Abstract
ObjectiveThe aim of this study was to compare the effects of medium light roast (MLR) and medium roast (MR) paper-filtered coffee on cardiovascular risk factors in healthy volunteers. MethodsThis randomized crossover trial compared the effects of consuming three or four cups (150 mL) of MLR or MR coffee per day for 4 wk in 20 healthy volunteers. Plasma lipids, lipoprotein(a) (Lp[a]), total homocysteine, and endothelial dysfunction–related inflammation biomarkers, serum glycemic biomarkers, and blood pressure were measured at baseline and after each intervention. ResultsBoth roasts increased plasma total cholesterol, low-density lipoprotein-cholesterol, and soluble vascular cell adhesion molecule-1 (sVCAM-1) concentrations (10%, 12%, and 18% for MLR; 12%, 14%, and 14% for MR, respectively) (P < 0.05). MR also increased high-density lipoportein-cholesterol concentration by 7% (P = 0.003). Plasma fibrinogen concentration increased 8% after MR intake (P = 0.01), and soluble E-selectin increased 12% after MLR intake (P = 0.02). No changes were observed for Lp(a), total homocysteine, glycemic biomarkers, and blood pressure. ConclusionModerate paper-filtered coffee consumption may have an undesirable effect on plasma cholesterol and inflammation biomarkers in healthy individuals regardless of its antioxidant content.
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