“…The traditional Chinese herbs are undeniably a rich source of numerous substances acting on the CNS, e.g., Ginkgo biloba L. [ 17 ], Panax ginseng [ 18 , 19 , 20 , 21 , 22 ], or Scutellaria baicalensis [ 23 , 24 , 25 , 26 ]. Further, other plants grown in different parts of the earth are an invaluable source of neuroactive compounds, e.g., Berberis integerrima [ 27 ], Carissa edulis [ 28 ], Melissa parviflora [ 29 ], Olea europaea L. [ 30 , 31 , 32 ], Salvia officinalis L. [ 33 , 34 , 35 , 36 ], or Rosmarinus officinalis [ 37 ]. There are many chemical groups of CNS-active compounds: alkaloids [ 38 , 39 ], flavonoids [ 40 , 41 ], saponins [ 42 , 43 ], tannins [ 44 , 45 ], and terpenoids [ 46 , 47 , 48 , 49 ].…”