To study the effect of oak powder kinds on wine aging at ultra-high pressure (UHP) conditions, french oak powder and American oak powder was added in wine to UHP treat at 300Mpa for 30min. The wine sample which has not oak power was as control. The effects of oak powder kinds on aroma component of wine were studied. The results showed that after treatment with UHP, the kinds of aroma component in french oak powder sample, chinese oak powder sample and control sample were 43, 32 and 26, respectively. The contents of higher alcohols were 60.7%, 22.1% and 62.8%, respectively. The content of organic acid were 8.4%, 7.1% and 9.1% respectively. The contents of esters were 26.4%, 67.4% and 24.2%, respectively. The contents of aldehydes find ketones were 1.4%, 0.7% and 1.5%, respectively. The contents of heterocyclic compounds were 0.2%, 0 and 0, respectively. The kinds of oak power will have effect on kinds and contents of aroma componentin wine.
