Abstract
Objectives This study aimed to explore the protective mechanism of caffeic acid (CAA) and chlorogenic acid (CHA) on cyclosporine (CSA) induced hypertensive rats. Methods Effect of CAA and CHA on diastolic blood pressure (DBP), mean arterial pressure (MAP), angiotensin-converting enzyme (ACE), e-nucleotide triphosphate dephosphorylase (e-NTPDase), 5' nucleotidase and adenosine deaminase (ADA) activity in CSA-induced hypertensive rats were determined. Results CAA and CHA administration stabilized hypertensive effect caused by CSA administration. Also, altered activity of ACE (lung), e-NTPDase, 5' nucleotidase, ADA as well as elevated malondiadehyde (MDA) level was restored in all the treated hypertensive rats in comparison with the untreated hypertensive rats. Conclusion Hence, these observed results could underlie some of the mechanisms through which CAA and CHA could offer antihypertensive effect.
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