Original Article
Spasmolytic effect of Acmella oleracea flowers extract on isolated rat ileum
Acharaporn Duangjai 1 * 
, Wichuda Phiphitphibunsuk 2 , Niphaphon Klomkiao 2 , Plangkul Rodjanaudomwuttikul 2 , Praewanit Ruangpoom 2 , Sudarat Autthakitmongkol 2 , Acharaporn Ontawong 1 , Nattakorn Kamkaew 1 , Maleeruk Utsinthong 2, 3 , Surasak SaoKaew 2, 3, 4, 5, 6, 7, 8