The essential oil components of pericarpium citri reticulatae viride from Inner Mongolia was analyzed by GC-MS in combination with heuristic evolving latent projections（HELP） method to resolve overlapping peaks,also temperature-programmed retention indices（PTRIs） were used to improve the reliability of qualitative analysis.Results indicated that 29 compounds were identified,accounting for 99.57% of the total content.The major constituents of the sample stud...
