Fructose decomposition consisted of two successive reactions, first from fructose to 5-HMF, then from 5-HMF to levulinic acid.

• 果糖分解反应主要由果糖分解为中间产物5-HMF和5-HMF进一步分解成LA两步组成,乙酸的加入加快了第一步反应速度,而对第二步反应无明显影响,因而中间产物5-HMF收率可高达83%25;