The effectivity of Difructose Anhydride III to increase absorption of calcium in the femur bone of calcium deficient rats
Background: Dried yogurt enriched by Difructose Anhydride III when used as a functional food has been observed to increase calcium absorption, making it useful in osteoporosis prevention. The objective of this study was to analyze the effectiveness of Difructose Anhydride III in increasing the absorption of calcium in female rat models, strain Sprague Dawley, in the pre-menopausal age during which they’re calcium deficient.
Methods: The effectiveness test of Difructose Anhydride III to increase absorption of calcium in pre-menopausal Sprague Dawley rats was performed in calcium-deficient conditions. A completely randomized experimental design was used with 4 treatments for 6 weeks and 4 replications: normal rats fed with purified diet (C), calcium-deficient rats fed with calcium-deficient diet (CD), calcium-deficient rats fed with calcium-deficient diet and DFA III (dahlia tubers) fortified in dry yogurt (CD+DFA III dahlia), and calcium-deficient rats fed with a calcium-deficient diet and DFA III (chicory roots) fortified in dry yogurt (CD+DFA III chicory). The parameters measured were serum calcium concentration, femur bone calcium concentration, femur bone matrix condition, and femur bone strength.
Results: DFA III (dahlia tubers and chicory roots) fortified in dry yogurt contained 0.334% and 0.322% of calcium concentration. The provision of a calcium-deficient diet for 12 weeks was shown to reduce the serum calcium concentration of the deficient calcium rat to 7.72±1.08 mg dL-1 and the control rat to 11.60±0.85 mg dL-1. CD+DFA III chicory treatments also showed a high calcium concentration in the femur bone (34.94±3.21%), a relatively higher bone strength (9.34±3.61 kg cm-2), and a denser femur bone matrix condition than the control. The femur bone calcium level of rats treated with CD+DFA III dahlia and chicory tubers was 28.95±1.95% and 34.94±3.21%, respectively. These results were significantly different than the CD treatment (17.49±4.38%).
Conclusion: The evidence from this study suggests that sufficient calcium intake could provide high calcium deposits in the bones. Diets containing 3.60% w/w DFA III fortified in dry yogurt have been shown to enhance calcium absorption in calcium-deficient rats. Additionally, the effectiveness of dried yogurt enriched by DFA III from chicory tubers was higher than that of the dried yogurt enriched by DFA III from dahlia tubers.
Preclinical Trial Registration: Animal Ethics Committee at IPB University No. 12-2013
Keywords: Bone femur; calcium deficiency; effectivity of Difructose Anhydride III
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