This clinical trial was conducted to assess the lipid-lowering activity of oat noodles by replacing partial staple food (wheat or rice noodle) in normal and mildly hypercholesterolemic subjects. Totally 84 healthy and mild hypercholesterolemic subjects were recruited and divided into 2 groups as experimental (oat noodles) and placebo (wheat noodles) and instructed to consume 100 g of oat noodles or wheat noodles (replacing one or two meals/day) for 10 weeks and followed by 2 weeks of follow up (without noodle consumption). Various anthropometric measurements and biochemical analysis were carried out during initial (baseline), 2nd, 6th, 10th and 12th week (follow-up). Consumption of oat noodles by replacing staple food for 10 weeks significantly reduced (**p < 0.01) the levels of total cholesterol (TC; 17.46%) and low-density lipoprotein LDL-c (19.03%) in both healthy and mildly hypercholesterolemic subjects. However, the hypocholesterolemic effect is significantly higher in mildly hypercholesterolemic subjects as compared with normal subjects. A pronounced decline (*p < 0.05) in the levels of various cardiovascular diseases (CVDs) markers including TC/HDL and LDL/HDL ratios and blood pressure (SBP; 11.09% and DBP; 7.48%) were observed in oat noodles supplemented subjects as equivalence with the placebo group. The partial replacement of staple food with oat noodle could considerably improve the health status of all subjects especially in hypercholesterolemic subjects and thus lower the risk of CVDs.
Keywords: Blood pressure; Hypercholesterolemic; Oat noodles; Staple food; Total cholesterol.
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