SUMMARY
Magnolia bark is a highly aromatic herbal material obtained from Magnolia officinalis (and other species)
of the family Magnoliaceae. In traditional oriental herbal medicine, particularly Chinese medicine, this
drug is used for many purposes, especially as a mild tranquillizer. The principal active compounds are the
biphenol compounds, magnolol and honokiol, together with other biologically active compounds, which
exert numerous and diverse pharmacological actions. Recent research has produced further evidence for
the mechanism of their anti-inflammatory, anti-oxidant, antimicrobial, and antitumour activities, and
these will be outlined in this review.
KEY WORDS
herbal tranquillizer; honokiol; Magnolia; magnolol; obovatol; pharmacology
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