(S)-Salsolidine is a weak monoamine oxidase (MAO) inhibitor (Ki=63 μM). The R enantiomer of Salsolidine is more potent than the S form (Ki=26 μM)[1].
References
[1] Dostert P, et al. Dopamine-derived alkaloids in alcoholism and in Parkinson's and Huntington's diseases. J Neural Transm. 1988;74(2):61-74. DOI:10.1007/BF01245140