A deciduous tree, large, up to 22 m high. Bark smooth, light rusty-ash colour and aromatic. Shuck out of the bark of trees lasted for more than 20 years in summer, and then dried in the shade. Resisting bacteria and ulcer sedate the central nerves and smooth the muscles. Especially, magnolol resists gram-positive bacterium, acid-fast bacillus and hyphomycetes significantly and inhibits perversive streptococci.

1.PLANT ORIGINAL: Magnolia officnalis L
2.PART USED:Bark
3.SPECIFICATION: 2% Honokiol by
4. Test methods? UV
Specification? 2%~98%
Active ingredients? magnolol&Honokiol