Application of electronic nose on identification of Jinhua ham essence

A new method was mentioned to distinguish the counterfeit sample from the right.Aroma composition of Jinhua Ham and the Jinhua Ham Essence was sampled from headspace of emanating,and then response values was obtained.After this,data analysis was conducted by using principal component analysis(PCA) and Soft Independent Modeling of Class Analogy(SMICA),etc.Results indicated that aroma profile of the two samples had definite difference,and electronic nose could be successfully used in aroma identification of samples.