Two new biflavonoids 3,5,7,4’-tetrahydroxyflavanone-(2→O→4’:3→3’)-2’,4’,6’,4- tetrahydroxydihydrochalcone (1) and 3,5,7,4’-tetrahydroxyflavanone-(2→O→7:3→8)-3,4’,5,7- tetrahydroxyflavone (2), named as amburanin A and amburanin B, respectively, were isolated from the trunk bark of Amburana cearensis, and their structures elucidated on the basis of spectroscopic analysis and by comparison with literature data. Th...
Parkinson’s disease (PD) is a neurodegenerative disease that causes a selective loss of dopaminergic neurons in the substantia nigra. The cardinal signals of the disease are bradykinesia, resting tremor and postural instability. It is the second most common neurodegenerative disease, after Alzheimer’s disease, for which there is no neurorestorative treatment. Mucuna pruriens is used in traditional medicine espe...