摘要：Background: Patients with type 2 diabetes have increased levels of oxidative stress and inflammation. A highfruit and vegetable intake may be beneficial.Objective: To study whether fruit and vegetable intake and levels of plasma antioxidants relate to markers ofoxidative stress and inflammation in a group of patients with type 2 diabetes. Further, to investigate whetherplasma antioxidants are good biomarkers for intake of fruit and vegetables.Design: Patients with type 2 diabetes were studied. Their dietary intake and levels of plasma antioxidants, andmarkers of oxidative stress and inflammation were analysed.Results: Fruit and vegetable intake was inversely related to oxidative stress. Plasma carotenoids werenegatively correlated with inflammation. The plasma levels of a-carotene and b-carotene showed stronglypositive associations with fruit and vegetable intake.Conclusions: The results suggest that fruit and vegetable intake may decrease oxidative stress andinflammation in this group of patients. An increased intake of fruit and vegetables can therefore be beneficialfor patients with type 2 diabetes, since these patients are documented to have raised oxidative stress andinflammation. The study support the usefulness of plasma a-carotene and b-carotene as biomarkers for fruitand vegetable intake.
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