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Title: Effect of consumption of fatty acids, calcium, Vitamin D and boron with regular physical activity on bone mechanical properties and corresponding metabolic hormones in rats
Authors: Naghii, M R
Ebrahimpour, Y
Darvishi, P
Ghanizadeh, G
Mofid, M
Torkaman, G
Asgari, A R
Hedayati, M
Keywords: Bone;Boron;Calcium;Fatty Acids;Hormones;Vit D;Vibration
Issue Date: Mar-2012
Publisher: NISCAIR-CSIR, India
Abstract: The consumption of fatty acids, nutrients, and regular physical activity, individually influence bone mechanical properties in rats. To investigate their effects in combination, male rats were divided into the seven groups: G1: regular food and drinking water; G2: same as Gr.1 + physical activity (Whole body vibration; WBV); G3: same as Gr.2 + Calcium, Vit. D, Boron; G4: same as Gr.3 + canola oil; G5: same as Gr.3 + sunflower oil; G6: same as Gr.3 + mix of sunflower oil and canola oil; and G7: same as Gr.3 + coconut oil; and treated for 8 weeks. Analysis between the control with the groups 2 and 3 revealed that vibration in the G2 increased the body weight (P= 0.04), with no other major difference in plasma and bone indices. Comparison between the control with the G4-G7 (the oil groups) revealed that the rats in the G5 had a lower body weight (15 % less) and a significant increase in plasma levels of Estradiol in the G7 was noted. In addition, levels of Testosterone in the G4 and G7, and Free Testosterone in the G7 had a remarkable increase. Similar trend was observed for plasma levels of Vit. D in the G4 and G5. The stiffness and the breaking strength of the femur in the G7, and the breaking strength of the lumbar in the G7 compared to the control and the G4 and G5 was significantly higher and tended to increase in comparison to the G6. Better and stronger measurements observed for coconut oil is warranted to further study its effect on biomechanical properties of bones.
Page(s): 223-231
ISSN: 0975-1009 (Online); 0019-5189 (Print)
Appears in Collections:IJEB Vol.50(03) [March 2012]

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