This paper has studied the nutritional iron status of adults in the city of Taegu. The subjects of the experiment were twenty six men and women living in the city of Taegu. The iron intake was 26.1mg for men and 17.1mg for women, which were respectively 217.5% and 95% of RDA. For men heme iron was 5% and nonheme iron, 95% for women heme iron was 5.8% and nonheme iron, 94.2%. The absorption rate of dietary iron was 6.2% for men and 9.1% for women. The hemoglobin was 14.5g/dl for men and 11.9g/dl for women, and the rate of developing anemia was 8.3% in men and 57.1% in women. The serum ferritin was 57.8ng/ml with men, which was found to be normal, and 14.7ng/ml with women, which showed that 57.1% of women were in the condition of iron depletion or iron deficiency anemia. The rate of developing anemia resulting from the deficiency of serum ferritin was as high as that from the deficiency of hemoglobin. The correlation between iron intake based on the dietary record, and energy intake, vegetable protein intake and dietary fiber intake was found to be positive. So was the correlation between the iron intake, and hemoglobin, serum ferritin and urinary iron excretion. There was also a positive correlation between hemoglobin, and hematocrit and serum ferritin. The correlation between fecal iron excretion and serum ferritin was positive. Fecal iron excretion and urinary iron excretion can be complemented by iron intake but the fact should be considered that 95% of iron intake is nonheme iron, which is difficult to absorb. Based on the above-mentioned things, serum ferritin and hemoglobin can be used as the standards of measuring anemia. As women in their child bearing years show the high rate of 57.1% of developing anemia, the more thorough nutritional education of iron is required.
This study was designed to assess the iron nutritional status of girls at puberty in Kangnung area. The subjects consisted of 161 adolescents in sixth-grade in primary school and first-grade in middle school girls. Anthropometric measurements were taken for body weight, height, percentage of body fat, and circumferences of waist and hip. Nutrient intakes were assessed by modified 24-hour recall method. Food models and other measuring tools were also used. Fasting blood samples were obtained and analyzed for hemoglobin(Hb) concentration, hematocrit(Hct), serum iron(FE) and total iron binding capacity(TIBC). Mean values for Hb, Hct, Fe, TIBC, TS and serum ferritin were $13.6{\pm}0.9g/dl$, $39.6{\pm}3.9%, 91.3{\pm}36.3{\mu}g/dl$, $327.9{\pm}45.2{\mu}g/dl$, $28.3{\pm}11.8%$ and $37.4{\pm}24.2ng/ml$, respectively. Prevalence of iron deficiency greatly varied by indices from 4.8% when judged by Hb to 18.4% by serum Fe concentration. The Hb concentration was positively correlated with Hct(r=0.641), serum iron(r=0.266) and transferrin saturation(r=0.237)(p<0.05). On the other hand, serum ferritin concentration showed significantly negative correlation with TIBC(r=-0.572). Mean daily intake of iron was 14.94mg and heme iron intake was 1.13mg and which was 7.6% of total iron intake. Total absorbable iron calculated by the method of Mosen was 1.38mg and bioavailability of dietary iron was 9.3%. These results suggest that the prevalence of iron deficiency of pubertal girls is very high, therefore the guidelines for diet and social supports, such as, school food service system should be provided to improve their iron status in middle school students.
The purpose of this study were to assess iron status and obesity in 82 middle aged women living in Kangnung area. Anthropometric measurements were taken for body weight, height, percentage of body fat and circumferences of waist and hip. Venous blood samples were drawn from subjects for measurement of hemoglobin(Hb), hematocrit(Hct), serum iron(Fe), total iron binding capacity(TIBC), transferrin saturation(TS) and serum ferritin. Dietary intakes of iron(heme iron and nonheme iron), the amounts of MPF(meat, poultry and fish) and ascorbic acid were assessed by modified 24-hr recall method. The results obtained are summarized as follows : Postmenopausal women had more body fat than premenopausal women. That is, postmenopausal women tend to be obeser than premenopausal women. There was no difference in Hb, Hct, Fe, TIBC and TS between pre- and postmenopausal women. But the serum ferritin concentration of postmenopausal women(83.7$\pm$42.1ng/ml) was significantly (p<0.05) higher than premenopausal women(56.4$\pm$41.0ng/ml). Prevalences of iron deficiency (20%, 20.0% and 17.1% respectively) of postmenopausal women. The mean daily intakes of total iron in pre- and postmenopausal women were 17.5$\pm$9.3mg and 15.6$\pm$6.9mg, respectively. Bioavailabilities of dietary iron were 6.5% and 4.5% in pre- and post-groups. These results indicate that individual dietary guidelines should be used to educate middle-aged women different in status of menopause. For example, premenopausal women should increase nutritional iron status and postmenopausal women should try to prevent obesity.
