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Quality Characteristics and Antioxidant Activities of Maejakgwa added Mulberry Leaf Powder  

Jin, So-Yeon (Dept. of Traditional Dietary Life Food, Graduate School, Sookmyung Women's University)
Publication Information
Journal of the East Asian Society of Dietary Life / v.23, no.5, 2013 , pp. 597-604 More about this Journal
Abstract
This study was conducted to investigate the effect of mulberry leaf powder on the antioxidant activity and the quality characteristics of maejakgwa (a Korean traditional cookie). Maejakgwa was prepared with different amounts of mulberry leaf powder (in ratios of 0, 3, 6, 9 and 12% to the flour quantity). The antioxidant activity was estimated by DPPH free radical scavenging activity and the total phenol content in mulberry leaf powder and maejakgwa. For analyzing the quality characteristics, bulk density and the pH of the dough, moisture contents, color, texture profile analysis and sensory evaluations were measured. The total phenol contents, DPPH free radical scavenging activity, bulk density of the batter and the a values of maejakgwa significantly increased with increasing mulberry leaf powder, whereas the pH of the batter, L values and b values of the maejakgwa significantly decreased with increasing mulberry leaf powder content. Finally, the results of the acceptance test indicated that maejakgwa containing 6% mulberry leaf powder had the highest scores. From these results, we suggest that mulberry leaf is a good ingredient for increasing consumer acceptability as well as the functionality of maejakgwa.
Keywords
Antioxidant activity; mulberry leaf; maejakgwa; sensory evaluation;
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Times Cited By KSCI : 9  (Citation Analysis)
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