Volatile component analysis of Vitis rotundifolia Noble and Carlos
Volatile components in Noble and Carlos Vitis rotundifolia were detected by solid-phase micro extraction-gas chromatography-mass spectrometry (SPME-GC-MS).Forty-nine volatiles were identified including alcohol,ester,aldehyde,ketone and other ingredients.Total volatile content in Noble was higher than that in Carlos.The highest content components in both cultivars were (E)-2-methyl-cyclopentanol and 4-hydroxy-2-butanone,and the two volatile component had certain similarities in variety and content.