Abstract: Sweet -tasting protein is a kind of sw eetener with intensive potential.There is an increasing demandfor it because of the characteristic of low-calorie.It also does not contribut e to tooth decay.Six kinds of sweet -t asting proteins and a sweet tasting -modifier were reviewed in this article.The applicationforeground was also rem arked.

Key words: Sweet -tasting protein , Tasting -mod ifier , Food industry , Gene -engineering