초록

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Abstract ▼ AI-Helper

Effects of temperature, pH and addition of NaCl and quinine on sweetness and recognition threshold of aspartame were investigated. Changes in flavor of some foods were also studied when aspartame was added. The sweetness of 0.02% aspartame, the equi-sweetness of 4.3% sugar, was organoleptically eval...

Effects of temperature, pH and addition of NaCl and quinine on sweetness and recognition threshold of aspartame were investigated. Changes in flavor of some foods were also studied when aspartame was added. The sweetness of 0.02% aspartame, the equi-sweetness of 4.3% sugar, was organoleptically evaluated by multiple comparison test at variouse range of temperature ($4^{\circ}$, $20^{\circ}$, $40^{\circ}$, $60^{\circ}$ and $80^{\circ}C$), pH (3.0, 4.5, 6.0 and 7.5), NaCl (0.5, 1.0, 1.5 and 2.0%) and quinine (0.001, 0.003 and 0.005%). The highest sweetness was obtained at $20^{\circ}C$ and pH 3.0-4.5. Addition of NaCl at 0.5% level showed the highest sweetness which was decreased thereafter. The sweetness was significantly decreased by the addition of quinine. The recognition threshold of aspartame was the lowest at $20^{\circ}C$ and pH 3.0-4.5. Lower in bitterness and higher In ginseng flavor were noted in ginseng tea with aspartame than in that without aspartame. Improved roasted flavor and decreased undesirable odor and taste were resulted in soymilk with the addition of aspartame. The flavors of orange, apple and strawberry were enhanced by aspartame in orange juice, apple juice and strawberry juice, respectively.

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