Objective: Previous studies revealed the relationship between blood levels of adiponectin and dietary factors in patients with diabetes or metabolic syndrome. Little is known about the relation between modifiable dietary factors and circulating adiponectin, particularly in Japanese young women, using a systematic dietary assessment. We examined associations between nutrient and food intake and serum adiponectin concentration in Japanese female students.
Methods: Subjects were 598 female students aged 18-20 years old. Fasting blood samples were collected, and blood chemistry and adiponectin were measured. Intake of macro-nutrients, dietary fiber, and food groups was assessed with a food frequency questionnaire (FFQ).
Results: Plasma adiponectin concentration in obese students (7.4 ± 2.5 μg/mL) was significantly lower than that in students with normal body weight (11.2 ± 4.5 μg/mL). For nutrients, higher amount of dietary fiber intake was observed in students with higher levels of plasma adiponectin. Also, plasma adiponectin was higher in students with high intake of dietary fiber.
Conclusion: Intake of dietary fiber may increase plasma adiponectin concentrations in Japanese young women.
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