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The Sensory Characteristics and Estimation of Shelf-life by $Q_10$ Values with Mixtures of High-Intensity Sweeteners for Beverage during Storage  

Choi Sun-Young (Department of Food and Nutrition, Research Institute of Human Ecology, Seoul National University)
Jang En-Gyung (R & D Center, Dae-Sang Corporation)
Hwang In-Kyeong (Department of Food and Nutrition, Research Institute of Human Ecology, Seoul National University)
Publication Information
Korean journal of food and cookery science / v.21, no.2, 2005 , pp. 235-242 More about this Journal
Abstract
This study investigated the sensory characteristics of mixtures of high-intensity sweeteners for beverage and estimated the shelf life during storage. Sensory characteristics of mixtures of sweeteners (Aspartame/ Acesulfame-K, Aspartame/Sucralose and Acesulfame-K/Stevioside) were evaluated in aqueous (ranging from 90:10 to 50:50) and citrate buffer (ranging from 90:10 to 50:50) solutions. Significant synergistic effects were found in Aspartame/Acesulfame-K and Aspartame/Sucralose mixtures. No significant differences were found in other taste attributes (astringency, bitterness, metallic taste etc.). Aspartame/Acesulfame-K 5:5 solution showed the most acceptable sensory attributes. $Q_10$ values of Aspartame and Acesulfame-K mixture in citrate buffer (ranging from 90:10 to 50:50) solution were calculated from the temperature data (between $40^{\circ}C\;and\;50^{\circ}C$) determined by HPLC. $Q_10$ values were in the range of 2.01-2.25. Their shelf lives were calculated to be lengthened with increasing Acesulfame-K mixture ratio. Their shelf lives in Aspartame/Acesulfame-K 5:5 citrate buffer solution estimated at $20^{\circ}C\;and\;30^{\circ}C$ were 178 days and 88 days, respectively.
Keywords
high-intensity sweetener; sensory evaluation; mixture ratio; shelf-life;
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