There was a significant decrease in pH during storage
(Table 3). This might be due to increase in titrable acidity, as acidity and pH are inversely proportional to each other. It was observed that the maximum pH (4.18) was recorded in the pineapple juice blended with carrot and orange juice T3. The decrease in pH was due to increase in titrable acidity which affects the organoleptic quality of juice as discussed by Bhardwaj et al,2005.