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KMID : 0665220220350060499
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Korean Journal of Food and Nutrition
2022 Volume.35 No. 6 p.499 ~ p.512
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Quality Characteristics and Antioxidant Effects of Rice Cookies Enriched with Dried Plum (Prunus domestica L.) Powder
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Na Ye-Seul
Song Yeon-Ji
Lee Jae-Joon
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Abstract
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This study investigated the quality characteristics and antioxidant effects of rice cookies containing different percentage of freeze-dried plum powder (3%, 5%, 6%, and 12%). The density of the dough and the thickness of the rice cookies from the control group and the additive group were not significantly different. The pH value of the dough, its moisture content and spread factor, as well as the Hunter’s L and b values of the rice cookies significantly decreased as the amount of dried plum powder added increased.
However, the sweetness, hardness, thickness, Hunter’s a value, total polyphenol, total flavonoid and anthocyanin contents, DPPH and ABTS free radials scavenging activity, and ferric reducing antioxidant power of the rice cookies significantly increased as the amount of dried plum powder added increased. Overall, the results of this study showed that adding dried plum power enhanced the antioxidant activities and quality characteristics of rice cookies.
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KEYWORD
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dried plum powder, rice cookie, antioxidant activity, quality characteristics
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