... Description Magnolia Bark Extract, produced by CO2, Honokiol and magnolol 10%-99% by HPLC, no heavy metals, no solvents, uniform off-white fine ... by CO2, no heavy metals, no solvents, uniform off-white fine powder, good fluidity,Honokiol and Magnolol 10%-99% by ... stomache Magnolol and Honokiol are the bioactive constituents of the bark of Magnolia officinalis. Both are phenolic compounds in which ...