Publication: Evaluation of the effects of mulberry leaf extracts Morus alba L. on cardiovascular, renal, and platelet function in experimental arterial hypertension
Authors
Aghdam, Masoud Akbari ; Pagán, Ana ; García-Estañ López, Joaquín ; Marín Atucha, Noemí
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Facultades de la UMU::Facultad de Medicina
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Publisher
MDPI
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DOI
https://doi.org/10.3390/nu17010049
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info:eu-repo/semantics/article
Description
Abstract
Introduction: Numerous epidemiological studies have demonstrated that consuming foods rich in polyphenols and flavonoids can have beneficial effects on various diseases, including arterial hypertension (HTN). Recent research from our laboratory has shown that certain flavonoids exhibit antihypertensive properties in several animal models of HTN. Our objective was to evaluate the effect of Morus alba L. (white mulberry) extracts in an experimental HTN model characterized by nitric oxide (NO) deficiency. Methods: Male Sprague-Dawley rats were divided into four groups: a control group, hypertensive rats treated with an NO synthesis inhibitor (L-NAME) in drinking water for six weeks, L-NAME rats treated with Morus alba L. extract, and L-NAME rats treated simultaneously with captopril. After six weeks of treatment, we measured blood pressure, endothelial vascular function in the aorta, and platelet aggregation function. Results: Morus alba L. extract partially prevented the development of arterial hypertension due to NO deficiency, although it did not completely normalize blood pressure as captopril did. The extract reduced the excessive vasoconstrictor response to phenylephrine in aortic rings and improved vasodilation in response to acetylcholine, with both effects dependent on increased NO production. Morus alba L. extract also reduced the increased platelet aggregation in response to ADP and collagen in hypertensive animals, although it did not fully normalize this function. Conclusions: Morus alba L. extract demonstrates antihypertensive effects, improves vascular reactivity, and reduces platelet aggregation in a model of arterial hypertension. These effects are primarily related to an increase in nitric oxide activity.
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Citation
Aghdam, M. A., Pagán, A., García-Estañ, J., & Atucha, N. M. (2025). Evaluation of the Effects of Mulberry Leaf Extracts Morus alba L. on Cardiovascular, Renal, and Platelet Function in Experimental Arterial Hypertension. Nutrients, 17(1), 49. https://doi.org/10.3390/nu17010049
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