Nutritional Assessment of a Group of Japanese Elementary School Children in Tokyo: With Special Emphasis on Growth, Anemia, and Obesity.

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概要

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• Anthropometric data, nutrient intake data, and blood biochemical parameters were analyzed for 66 elementary school children living in Tokyo, Japan, and their nutritional status was evaluated focusing on three problems: (1) zinc nutriture and growth, (2) anemia with iron deficiency, and (3) lipid nutriture and obesity. The subjects' mean energy and protein intakes met the recommended levels for Japanese children. However, their zinc intake levels were inadequate at 7.2, 8.3, and 8.5mg in grades 2 (mean age: 8yr), 4 (10yr), and 6 (12yr), respectively. Mean serum zinc concentration was 0.82±0.15 μg/ml; the percentages of sub-jects who showed serum zinc concentration lower than 0.68μg/ml, the lower limit of the normal serum zinc concentration, were 28.6, 15.4, and 5.0% in grades 2, 4, and 6, respectively. These serum zinc concentrations indicated the existence of marginal zinc deficiency in some children, particularly in grade 2, though it was not severe enough to retard growth. Their iron intake levels (8.2, 10.2, and 10.2mg for grades 2, 4, and 6, respectively) in combination with the proportion of iron intake from animal foods (37%) were judged to be adequate because no children showed serum ferritin, serum iron, or transferrin saturation levels lower than the criteria levels recommended for iron deficiency. Moreover, no definitely anemic children were found. Daily lipid intakes were 65.7, 74.5, and 78.3 g in grades 2, 4, and 6, respectively, and the mean percentage of energy intake from lipid to total energy intake, 32%, exceeded the levelrecommended. Mean serum total cholesterol concentrations and the percentage of subjects with elevated cholesterol levels (≥200mg/dl) were high compared with the reported values. Means of the body mass index (BMI) and Rohrer Index (RI) for the subjects were slightly higher than Japanese standards. With these parameters for obesity, triglycerides and atherogenic index were positively correlated and HDL cholesterol and HDL cholesterol percentage to total cholesterol were negatively correlated.

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著者

• Yoshinaga Jun

  Department Of Environmental Studies The University Of Tokyo

• TOGO Masami

  Department of Health Education, Faculty of Education, University of Tokyo

• SUZUKI Hisano

  Laboratory of Institutional Meal Service, Kagawa Women's College of Nutrition

• HISATSUNE Emiko

  Laboratory of Institutional Meal Service, Musashigaoka College of Health

• SUZUKI Hisano

  Laboratory of Institutional Meal Service, Kagawa Women's College of Nutrition

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• Nutritional Assessment of a Group of Japanese Elementary School Children in Tokyo: With Special Emphasis on Growth, Anemia, and Obesity.

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