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Coconut oil supplementation reduces blood pressure and oxidative stress in spontaneously hypertensive rats
BMC Proceedings volume 8, Article number: P68 (2014)
Background
Oxidative stress has been implicated in the pathogenesis of hypertension and antioxidant compounds have been used in the prevention and treatment of this disease. In this context, coconut oil (CO) was found to have antioxidant property due to its high polyphenol content. In this study, we investigated the effects caused by chronic treatment with CO on mean arterial pressure (MAP), heart rate (HR), and lipid peroxidation in spontaneously hypertensive rats (SHR).
Methods
SHR and their controls (Wistar Kyoto, WKY) were orally treated with coconut oil (2 ml/day) or saline for thirty days. Cardiovascular parameters were evaluated 24 hours after the end of the thirtieth day. Serum oxidative stress was measured by tiobarbituric acid reactive species assay (TBARS).
Results and conclusions
The administration of CO was able to reduced the MAP of SHR compared to SHR treated with saline (146 ± 11 n = 5 vs. 174 ± 6 n = 8 mmHg, respectively, p < 0.05). On the other hand, treatment with CO had no effect on MAP of WKY compared with WKY treated with saline (136 ± 3 n = 6 vs. 113 ± 1 mmHg n = 8, respectively, p < 0.05). In addition, CO supplementation reduced lipid peroxidation in the SHR group compared to SHR + saline (13.7 ± 2 vs. 27.5 ± 5 nmol/g n = 7, respectively, p < 0.05) and also reduced in WKY compared with WKY treated with saline (11.5 ± 1 vs. 21.9 ± 2 nmol/g n = 7 respectively, p < 0.05). We concluded that treatment with coconut oil (2 ml/day) for thirty days reduces the blood pressure and oxidative stress in hypertensive rats.
References
Dauqan E, Sani HA, Abdullah A, Kasim ZM: Effect of four different vegetable oils (red palm olein, palm olein, corn oil, coconut oil) on antioxidant enzymes activity of rat liver. Pakistan Journaf of Biological Sciences. 2011, 14 (6): 399-403.
DebMandal M, Mandal S: Coconut (Cocos nucifera L.: Arecaceae): in health promotion and disease prevention. Asian Pacific Journal of Tropical Medicine. 2011, 4 (3): 241-247. doi: 10.1016/S1995-7645(11)60078-3
Acknowledgements
Biotechnology Center - Universidade Federal da Paraíba
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Bandeira Alves, N.F., Alves, N., Porpino, S. et al. Coconut oil supplementation reduces blood pressure and oxidative stress in spontaneously hypertensive rats. BMC Proc 8 (Suppl 4), P68 (2014). https://doi.org/10.1186/1753-6561-8-S4-P68
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DOI: https://doi.org/10.1186/1753-6561-8-S4-P68