Identification of commercial Sichuan pe'pper OjI using electronic nose

Sichuan pepper oil is an important necessary seasoning of Sichuan taste for the special flavour.There is a great quality differences in commercial Sichuan pepper oil,however the quality of Sichuan pepper oil mainly depend on sensory evaluation,which can be affected by human.The PCA of electronic nose technology was studied to explore a new method of Sichuan pepper oil rapid detection.