Abstract

The aim of study was to identify factors could affect the quality of product of jam from soursop. The factors were investigated with three replications, each with four levels, as including: added flesh compared to juice/ water solution (30%; 35%; 40%; 45%), soluble solid concentration of juice (40; 45; 50; 55Bx), added pectin quantity (0,8%; 0,9%; 1,0%; 1,1%). The results showed that, when added to flesh fruit at a rate of 40%, produced a high sensory value with bright colors, corresponding to L *, a *, b * values is 31.95; 0.96 and 1.65 when measured with standard light source D65. The concentration of citric acid 0.2% and a sugar concentration of 50%, the product has the highest sensory value in terms of color, odor, taste and texture. Ratio of pectin 1.0% brought stable andsmooth structure.

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