Using kiwifruit as the main raw material,a kind of activity of lactic acid bacteria type beverage is achieved with comprehensive evaluation method of fuzzy mathematics and orthogonal test. The results show that:when the ratio of kiwifruit to water 40%,inoculum size 3%,sugar 5%,fermentation time 3.5 h at 42 ℃,the optimal product can be prepared. The influence of kiwi drink quality are fermentation time ...