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KMID : 1134820130420060877
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Journal of the Korean Society of Food Science and Nutrition
2013 Volume.42 No. 6 p.877 ~ p.884
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Quality Characteristics and Glycemic Index of Oatmeal Cookies Made with Artificial Sweeteners
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Bang Son-Kwon
Son Eun-Jung
Kim Hyo-Jin
Park Sun-Min
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Abstract
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This study investigated the optimal composition of sugar and artificial sweeteners in oatmeal cookies. Modified cookies were examined for their quality characteristics and glycemic index in humans. Oatmeal cookies with various amounts of sugar (20, 30, or 40%) were made to the equivalent sweetness of 100% sugar cookies (the control) with sucralose and stevioside. The density and acidity of cookie dough were not significantly different between the different cookie groups. However, baking loss and the spread index were significantly lower in the 100% sugar cookie group compared to cookies supplemented with artificial sweeteners. The color lightness (L value) and redness (a value) were highest in 30% and 100% sugar cookies, respectively. The strength of the cookies was negatively correlated with sugar content. In sensory evaluations, scores for taste, color and texture were higher in 30% and 40% sugar cookies, respectively, but the overall preference was higher in 30% sugar cookies. We therefore tested 30% and 100% sugar cookies for their glycemic index in college students. After overnight-fasted students consumed either 30% or 100% sugar cookies (containing 50 g of carbohydrate in dough weight), blood glucose levels increased 27.8 and 15.7 mg/dL, respectively, at 1 hour from the baseline. However, at 2 hours from the baseline, students who consumed 100% sugar cookies had a remarkably lowered blood glucose levels. Students who consumed 30% sugar cookies did not have as much of a change in blood glucose levels. In conclusion, 30% sugar oatmeal cookies made with sucralose and stevioside can be used to make a low-sugar cookie with a low glycemic index.
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KEYWORD
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low-sugar cookie, stevioside, sucralose, glycemic index, agar
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