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콩 이소플라본 첨가 아이스크림이 제2형 당뇨모델 마우스의 당뇨 지표에 미치는 영향

Effects of ice creams supplemented with soy isoflavones on diabetic biomarkers in type II model mice

  • 양선희 (대구대학교 식품영양학과) ;
  • 최영선 (대구대학교 식품영양학과)
  • 투고 : 2014.01.28
  • 심사 : 2014.02.17
  • 발행 : 2014.02.28

초록

고지방식이에 의해 경중 정도의 비만과 당뇨가 유발되는 제2형 당뇨동물 모델인 C57BL/6J-ob/ob 마우스에서 콩 이소플라본 단독 또는 콩 이소플라본과 올리고당을 첨가한 우유 아이스크림이 당뇨지표에 미치는 영향을 조사함으로써 콩 이소플라본 첨가 아이스크림의 항당뇨 효능을 조사하였다. 5주령 된 C57BL/6J-ob/ob 수컷 마우스를 1주일간 적응시킨 후 대조군과 설탕 첨가 아이스크림(MS), 콩 이소플라본 첨가 아이스크림(MS-SI), 콩 이소플라본/프럭토올리고당 첨가 아이스크림(MF-SI)을 대조식이에 30% 첨가하여 12주 동안 자유롭게 섭취시켰다. 희생 후 당뇨 지표에 해당하는 경구 당부하 혈당 반응, 공복혈당, 인슐린, C-peptide, $HbA_{1c}$ 및 렙틴 농도와 중성지방, 그리고 비장세포 증식능과 비장세포에서 분비되는 사이토카인인 IL-6과 TNF-${\alpha}$에 미치는 효과를 측정한 결과 군간 유의한 차이를 보이지 않았다. 결론적으로 제2형 당뇨모델 마우스에서 우유 아이스크림에 첨가된 콩 이소플라본이 당뇨 지표에 긍정적인 효과를 나타내지 않았다.

The aim of this study was to determine whether the addition of soy isoflavones to dairy ice cream modifies diabetic biomarkers in the type 2 diabetic model mice. Forty male C57BL/6J-ob/ob mice were randomly divided into 4 groups and fed control diet (basal, 7% fat), MS diet (milk ice cream with sugar, 20% fat), MS-SI diet (MS ice cream with 0.01% soy isoflavones, 20% fat), or MF-SI diet (milk ice cream with 0.01% soy isoflavones, 5% fructooligosaccharide, 20% fat) for 12 weeks. Blood response area by glucose tolerance test, plasma levels of glucose, insulin, C-peptide, leptin, and blood $HbA_{1c}$ were not significantly different among all the groups. Concentrations of interleukin-6 and tumor necrosis factor-${\alpha}$ secreted from splenocytes induced by Concanavalin A were not significantly different among all the groups. In conclusion, soy isoflavones supplemented to ice cream did not alter diabetic biomarkers in diabetic type 2 model mice.

키워드

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