[1]Key Lab for Information System of Mountainous Area and Protection of Ecological Environment of Guizhou Province;
Guizhou Normal University;
Guiyang550001;
China;
[2]School of Life Science;
Guizhou Normal University;
Guiyang550001;
China;
[1]Key Lab for Information System of Mountainous Area and Protection of Ecological Environment of Guizhou Province;
Guizhou Normal University;
Guiyang550001;
China;
Houttuynia cordata Thunb.; Polyphenols; Total flavonoids; Total chlorogenic acid; Antioxidant activity;