Abstract
The present study investigated the sweetness interaction and the sensory characteristics of a novel glycosylated rebaudioside A (g-reb_A) when mixed with other sweeteners. Binary sweetener mixtures were formulated by mixing g-reb_A with four types of sweeteners (sucrose, aspartame, acesulfame-K, saccharin). The sweetness potencies of sweeteners were measured at various concentrations. G-reb_A was mixed with each of the four other sweeteners at the concentration ratio of 35:65 or 50:50 to match the sweetness of a 10% sucrose solution. A generic descriptive analysis was conducted to evaluate the binary samples compared to the 10% sucrose solution. Most binary mixtures exhibited an additive effect on sweetness. A marginal sweetness synergistic effect was observed when g-reb_A was mixed with sucrose at the 50:50 ratio. The sensory characteristics of the binary mixture depended on the type of sweetener mixed with g-reb_A. Mixtures of g-reb_Aacesulfame-K or g-reb_Asaccharin elicited significantly higher bitter taste than the other binary mixtures.
Published Version
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