Although some anti-allergic activities of the rhizome of Atractylodes japonica have been previously reported, the active principle(s) for anti-allergic action is not fully elucidated and the effect of this plant material on atopic dermatitis (AD) is not known. In this study, the 70% ethanol extract
BACKGROUND
AT Ш, a sesquiterpenoid, is the major component of Atractylodes japonica Koidz that has been used as a traditional oriental medicine.
OBJECTIVE
We investigated the anti-allergic activity of AT Ш and its mechanism of action.
METHODS
The released amount of β-hexosaminidase in mast cells, a