Anxiety disorders affect people worldwide with disabling symptoms. Xylopic acid, an ent- kaurane diterpene, exerts central nervous system depressant, opioid receptor-mediated analgesic and anti-neuropathic pain effects. ...

analgesics have fueled the drive for the search for more analgesics with better side effect profiles. Geraniin, the most dominant secondary metabolite in the aqueous extract of the aerial parts of Phyllanthus muellerianus, ...