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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.12
- 수록면
- 555 - 563 (9page)
- DOI
- 10.17495/easdl.2023.12.33.6.555
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초록· 키워드
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This study evaluated the antioxidant, anti-inflammatory, and anti-diabetic activities of normal (Saeilmi) and colored rice cultivars (Boseogheugchal, Hongjinju, Heugjinmi-crossbreed of Boseogheugchal and Hongjinju). Nutritional and functional components of four rice cultivars were analyzed. Extracts were prepared using 50% ethanol and then freeze-dried for functional analyses. Antioxidant effects were determined by evaluating total polyphenolic contents and DPPH- and ABTS radical scavenging activities. Anti-inflammatory activities were assessed by measuring the concentration of nitric oxide (NO) produced by RAW 264.7 cells, and anti-diabetic activities were investigated by determining α-amylase and α-glucosidase inhibitory activities. Crude protein, Ca, anthocyanin, total flavonoid, and total polyphenolic contents were higher in colored rice cultivars than in normal rice, and ‘Heugjinmi’ had the highest values among the colored varieties. Colored rice cultivars exhibited better DPPH- and ABTS radical scavenging activities than normal rice. All rice extracts were nontoxic and dose-dependently inhibited NO production in lipopolysaccharide-stimulated RAW 264.7 cells. ‘Boseogheugchal’ and ‘Heugjinmi’ cultivars showed more inhibitory activity against α-amylase. In addition, colored rice varieties more effectively inhibited α-glucosidase activity than normal rice. Consequently, our results suggest that colored rice, especially the ‘Heugjinmi’ cultivar, could be used for health foods due to their higher phytochemical concentrations and functional activities.
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