Potrivit unui studiul realizat în China, capsaicina, substanţa care dă iuţeala ardeilor, ingerată pe o perioadă mai lungă de timp, are efectul reducerii tensiunii arteriale. Cercetătrii chinezi au observat acest lucru în urma unor experimente de laborator desfăşurate pe cobai.
„Am descoperit că o dietă îndelungată care conţine capsaicină, substanţă ce se găseşte din abundenţă în ardeiul iute, poate reduce tensiunea arterială a unor cobai modificaţi genetic pentru a fi hipertensivi”, a spus Zhiming Zhu de la Universitarea de Medicină Militară din Chongqing, pentru The Independent.
Studiul arată că această substanţă acţionează activând un „canal” special în vasele de sânge, canal denumit TRPV1. Atunci când acest canal este activat, creşte sinteza de oxid nitric în vasele de sânge, substanţă cu proprietăţi antiinflamatoare.
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