), theAcanthaceae family, has a bitter taste, has welding properties, has the effect of clearing heat, detoxifying, only Traditionally, anti-cancer, used in diseases such as upper respiratory tract infection, pharyngitis, pneumonia, etc. Testing of input materials with 3 samples of XTL01 - > 03 purchased at Na Hang, Chiem Hoa, Son Duong, Tuyen Quang province.