The
roots is known as the drug M. speciosa which has attracted
considerable attention in the fields of biochemistry and pharmacology
due to its biological activities, which is useful in promoting
blood circulation or relieving stasis and is used to treat rheumatoid
arthritis, pain or numbness of the wrists, knees or other joints and
irregular menstruation, blood deficiency sallow, tuberculosis,
chronic bronchitis and chronic hepatitis in the Chinese medicine
(Zhang et al., 2008; Yin et al., 2010).