Baicalein has shown promosing effects on animal models:
http://www.pa2online.org/abstract/abstract.jsp?abid=30003
http://www.ncbi.nlm.nih.gov/pubmed/22634324
http://sciencealerts.com/stories/1661187/Protective_effects_of_baicalein_against_rotenoneinduced_neurotoxicity_in_PC12_cells_and_isolated_rat_brain_mitochondria.html
http://www.ncbi.nlm.nih.gov/pubmed/21262257
Baicalein has also shows to inhibit a-synuclein aggregation:
http://www.ncbi.nlm.nih.gov/pubmed/21271629
Did anyone here ever tried it ?