可溶于甲醇、乙醇、DMSO等有机溶剂，来源于白术 Atractylenolide I is the major sesquiterpenoid of the rhizome of A. macrocephala and shows a wide spectrum of pharmacological activities such as antiinflammatory, digestion promoting, and antioxidant effects. Atractylenolide I is a phytochemical that may be used to study its anti-inflammatory and anti-angiogenesis activities. Atractylenolide I may be used and studied as a postitive modulator of GABA-induced chloride currents I(GABA) and as an inhibitor of aromatases. Atractylenolide I may be used as a reference material in assays to detect its presence in plant root extracts and biological milieu such as plasma.