Isolation and Identification of Atractylenolide lV from Atractylodes macrocephala Koidz. Chemical constituents in rhizome of Atractylodes macrocephala Optimization of processing technology for Atractylodis Macrocephalae Rhizoma fried with honey rice chaff in Jian Chang Bang Study on extraction technology of Zhixuan Granula Absorption kinetics of atractylenolide I in intestines of rats Simultaneous determination of 12 chemical components in Tiaojing Pills by RP-HPLC under variable wavelengths