The invention discloses a
quercetin pill for reducing hypertension by improving the vascular endothelial function, and relates to the technical field of
quercetin pharmaceutical preparations. Comprising
quercetin,
eucommia ulmoides extract, hydroxypropyl-beta-
cyclodextrin and hydroxypropyl methylcellulose. The quercetin
pill can be used for preparing medicines for preventing and / or treating vascular
endothelial dysfunction related cardiovascular diseases, especially hypertension closely related to a vascular endothelial injury mechanism.
Quercetin promotes synthesis and release of
nitric oxide of vascular endothelial cells, and NO is a powerful vasodilator and can diffuse to
vascular smooth muscle cells, activate
guanylate cyclase and increase
cyclic guanosine monophosphate in the cells, so that the vascular smooth muscles are relaxed, blood vessels are expanded, and the vascular endothelial function is improved. In addition, quercetin can inhibit expression of inflammatory adhesion molecules and recruitment of inflammatory cells, so that
inflammatory response of
vascular endothelium is relieved. The problem that the use of quercetin in the aspect of reducing hypertension is limited in the prior art is solved.