Effects of Long-Term Intake of Mayonnaise Containing Phytosterolester on Blood Cholesterol Concentration in Japanese with Borderline or Mild Cholesterolemia

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In a placebo-controlled double-blind study, we examined the effects on blood lipids during long-term consumption of mayonnaise containing phytosterolester in Japanese with borderline or mild hyperlipidemia. We also examined the safety of this mayonnaise. Fifty-five subjects were divided into 2 groups, one group of which was given for 3 months 15g/day of a placebo mayonnaise (Placebo), and the other, 15g/day of mayonnaise containing 884mg/day of phytosterolester (MSE) for the same period of time. Hematological testing and confirmation of objective and subjective symptoms were conducted every month. Total cholesterol and LDL cholesterol levels did not change in the Placebo group throughout the study, but they did significantly decrease 1, 2, and 3 months after the start of intake in the MSE group. Significant differences were seen between Placebo group and MSE group in the amount of changes in total cholesterol 1, 2, and 3 months after the start of intake, and in LDL cholesterol 1 and 2 months after the start of intake. Furthermore, the results of hematological testing other than for blood lipids and physician interview revealed no adverse events caused by long-term consumption of the test foods. We thus concluded mayonnaise containing phytosterolester to be safe and to lower total serum cholesterol and LDL cholesterol levels.
日本酸化ストレス学会の論文