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http://dx.doi.org/10.3746/jkfn.2011.40.6.781

The Change in Biological Activities of Brown Rice and Germinated Brown Rice  

Kim, Dae-Jung (National Institute of Crop Science, Rural Development Administration)
Oh, Sea-Kwan (National Institute of Crop Science, Rural Development Administration)
Yoon, Mi-Ra (National Institute of Crop Science, Rural Development Administration)
Chun, A-Reum (National Institute of Crop Science, Rural Development Administration)
Choi, Im-Soo (National Institute of Crop Science, Rural Development Administration)
Lee, Dong-Hyun (Misillan Company)
Lee, Jun-Soo (Dept. of Food Science and Technology, Chungbuk National University)
Yu, Kwang-Won (Division of Food and Biotechnology, Chungju National University)
Kim, Yeon-Kyu (National Institute of Crop Science, Rural Development Administration)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.40, no.6, 2011 , pp. 781-789 More about this Journal
Abstract
We studied the biological activities, including antioxidant compounds, antioxidant activities, anti-proliferative activities, and immunological activities of brown rice and germinated brown rice. We examined the DPPH, ABTS radical scavenging activity, and reducing power of 70% ethanol extracts from some cultivars of brown rice and germinated brown rice. The total polyphenol, total flavonoid, and ${\gamma}$-oryzanol contents of the extracts were measured with spectrophotometric methods. The Hongjinjubeyo brown rice and germinated brown rice extracts showed markedly higher antioxidative activity than those of 70% ethanol extracts from other cultivars. The 70% ethanol extracts from brown rice and germinated brown rice had the most effective anti-proliferative activity (cytotoxicity) against breast cancer cells (MCF-7) compared to colorectal cancer cells (HCT-116). A $500\;{\mu}g$/mL concentration of 70% Hongjinjubyeo ethanol extract had higher macrophage and mitogenic activities of immunological activity than other cultivars.
Keywords
brown rice; germinated brown rice; antioxidant; mitogenic activity; anti-proliferative activity;
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Times Cited By KSCI : 13  (Citation Analysis)
Times Cited By SCOPUS : 0
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