PURPOSE: A composition containing a Cirsium japonicum extract for improving blood circulation is provided to suppress hemolysis of erythrocytes, to protect oxidative damage to plasma, and to prevent blood vessel injuries, thereby improving blood circulation and preventing and treating diseases. CONSTITUTION: A composition for improving blood circulation contains 1-1000 mg/kg of a Cirsium japonicum extract. The composition is used for preventing hemolysis and oxidative damage to plasma. The composition is also used for treating thrombosis. The composition is a health food.본 발명은 엉겅퀴 추출물을 함유함으로써 적혈구의 용혈을 억제하고 혈장의 산화적 손상을 보호하며 혈관 손상을 방지하여 혈행을 개선시킴으로써 신체 질환의 예방 및 개선이 가능한 조성물에 관한 것이다.
