Preventive Nutrition and Food Science

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Effects of Rubus coreanus-Cheonggukjang on Bone Mineral Density and Bone Mineral Content in Growing Rats

  • Jung, Yun-Jung (Department of Food and Nutrition, Keimyung University) ;
  • Choi, Mi-Ja (Department of Food and Nutrition, Keimyung University)
  • Received : 2015.11.03
  • Accepted : 2015.12.14
  • Published : 2015.12.31
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Abstract

The purpose of the present study was to investigate the bone-conserving effects of Rubus coreanus-Cheonggukjang (RC-CGJ) supplemented with more intensified phytochemicals compared to general Cheonggukjang (CGJ) in growing rats. Eighteen rats were divided into 3 treatment groups (Control, CGJ, and RC-CGJ) and were given experimental diets for 9 weeks. All of the rats in this study were fed a AIN-93G-based diet. Both CGJ groups were fed with 33.1% CGJ and RC-CGJ powder, respectively. The results of this study indicate that weight gain, mean food intake, and food efficiency ratio were not significantly different by the experimental diets among all groups. Spine bone mineral density (BMD) and femur BMD were not significantly different by the experimental diets. Spine bone mineral content (BMC) was significantly higher in the RC-CGJ and CGJ groups than in the control group, regardless of CGJ type. The femur BMC of the CGJ supplemented group was significantly higher compared with the control group and the RC-CGJ group. Compared with the control group, spine BMD and femur BMD per weight were markedly increased in the RC-CGJ and CGJ group regardless of CGJ type. Also, spine BMC per weight was significantly higher in the RC-CGJ group than in the CGJ group. However, femur BMC per weight was significantly higher in the CGJ group than in the RC-CGJ group. It can be concluded that RC-CGJ and CGJ supplemented diets have more beneficial effects on spine and femur peak bone mass in growing rats.

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References

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