... magnolia bark extract Anti-cancer, antioxidant, antibacteria GMP Factory ISO9001,HACCP,HALAL,Kosh Product name: officinal magnolia bark extractIngredient:magnolol, honokiol;Appearance:yellowish brown powder ... 5%,50%,90%;Used part:Bark of root steam or branches;Analytical method:HPLC;Package:25kg/drum( Double plastic ... significantly and inhibits perversive streptococci. officinal magnolia bark extract