Optimization of foaming process for development of modified aloe polysaccharide (MAP) juice and powder using foam-mat drying.

Unlabelled: The present study was performed to optimize the modified aloe polysaccharide (MAP) foaming process and to determine the effect of drying process parameters on the quality of obtained MAP powder. The studied process parameters were glycerol monostearate (GMS), carboxymethyl cellulose (CMC), and whipping time (WT) which was varied between 1 and 4% w/v, 0.1-0.5% w/v, and 1-5 min, respectively. The optimized values of foaming process parameters were 3.87% GMS, 0.39% CMC, and 4.89 min WT with a desirability of 0.889. The optimized foamed MAP juice was dried at different foam thicknesses (FT) (1, 3, and 5 mm) and drying temperatures (DT) (50, 60, and 70 °C) to develop MAP powder and compared with non-foamed aloe powder developed under the same drying condition. Based on functional properties, the best GMS foamed MAP powder was achieved at 50 °C DT and 1 mm FT, recording powder yield (16%), solubility (20.85%), and polysaccharide content (282 mg/L).

Supplementary Information: The online version contains supplementary material available at 10.1007/s10068-023-01354-6.