Effects of trigonelline-containing vitamin supplementation on noise exposure-induced vascular endothelial dysfunction

Murakami Ayako, Miura Hajime, Nakamura Mizuki, Ra Song-Gyu

doi:10.7600/jspfsm.74.131

<p>With the progress of industrialization, physical environmental factors, such as traffic and environmental noise, have been shown to increase the risk of cardiovascular and metabolic diseases. Although antioxidant vitamins and trigonelline-containing compounds are known to improve the arterial function, their relationship with noise has not yet been fully investigated. This study aimed to investigate the effects of oral antioxidant vitamins and trigonelline-containing supplements on the vascular endothelial function during transient noise exposure. A single-blind crossover comparative study evaluated the vascular endothelial function in response to noise exposure in ten healthy men. Subjects were assigned to either the P trial (taking only a placebo) or a T trial (taking only trigonelline-containing vitamin supplementation) group where they took the assigned substance for 3 consecutive days. On the final day, they received an average noise exposure of 85 dB for 15 min. The FMD of the brachial artery was measured before and after noise exposure. No significant differences SBP, DBP, or HR before and after noise exposure were observed between the two trials groups. At 0 min after noise exposure, the FMD was higher in the T trial group than in the P trial group, and a significant difference was observed between the two conditions. It has been suggested that taking a vitamin supplement containing trigonelline before transient noise exposure may suppress the decline in the vascular endothelial function.</p>

Effects of trigonelline-containing vitamin supplementation on noise exposure-induced vascular endothelial dysfunction

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