The essential oils from Fructus Anisi Stellati(FAS) and Fructus Foeniculi(FF),respectively produced in Guangxi and Shanxi provinces,were first analyzed by GC/MS combined with heuristic evolving latent projection(HELP) resolution method.In addition,temperature-programmed retention indice(PTRI) was used to improve the accuracy of qualitative analysis.In total,17 compounds were identified.Among them,13 components from the volatile oil of FAS,and 11 ones from that of FF,respectively accounting for 89.43% and 99.53% of the total contents of ...