Detailed Product Description Magnolia Bark Extract, produced by CO2, Honokiol and magnolol 10%-99% by HPLC, no heavy metals, no solvents, uniform off-white fine powder, good fluidness... Feature Specifications:Extracted by CO2, no heavy metals, no solvents, uniform off-white fine powder, good fluidity,Honokiol and Magnolol 10%-99% by HPLCHonokiol 95%, 98% by HPLCMagnolol 90%, 95% by HPLCFunctions ...