Pacific island 'Awa (Kava) extracts, but not isolated kavalactones, promote proinflammatory responses in model mast cells.
Shimoda LM, Park C, Stokes AJ, Gomes HH, Turner H. Pacific island 'Awa (Kava) extracts, but not isolated kavalactones, promote proinflammatory responses in model mast cells. Phytother Res. 2012 Dec; 26(12):1934-41.