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KMID : 1134820130420071079
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Journal of the Korean Society of Food Science and Nutrition
2013 Volume.42 No. 7 p.1079 ~ p.1085
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Physicochemical Quality and Hypoglycemic Effect of Omija Sauce
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Park Eun-Joo
Ahn Jae-Jun
Kang Sun-Ae
Kim Hyo-Young
Kwon Joong-Ho
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Abstract
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This study investigated how different amounts of omija fruit (Schisandra chinensis) juice concentrate (0～5%) in sauces affect perceived sensory and quality characteristics. Sauce samples were subjected to chemical analysis for different quality parameters such as Brix, reducing sugars, total phenolic compounds, alpha-amylase inhibition, and alpha-glucosidase inhibition activity. A decrease in pH values was observed with increasing concentrate percentage. As for color, the more concentrate added, the more the L value decreased and other values (a*, b* and ΔE values) increased. Hypoglycemic effect, as determined by alpha-glucosidase, valuably increased in 4% juice concentrate. As the percentage of concentrate increased, the chemical component values also increased. Significant differences were observed between sauce samples in the sensory evaluation, with the highest overall acceptance being sauce containing 4% juice concentrate. When evaluated with marinated chicken breasts, sauce containing 5% juice concentrate achieved the maximum score.
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KEYWORD
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omija, sauce, α-glucosidase, sensory evaluation, chemical analysis
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