form a concentrated extract; (C) performing preliminary freezing of the concentrated extract at −20 to −50° C. for 10 hours or longer; and (D) lyophilizing the concentrated extract after preliminary freezing of the concentrated extract is performed, wherein when the guava leaf extract powder is used to form a beverage and the beverage is stored at 37° C. for one month in a 500 ml bottle, 8.1 mg or less of deposits are formed in the bottle as captured using a 3-μm filter.