Using acid level, acesulfame potassium/aspartame blend ratio and flavor type to determine optimum flavor profiles of fruit flavored beverages
1998
The effect of flavor types (natural and artificial), aspartame (APM)/acesulfame potassium (Ace-K) blend ratios (50%/50% - 80%/20% sweetness contribution), and acid levels (50-70% dry basis) on flavor profiles of raspberry beverages was evaluated. Optimum flavor profiles of beverages sweetened with APM/Ace-K blends would have high fruit flavor scores, balanced sourness and astringency and minimal side tastes/aftertastes. Descriptive flavor profilists developed a lexicon of flavor/mouthfeel attributes for evaluating the samples in the design. The design was replicated 3 times. Acid level influenced sourness and sweetness scores; increasing acid levels increased sourness and slightly decreased sweetness. Natural flavor in beverages showed lower raspberry intensities across all acid levels and blend ratios than artificial flavor. APM/Ace-K blend ratio had no effect on flavor/mouthfeel attributes. Additionally, HIS side tastes were minimized across all APM/Ace-K blend ratios. The optimum natural flavor beverage would contain a 60/40 to 75/25 APM/Ace-K ratio with 58-70% acid (dry basis). Optimum artificial flavor beverages would contain 50/50 to 80/20 APM/Ace-K ratios with 57-68% acid (dry basis).
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