The optimal extract of Rhodomryrtus tomentosa leaves was able to neutralize 2, 2-diphenyl-1-picryl-hydrazylfree radicals (EC50= 11.79 µg / mL).
Cao tối ưu của lá hồng sim có khả năng trung hoà gốc tự do 2,2 - diphenyl-1 - picryl-hydrazyl (EC 50 = 11,79 µg / mL).