Chemical Composition and Biological Activities of Ageratum conyzoides L

The chemical constituents of Ngu sac product were identified, they are total nitrogen 1.2%, Ca 0.5%, Mg 4.6%, and ash 27.3%. Ngu sac product contains a lot of inorganic substances. And Ngu sac product has biological activities against some bacteria such as B.subtilis, P.aeruginosa, some fungus such as Asp.niger and F.oxysporum