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KMID : 1134820160450071077
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Journal of the Korean Society of Food Science and Nutrition
2016 Volume.45 No. 7 p.1077 ~ p.1081
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Quality Characteristics and Antioxidant Activities of Yanggaeng Supplemented with Licorice Powder
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Choi Ji-Eun
Lee Jun-Ho
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Abstract
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Feasibility of incorporation of licorice powder (LP) as a value-added food ingredient into convenient food products was investigated using yanggaeng as a model system. LP was incorporated into yanggaeng at amounts of 0, 2, 4, 6, and 8% (w/w) based on total weight of cooked white beans and LP. pH level decreased while soluble solid content significantly increased with increasing levels of LP (P<0.05). In terms of color, lightness decreased while redness and yellowness increased significantly (P<0.05) with increasing levels of LP. Hardness also decreased significantly with a higher amount of LP in the formulation (P<0.05). 2,2'-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) and 2,2'-diphenyl-1-picrylhydrazyl radical scavenging activities were significantly elevated by LP addition, and they increased significantly as LP concentration increased in the formulation (P<0.05). Finally, consumer acceptance test indicated that the highest levels of LP incorporation (8%) had an adverse effect on general consumer preferences. In contrast, yanggaeng with moderate levels of LP (2%) is recommended based on its overall scores to take advantage of the antioxidant properties of LP without sacrificing consumer acceptability.
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KEYWORD
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yanggaeng, licorice powder, quality characteristics, antioxidant activities, consumer acceptance
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