Figure 1: Effect on electrolyte excretion in urine. All values are mean ± SEM, , , when compared to normal control; , compared to hydrochlorothiazide. GTE-100 (green tea extract, 100 mg/kg), GTE-500 (green tea extract, 500 mg/kg), and HCTZ (hydrochlorothiazide, 10 mg/kg).