Antithrombosis and Antioxidant Activity of Methanol Extract from Different Brands of Rice

시판 쌀 메탄을 추출물의 항혈전 및 항산화 활성

  • Sohn, Ho-Yong (Dept. of Food and Nutrition, Andong National University) ;
  • Kwon, Chong-Suk (Dept. of Food and Nutrition, Andong National University) ;
  • Son, Kun-Ho (Dept. of Food and Nutrition, Andong National University) ;
  • Kwon, Gi-Seok (The School of Bioresource Sciences, Andong National University) ;
  • Kwon, Yun-Suk (Dept. of Food and Nutrition, Andong National University) ;
  • Ryu, Hee-Young (Dept. of Food and Nutrition, Andong National University) ;
  • Kum, Eun-Joo (Dept. of Food and Nutrition, Andong National University)
  • 손호용 (안동대학교 식품영양학과) ;
  • 권정숙 (안동대학교 식품영양학과) ;
  • 손건호 (안동대학교 식품영양학과) ;
  • 권기석 (안동대학교 생명자원과학부) ;
  • 권윤숙 (안동대학교 식품영양학과) ;
  • 류희영 (안동대학교 식품영양학과) ;
  • 금은주 (안동대학교 식품영양학과)
  • Published : 2005.06.01


Antithrombosis and antioxidant activity of the methanol extracts, which were prepared from 51 different brands of rice, were evaluated to investigate bioactive-substances. Among them, the extract of sample No. 2, 25, 40 and 41 showed strong thrombin inhibition activities ($401\~764\%$ inhibition at 5 mg/mL), and the extract of sample No. 5, 9, 23, 36, 44 and 48 showed strong DPPH scavenging activities ($40.8\~64.1\%$ at 0.4 mg/mL), respectively. The average contents of total flavonoid and polyphenol with 50 brands of rice were 51.89 mg/kg and 195.23 mg/kg, respectively. However, the activities were not linked with the contents of flavonoid and polyphenol. By the treatment at $100^{\circ}C$ for 10 min, the activities of the selected rices were severely decreased. Maximal remaining activities of antithrombosis and antioxidant were $208\%$ of No. 40 and $23.2\%$ of No. 48, respectively. These results support a functional superiority of rice-based livelihood, and suggest that the development of healthy food using functional ingredients of rice is possible.


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