title: An active component of pine leaves exhibiting anti-serotonergic action.
mesh_terms: D000818:Animals; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D010936:Plant Extracts / Q000494:pharmacology*; D051381:Rats; D011919:Rats, Inbred Strains; D012702:Serotonin Antagonists
chemical_list: D010936:Plant Extracts; D012702:Serotonin Antagonists