Discrimination of American ginseng and Asian ginseng using electronic nose and GC-MS coupled with chemometrics

The American ginseng (Panax. Quinquefolius. L) and Asian ginseng (Panax. ginseng. Meyer) products, such as slices, show similar appearance, but they have significant different prices, leading to wide adulteration in commercial market. Their aroma characteristics are attracting increasing attention and supposed to be effective and non-destructive markers to determine adulteration.