It is very important to collect information on the nutritional status of the Korean population for the development of health promotion programs including nutrition. The purpose of this study was to assess the nutritional status of various population living in selected areas for model nutritional work. Seven hundred eighty households(30 households per each area)from 26 areas participated in this study from November 1 to November 20, 1996. Dietary intake data for two consecutive days were collected at household level by a weighting method. The mean energy intake of the subjects(1,934kcal) was higher than that resulted from the ‘95 Korean National Nutrition Survey(1,839kcal). The proportion of energy derived from cereals was 60.1%. The proportion of total protein intake from animal sources was 49.4%. These results were similar to those found in the ‘95 Korean National Nutrition Survey. Most nutrients(except iron, thiamin, riboflavin, vitamin C, and crude fiber) were higher than the result of the ‘95 Korean National Nutrition Survey. However, the average iron intake was about 68% of the result of ‘95 Korean National Nutrition Survey. This may be due to the adjustment of iron content in rice(3.7mg/100glongrightarrow0.5mg/100g) included in nutrient database for calculating nutrient intakes. The mean energy contribution from carbohydrate, protein, and fat were 64.2%, 16.4% and 19.4%, respectively. Significant differences of nutrient intakes were noted among some areas, which may be due to different food intake patterns according to the needs of the particular area. Therefore, the result of this study indicates that there are significant differences in food and nutrient intakes among the areas, suggesting that nutritional improvement programs may need to be developed differently by areas.
The purpose of this study was to investigate the effect of nutritional status on the cell-mediated and humoral immunity in female college students. The nutritional status of twenty subjects was determined by six-days food records, anthropometric measurements, and biochemical assessments of serum nutrients. Cell-mediated and humoral immunity of the subjects was analyzed by in vivo and in vitro assessments. The results were summerized as follows : First, The average daily energy intake was 1437Kcal(CHO : PRO : FAT = 61:13:26), which corresponds to 71.9% of RDA. Anthropometric measurements showed that 50% of the subjects was under-weight(BMI<20), only 5% was over-weight(25
To evaluate iron nutritional status of female college students, fasting blood samples were taken from 76 female students of Kangnung National University. Hemoglobin(Hb), hematocrit(Hct), serum iron(Fe), total iron binding capacity(TIBC) and serum ferritin concentrations were measured and transferrin saturation was calculated. Mean values for Hb, Hct, Fe, TIBC, TS and serum freeitin were 13.64$\pm$1.42g/dl, 40.99$\pm$4.31%, 103.0$\pm$33.3$\mu\textrm{g}$/이, 395.3$\pm$9.07$\mu\textrm{g}$/dl, 26.58$\pm$9.07$\%$and 26.76$\pm$17.5ng/ml, respectively. Prevalence of iron deficiency greatly varied by indices from 6.8% when judged by Hct to 26.0$\%$ by serum ferritin concentration. The Hb concentration was positively correlated with hematocrit (r=0.5402), serum iron(r=0.2819) and transferrin saturation(r=0.2777)(p<0.05). on the other hand, serum ferritin concentration showed significantly negative correlation with TIBC(r=-0.3196). Two-day dietary intake records were collected from subjects to estimate mean daily iron intake and bioavailability of dietary iron. Mean daily intake of iron was 13.15mg and heme iron intake was 0.83mg which was 6.4% of total iron intake. Total absorbable iron calculated by the method of Monsen was 1.27mg and bioavailability of dietary iron was 9.6%. In the light of high prevalence of iron deficiency based of serum ferritin concentration and low bioavailability of iron in the diet, guidelines about diet should be made to increase the content and bioavailability of iron in the diet if female college students.
The purpose of this study was to assess the iron nutritional status of college women residing in the Kyungin area. The anthropometric parameters, nutrient intake, and biochemical status of iron were measured for 102 college women. The mean height and weight were 160.3cm and 52.4kg, respectively. The proportion of subjects whose BMI was less than 20 was 41.3%. The proportion of subjects assessed as overweight(25$\geq$25%) assessed by the fat percent(FP) was 53.9%. The mean daily intake of iron was 13.90mg(77.1% of RDA), composed of 0.97mg of heme iron and 12.44mg(69.0% of RDA). When the sources of iron were grouped as rice(including bread), noodle, soup, side dish, and snack, noodle provided, 3.95mg of iron regarded as the highest amount. Subjects were taking 6.72mg(51.4% of RDA) of iron per day from main dishes(rice, bread and noodle). The fifty five percent of the subjects showed iron depletion(serum femitin<20ng/ml)and 33.4% showed suppressed erythropoiesis with iron deficiency(serum ferritin<10ng/ml). The anemic subjects assessed with transferrin saturation (<15%) represented 33.3% of the test population, whereas 11.8% of the subjects possessed less than 12g/dl of hemoglobin. Subjects not satisfied with their body shape were having significantly lower amount of energy intake(p<0.05) than the subjects satisfied with their body shape. College women having mothers who graduated from university had a significantly decreased amount of energy, carbohydrates, fat and vitamin C(p<0.05). The mean RBC and serum iron of the subjects who were on a diet more than one month were lower than those of the subjects who were not on a diet(p<0.05).
