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The Effects of Goami No. 2 Rice, a Natural Fiber-Rich Rice, on Body Weight and Lipid Metabolism
Article first published online: 6 SEP 2012
2006 North American Association for the Study of Obesity (NAASO)
Volume 14, Issue 3, pages 423–430, March 2006
How to Cite
Lee, K.W., Song, K.E., Lee, H.S., Kim, Y.K., Lee, S.W., Kim, D.J., Hwang, W.S., Choe, S.J., Kim, Y.S. and Kim, T.Y. (2006), The Effects of Goami No. 2 Rice, a Natural Fiber-Rich Rice, on Body Weight and Lipid Metabolism. Obesity, 14: 423–430. doi: 10.1038/oby.2006.56
- Issue published online: 6 SEP 2012
- Article first published online: 6 SEP 2012
- Received for review December 15, 2004; Accepted in final form December 23, 2005
- dietary fiber;
Objective: Increased intake of dietary fiber reduces the risk of obesity and type 2 diabetes. We assessed the effects of a fiber-rich diet on body weight, adipokine concentrations, and the metabolism of glucose and lipids in non-obese and obese subjects in Korea, where rice is the main source of dietary carbohydrates.
Research Methods and Procedures: Eleven healthy, non-obese and 10 obese subjects completed two 4-week phases of individual isoenergetic food intake. During the control diet phase, subjects consumed standard rice; during the modified diet phase, subjects consumed equal proportions of fiber-rich Goami No. 2 rice and standard rice. We used a randomized, controlled, crossover study design with a washout period of 6 weeks between the two phases.
Results: After the modified diet phase, body weight was significantly lower in both the non-obese and obese subjects (non-obese, 57.0 ± 2.9 vs. 56.1 ± 2.8 kg, p = 0.001; obese, 67.7 ± 2.1 vs. 65.7 ± 2.0 kg, p < 0.001 for before vs. after). The BMI was significantly lower in obese subjects (26.9 ± 0.5 vs. 26.0 ± 0.6 kg/m2, p < 0.001). The modified diet was associated with lower serum triacylglycerol (p < 0.01), total cholesterol (p < 0.01), low-density lipoprotein cholesterol (p < 0.05), and C-peptide (p < 0.05) concentrations in the obese subjects.
Discussion: These results indicate that fiber-rich Goami No. 2 rice has beneficial effects and may be therapeutically useful for obese subjects.