title: Piperovatine, the tongue-numbing principle of Ottonia frutescens.
mesh_terms: D000779:Anesthetics, Local / Q000302:isolation & purification*; D005231:Fatty Acids, Unsaturated / Q000302:isolation & purification*; D006801:Humans; D010946:Plants, Medicinal / Q000032:analysis*; D012677:Sensation / Q000187:drug effects; D013011:Sorbic Acid / Q000031:analogs & derivatives / Q000302:isolation & purification* / Q000494:pharmacology; D014059:Tongue / Q000187:drug effects*
chemical_list: D000779:Anesthetics, Local; D005231:Fatty Acids, Unsaturated; C038333:piperovatine; D013011:Sorbic Acid