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KMID : 1134820140430121954
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Journal of the Korean Society of Food Science and Nutrition
2014 Volume.43 No. 12 p.1954 ~ p.1958
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Physicochemical and Antioxidant Properties of Yanggaeng with Cynanchi wilfordii Radix Powder
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Na Yu-Jin
Lee Jun-Ho
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Abstract
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The feasibility of incorporating Cynanchi wilfordii powder as a value-added food ingredient in convenient food products was investigated using yanggaeng as a model system. C. wilfordii powder was incorporated into yanggaeng at 0, 2, 4, 6, and 8% weight amounts based on total weight of cooked white bean and C. wilfordii powder. pH increased significantly, and moisture content ranged from 45.40% to 47.40% with increasing levels of C. wilfordii powder (P<0.05). In terms of color, lightness, redness, and yellowness increased significantly (P<0.05) with increasing levels of C. wilfordii powder. Hardness significantly decreased with higher amounts of C. wilfordii powder (P<0.05). Total polyphenol content and DPPH radical scavenging activity were significantly influenced by addition of C. wilfordii powder, and they increased significantly as C. wilfordii powder concentration increased (P<0.05). Finally, consumer acceptance test indicated that the highest levels of C. wilfordii powder (8%, w/w) had considerable adverse effects on consumer preferences in general. In contrast, yanggaengs with moderate levels of C. wilfordii powder (2%, w/w) are recommended (with respect to overall preference score) to take advantage of the functional properties of C. wilfordii powder without sacrificing consumer acceptability.
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KEYWORD
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yanggaeng, Cynanchi wilfordii powder, physicochemical properties, antioxidant properties, sensory evaluation
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