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KMID : 0665420100250060795
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Korean Journal of Food Culture
2010 Volume.25 No. 6 p.795 ~ p.800
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Antioxidant Activities of Riceyeotgangjung with Added Spirulina Powder
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Kim Hyo-Jin
Shim Eun-Kyung
Kim Hye-Ran
Kim Mee-Ree
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Abstract
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The objective of this study was to develop high quality Riceyeotgangjung (RYG) with high antioxidant activity and a longer shelf-life. Spirulina (1, 2, and 3%) with added RYG was prepared, and antioxidant activities were examined under storage at 60oC for 15 days. The total phenol content remaining in the spirulina with added RYG at 15 days of storage was much higher than that of fresh RYG without spirulina. The IC50 values for DPPH and hydroxyl radical scavenging activities decreased with increasing amounts of spirulina, whereas these values increased with storage time. TBA and peroxide values decreased with increasing amounts of spirulina. From these results, adding spirulina to RYG delayed lipid rancidity and prolonged shelf-life. Adding spirulina powder to RYG, which is a healthy functional food material, improved antioxidant activity and delayed deterioration during storage.
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KEYWORD
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spirurina, Riceyeotgangjung, antioxidant activity
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