Analysis of aroma components in Sapium discolor honey vinegar by GC/MS

The aroma components of Sapium discolorhoney vinegar was extracted by solid phase micro-extraction(SPME) and was separated and analyzed by GC-MS.About 50 different compounds were identified including acids,esters,alcohols,aldehydes,ketones,phenols,hydrocan and a few other compounds.The percentage of each component was quantified by using peak area normalization method.All of the 50 kinds of compounds accounted for 98.93 % of total volatile compositions with acids accounts for 27.4%,esters 30.38%,alcohols 18.79%,aldehydes 15.22%,ketones 3.09%,phenols 2.51% and hydrocarbon 1.07%.These above listed components formed the particular flavor of Sapium discolor honey vinegar.