Study on Production Lactic Acid Fermented Beverage of Papaya

Lactobacillus bulgaricus and Streptococcus thermophilus was inoculated to into milk powder added with paparya juice produce fermented milk beverage.Results showed that the optimal formula of fermentation substrate is as follows:papaya juice 40%,milk powder 14% and sugar 7%,and the optimal fermentation conditions are:inoculation size 6%,fermentation temperature 43℃ and fermentation time 4 h.The beverage product has the flavors of papaya and fermented milk.It is healthy,nutritious and delicious.