Fig. 4. The effect of combined high pressure–time and % of Stevia rebaudiana (Stevia)
Bertoni on the color of a beverage mixture of fruit juice sweetened with Stevia. a) Effects
of pressure and % Stevia on total color differences (ΔE) of the beverage for 10 min treatment
time. b) Effects of pressure and time on total color differences (ΔE) of the beverage
for 2.5% Stevia.