Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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Correlation of Antioxidant and Antimutagenic Activity with Content of Pigments and Phenolic Compounds of Colored Rice Seeds

유색미 색소체 및 페놀성화합물 함량과 항산화.항변이원성 간의 상관관계

  • Kang, Mi-Young (Department of Food Science and Nutrition, Kyungpook National University) ;
  • Shin, Soo-Young (Department of Food Science and Nutrition, Kyungpook National University) ;
  • Nam, Seok-Hyun (Department of Biological Science, Ajou University)
  • Published : 2003.10.01
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Abstract

Twenty-three cultivars of colored rice were collected from inside and outside Korea to determine the contents of pigments and phenolic compounds, and also to compare their correlations with antioxidativity and antimutagenicity. The pigment content decreased in the order of LK 1-3-6-12-1-1>LK 1D 2-7-12-1-1>Elwee>Mutumanikam>IR 1544-38-2-2-1-2-2>wx 124-163-45-7-1-1-1, LK 1A-2-12-1-1. Polyphenolic content was the greatest in IR 17491-5-4-3-3 with a ratio of 0.244 g per 100 g brown rice, followed by LK 1-3-6-12-1-1>LK 1D2-12-1>Elwee>Mutumanikam 7 IR 1544-38-2-2-1-2-2, LK 1A-2-12-1-1. The pigment contents for each colored rice cultivar showed a highly positive correlation with polyphenolics in colored rice seeds. For chromaticity, a positive correlation was exhibited between the lightness and hydroxyl radical scavenging activity. In contrast, a negative correlation was observed between the redness and the inhibitory effect of lipid peroxidation.

국내 외에서 수집 재배한 23품종 유색미의 색소 및 페놀성 화합물의 양을 측정하고 항산화성 및 항변이원성과의 상관성을 각각 비교하였다. 색소의 함량은 LK 1-3-6-12-1-1>LK ID 2-7-12-1-1>Elwee>Mutumanikam>IR 1544-38-2-2-1-2-2>wx 124-163-45-7-1-1-1, LK 1A-2-12-1-1 등의 순서로 나타났다. 폴리페놀화합물의 양은 IR 17491-5-4-3-3 품종이 현미 100g 당 0.244g으로서 가장 높은 함량을 보였으며, 그 다음은 LK 1-3-6-12-1-1>LK ID2-12-1>Elwee>Mutumanikam>IR 1544-38-2-2-1-2-2, LK IA-2-12-1-1 등의 순이었다. 유색미 품종별 색소의 함량은, 유색미 함유 생리활성 성분 중 총 폴리페놀 화합물의 함량과 높은 정의 상관성이 있었으며, 색도상의 lightness는 hydroxyl radical 소거활성과 정의 상관성이 있었으나, redness는 지질과산화 억제활성과 부의 상관성을 보였다.

Keywords

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