The purpose of this study was to assess the iron nutritional status and dietary iron availability of postmenopausal women residing in Jeonju area. The anthropometric parameters, nutrient intake and biochemical status of iron were measured from 57 postmenopausal women aged 50∼74 years old. Mean values of hemoglobin(Hb), hematocrit(Hct), serum iron(Fe), total iron binding capacity(TIBC) and serum ferritin(Ferritin) concentration were 12.82${\pm}$1.03g/dl, 37.68${\pm}$2.99%, 92.60${\pm}$46.66ug/dl, 353.0${\pm}$54.48ug/dl, 86.86${\pm}$100.7ug/ιrespectively. Prevalence of iron deficiency greatly varied by indices from 14.04% when judged by Ferritin(<20ug/ι) to 40.4% by TIBC(>360${\mu}$g/dl. The anemic subjects assessed with Hct percent(36%) represented 22.8%, whereas 21.1% of the subjects possessed less than 12g/dl of Hb. Ferritin concentration showed a significantly negative correlation with TIBC(r=-0.343, p<0.01) and a positive correlation with MCHC(r=0.361, p<0.01). The mean daily intake of iron was 10.62mg and intake of heme iron was 5.3%(0.56mg) of total iron intake. Total absorbable iron caculated by the method of Monsen was 0.49mg anti bioavailability of dietary iron was 4.61%. Ferritin Concentration was positively associated with total iron intake(r=0.264, p<0.05), dietary nonheme iron(r=0.286, p<0.05) and iron of animal food (r=0.364, p<0.01). But Ferritin concentration was not correlated dietary heme iron(r=-0.137, p>0.05). Major food groups of iron intake were vegetables(20.15%), cereals(19.59%) and fishes(12.34%) in postmenopausal women. Intake of eggs was positively associated with Ferritin(r=0.473, p<0.01).
This study was undertaken to investigate the nutrient intake, dietary behavior, perception of body image and iron deficiency of high school adolescent girls. The subjects were 463 high school girls in Inchon. This cross-sectional survey was conducted by questionnaires and data were analysed by SAS program. Nutrient intakes collected from 3 day-retails were analyzed by the Computer Aided Nutritional Analysis Program. The following anthropometric measurements were made on all participants height, weight, body fat (%), skinfold thirkness, subscapular skinfold thickness, mid-upper arm circumference and waist-hip circumference. Blood samples were obtained and analyzed for iron nutritional status. The mean obesity index of rural students were highest among students. However, over 18% of the urban and rural students belonged to the low-weight group. Proportions of skipping meals were most high in urban vocational students and the main reason was lack of time for meal. Most nutrient intakes of the students were below the RDA, in particular calcium, iron, vitamin A and vitamin B$_2$. Most of the students were concerned with body image and weight control. Also they were not satisfied with their body image. The mean fell hemoglobin and transferrin saturation of rural students were lowest among students. The total binding capacity of urban vocational student\ulcorner were Invest among students. Prevalence of iron deficiency was most high in urban general students when judged by Hb, MCV and serum ferritin. In conclusion, this study indicates that nutrient intake in the female high school students was considerably lower than RDA. They should also be notified that severe weight control is very harmful for health. And they had lower self -satisfaction for their body image and undesirable flood habits. Therefore, prefer nutrition education is required to maintain desirable flood habits and improve their iron status in female high school students.
Nutritional Status of 74 elderly Koreans(35 men and 39 women) from middle-income households in Incheon were evaluated in terms of dietary nutrient intakes, anthropometric measurements and biochemical blood analysis. The mean consumptions of all nutrients were lower than R.D.A except iron, thiamine and niacin. However, 25.7% of men and 33.3% of women consumed less amount of iron than 75% of R.D.A. Average body mass index of women was sightly but significantly higher than that of men (P<0.05). Obesity rate and triceps skinfold thickness of women were much higher than those of men (23.3% vs 5.4% and 14.9mm vs 9.6mm, respectively). By judging from amounts of hemoglobin, hematocrit, serum iron, total iron binding capacity, mean corpuscular hemoglobin concentration and transferrin saturation of the elderly, 5.6-33.3% of men and 5.0-33.3% of women seem to be possibly anemic.
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