The Korean Journal of Food And Nutrition (한국식품영양학회지)

The Korean Society of Food and Nutrition (한국식품영양학회)
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Antioxidant and Anti-Adipogenic Effects of Colored and Brown Rice Extracts Depending on Cultivars

품종별 유색미 및 현미 추출물의 항산화 활성 및 지방축적 억제 효과

  • Kim, Min Young (Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Park, Hye Young (Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Lee, Yu-Young (Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Lee, Byong Won (Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Kim, Mi Hyang (Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Lee, Jin Young (Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Lee, Jong Hee (Department of Southern Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Kang, Moon-Suk (Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Koo, Bon Cheol (Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration) ;
  • Kim, Hyun-Joo (Department of Central Area Crop Science, National Institute of Crop Science, Rural Development Administration)
  • 김민영 (국립식량과학원 중부작물부 수확후이용과) ;
  • 박혜영 (국립식량과학원 중부작물부 수확후이용과) ;
  • 이유영 (국립식량과학원 중부작물부 수확후이용과) ;
  • 이병원 (국립식량과학원 중부작물부 수확후이용과) ;
  • 김미향 (국립식량과학원 중부작물부 수확후이용과) ;
  • 이진영 (국립식량과학원 중부작물부 수확후이용과) ;
  • 이종희 (국립식량과학원 남부작물부 논이용작물과) ;
  • 강문석 (국립식량과학원 중부작물부 수확후이용과) ;
  • 구본철 (국립식량과학원 중부작물부 수확후이용과) ;
  • 김현주 (국립식량과학원 중부작물부 수확후이용과)
  • Received : 2020.02.11
  • Accepted : 2020.03.26
  • Published : 2020.04.30
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Abstract

The purpose of this study was to investigate antioxidant characteristics and anti-adipogenic effects of colored rice and brown rice extracts in 3T3-L1 adipocyte depending on cultivar (Josaengheugchal, Heugjinmi, Hongjinju, Geongganghongmi, Seolgaeng, Milyang 320, Sindongjin, Baegjinju). Colored rice and brown rice was extracted with 100% ethanol, followed by the analysis of polyphenol, flavonoid, anthocyanin, antioxidant, and anti-adipogenic activity. Total polyphenol and flavonoid content ranged from 6.86~314.08 mg GAE/g and 1.47~56.88 mg CE/g the highest total polyphenol and flavonoid content was observed in Heugjinmi cultivar. Anthocyanin composition was analyzed by HPLC, cyanidin-3-gluoside and peonidin-3-glucoside was found in black rice including Josaengheugchal and Heugjinmi. Also, the ABTS and DPPH radical scavenging activity of colored rice cultivars was higher than that of brown rice cultivars, the highest ABTS radical scavenging activity also was observed in Heugjinmi (128.20 mg TE/g). The anti-adipogenic effects of colored rice and brown rice extracts on differentiation of 3T3-L1 preadipocytes evaluated that extracts of Heugjinmi cultivar significantly reduced intracellular lipid accumulation. These results provide valuable information for the use of Korean colored rice cultivar as a functional food materials relative to anti-obesity.

Keywords

References

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