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자료유형
학술저널
저자정보
Seo, Woo-Duck (Department of Functional Crop, National Institute of Crop Science [NICS], Rural Development Administration [RDA]) Kim, Jun-Young (Department of Functional Crop, National Institute of Crop Science [NICS], Rural Development Administration [RDA]) Han, Sang-Ik (Department of Functional Crop, National Institute of Crop Science [NICS], Rural Development Administration [RDA]) Ra, Ji-Eun (Department of Functional Crop, National Institute of Crop Science [NICS], Rural Development Administration [RDA]) Lee, Jin-Hwan (Department of Monitoring and Analysis, NAKDONG River Basin Environmental Office, Ministry of Environment) Song, You-Chun (Department of Functional Crop, National Institute of Crop Science [NICS], Rural Development Administration [RDA]) Park, Mi-Jin (Department of Functional Crop, National Institute of Crop Science [NICS], Rural Development Administration [RDA]) Kang, Hang-Won (Department of Functional Crop, National Institute of Crop Science [NICS], Rural Development Administration [RDA]) Oh, Sea-Kwan (National Institute of Crop Science, Rural Development Administration) Jang, Ki-Chang (Department of Fun)
저널정보
한국응용생명화학회 Applied Biological Chemistry Applied Biological Chemistry 제54권 제5호
발행연도
2011.1
수록면
693 - 699 (7page)

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초록· 키워드

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Total polyphenolic, protein, lipid, and anthocyanin contents in grains of 12 Korean colored rice varieties were evaluated for their 2,2-di(4-tert-octylphenyl)-1-picrylhydrazyl) (DPPH) and 2,2-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium (ABTS) radical- scavenging activities. Three anthocyanins, cyanidin-3-O-glucoside (Cy-3-G), petunidin-3-O-glucoside (Pt-3-G), and peonidin-3-O-glucoside (Pn-3-G), were also characterized by ultra performance liquid chromatography. Among the rice varieties, 'Heugjinju', 'Heugseol', and 'Sintoheugmi' contained high total phenolic contents compared to other varieties. Anthocyanin content was highest in 'Heugjinju'; no anthocyanins were detected in 'Hongjinju' and 'Jeogjinju'. Highest antioxidant activity was observed in 'Heugjinju' and 'Jeogjinju' exhibited the lowest activity. To determine the correlation of total polyphenolic and anthocyanin contents to antioxidant activity, linear regression analysis was carried out. The results showed total polyphenolic content was strongly correlated with antioxidant activity, suggesting total phenolic content as key factor in antioxidant activity of colored rice. 'Heugjinju', 'Heugseol', and 'Sintoheugmi' could have important nutritional value.

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