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KMID : 0665220210340010015
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Korean Journal of Food and Nutrition
2021 Volume.34 No. 1 p.15 ~ p.25
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Quality and Antioxidant Properties of Jelly according to Addition of Orostachys japonicus
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Lee Ji-Yoon
Jin So-Yeon
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Abstract
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This study aimed to investigate the antioxidant activities and quality characteristics of jelly added with Orostachys japonicus juice.
The moisture content and the soluble solids content of the jelly samples decreased significantly with increasing content of O. japonicus. The pH was highest in the control samples, and the pH significantly decreased with the addition of increasing amounts of O. japonicus. In terms of the chromaticity measurements, the lightness value and redness value was highest in the control sample, and it decreased as the amount of added O. japonicus increased, whereas the yellowness value increased with increasing levels of O. japonicus added.
The gumminess and chewiness of the jelly increased with the addition of increasing amounts of O. japonicus. On the other hand, the cohesiveness and adhesiveness of the jelly did not show statistically significant changes. The total polyphenol and DPPH radical scavenging activities of the jelly with 100% O. japonicus added were significantly higher than those of the jelly with 0% O. japonicus added. Regarding the sensory evaluation, the sample with 75% O. japonicus added was perceived to have the best color, flavor, O. japonicus flavor, chewiness, and overall preference.
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KEYWORD
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Orostachys japonicus, jelly, antioxidant activity, sensory evaluation, quality characteristics
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