Abstract
ABSTRACT The present study investigated whether changes in diet associated with an increased intake of micronutrients with antioxidant potential could affect reactive oxygen species (ROS) generation determined by EPR-spectroscopy. Out of initial 16 participants, 6 participants (28.3 ± 6.8 years) demonstrated a nutritional behavior below current national recommendations and were instructed to follow a mixed healthy diet for 2 weeks. ROS formation and nutrient intake were measured before and after the intervention and nutrient intake was quantified by nutritional protocols. The results indicated that ROS generation significantly decreased (p < .05). This was accompanied by a significantly increased intake of vitamin C (p < .05), vitamin E (p < .05), β-carotene (p < .01). This study showed that mixed healthy diet increased dietary intake of antioxidant vitamins and reduced ROS concentrations. The results indicated that EPR spectroscopy could be a useful tool to identify health-related effects of dietary regimens on ROS.
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