Abstract
ABSTRACT The main purpose of this project was to develop the optimal sweetness sensation framework for baking products. Phase 1 was designed to measure consumers' differential thresholds of sweetness sensation when the sweetener contents of various sweetener‐leveled products were increased and lowered by using the constant stimuli method. Results indicated that the consumers' differential thresholds increased when the initial sweetener levels of products increased. Phase 2 was designed to establish the psychophysical power function of sweetener‐content changes and consumers' psychological sensation of products with different sweetener levels by adopting the magnitude estimation method. Regardless of the initial sweetener levels of products, the results showed that consumers perceived the products as less sweet immediately after the sweetener contents of products dropped by even a small amount; however, consumers perceived products as sweeter only when products dramatically increased in contents of sweetener.
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