... product 3.Competitive prices 4.Specification:10:1 Product name: Guava Leaf ExtractActive Ingredients: Guaijaverin , Leucocyanidin, Amritoside, Psidiolic acid, ... cells in vitro.2. Studies show that extract of guava leaves has been found effective in killing different strains of ... aureus, Salmonella, and Escherichia coli.3. The ability of guava leaf extract to lower blood glucose level has been observed ...