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5 . 2015

The dependence of diet macronutrient composition and energy intake from human phase of the weekly cycle – weekdays/weekends

Abstract

When planning your diet regime is desirable to focus on the natural feeding behavior of the person. However, many aspects of eating behavior are not studied. The aim of this work was to study the changes of diet calorie and nutrient composition depending on the body mass index (BMI), time of day, week cycle phase: weekends/weekdays, and the availability of rational installation in nutrition. The study involved 67 women aged 29 to 49 years with a BMI of 18.3 to 34.2 kg/m2. Macronutrient composition and energy value of the diet were evaluated by analyzing the food diaries, which were filled by all respondents continuously for 8 workdays and 4 weekends. The results of this study showed no significant correlation between BMI and calorie intake, while a positive correlation was observed between BMI and fat component of the diet (r=0.362, p0.05). It was also found that the restriction of food intake in the evening (after 8 pm) did not lead to a decrease in total daily energy value of the diet, and was characterized by the consumption in the evening about 31% of the total fat intake. Diet energy value was significantly higher on weekends than during the week and was 2376±394 against 1940±402 kcal (p<0.05). According to the data obtained, compliance «restriction of supply in the evening» does not lead to a significant reduction in daily caloric intake.

Keywords:food, nutrients, energy intake, weekends, weekdays, food diary, obesity

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CHIEF EDITOR
CHIEF EDITOR
Viktor A. Tutelyan
Full Member of the Russian Academy of Sciences, Doctor of Medical Sciences, Professor, Scientific Director of the Federal Research Centre of Nutrition, Biotechnology and Food Safety (Moscow, Russia)

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