https://ru.wikipedia.org/wiki/Паеонол
https://www.research..._anthraquinones
Among these compounds, piperine and paeonol were found to be inhibitory against MAO A in a dose-dependent manner with IC(50) values of 49.3 and 54.6 microM, respectively. Piperine, paeonol and emodin were shown to inhibit MAO B in a dose-dependent manner with the IC(50) data of 91.3, 42.5 and 35.4 microM, respectively.
Может экстракт пиона ингибирует МАО? Это объяснило бы, почему меня так прет от него.