The purpose of this study was to evaluate pancreatic beta-cell function of Korean adult and to examine the associations between beta-cell function and nutrient intakes. Data were analyzed for 1,917 male and 2,885 female subjects older than 30 years using 'The Forth Korean National Health and Nutrition Survey in 2009'. We calculated HOMA beta-cell (The homeostasis model assessment of beta-cell function) using fasting glucose and fasting insulin for assessing beta-cell function. Subjects were divided into HHG (High HOMA beta-cell Group) or LHG (Low HOMA beta-cell Group) according to median of HOMA beta-cell, and then nutrient intakes were compared between two groups. In the entire study population, HHG showed lower percent of carbohydrate intakes (p < 0.05), and higher fat (p < 0.01), percent of fat (p < 0.05), vitamin A (p < 0.05), carotene (p < 0.05) and riboflavin (p < 0.05) intakes than LHG. In addition, levels of HOMA beta-cell were negatively correlated with percent of carbohydrate (beta = -0.040, p < 0.05), and positively correlated with percent of fat (beta = 0.046, p < 0.01). The subjects were then divided into two subgroups according to body mass index values, either < 23 kg/m2 (under- and normal-weight) or > or = 23 kg/m2 (over-weight and obese). Significant differences of some nutrients intakes and correlations with HOMA beta-cell were observed only in under- and normal weight subjects, but not in over-weight and obese subjects. In conclusion, high carbohydrate, lower fat and lower vitamin intakes may be related with pancreatic beta-cell dysfunction in under- and normal-weight Korean.
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Beta-Cell Function and Nutrient Intake You Mi Lee The Journal of Korean Diabetes.2016; 17(3): 190. CrossRef
Alcohol Use Behaviors, Fat Intake and the Function of Pancreatic β-Cells in Non-Obese, Healthy Korean Males: Findings from 2010 Korea National Health and Nutrition Examination Survey Hye-Kyung Chung, Yoonsu Cho, Min-Jeong Shin Annals of Nutrition and Metabolism.2013; 62(2): 129. CrossRef
This study was performed to investigate the effect of vitamin C and E supplementation on blood pressure, plasma lipids, folate, and homocysteine levels in smokers and non-smokersof college male students in Gyeonggi Area. The nutrient intakes were determined by a 24hr-recall method. The subjects were divided into six groups: vitamin C supplementation group (n: smokers = 10, nonsmokers = 10), vitamin E supplementation group (n: smokers = 10, nonsmokers = 10), vitamin C and E supplementation group (n: smokers = 10, nonsmokers = 10), respectively. There were no significant differences between the smokers and nonsmokers in terms of anthropometric measurements. Systolic and diastolic blood pressure were significantly higher (p < 0.05) in smokers than that of non-smokers. There was no significant difference in energy and other nutrients intakes between smokers and non-smokers. In plasma lipids levels, smokers had higher plasma triglyceride, LDL-cholesterol, VLDL-cholesterol, total cholesterol concentration than that of non-smokers (p < 0.05). HDL-cholesterol level of smokers had a tendency to be lower than that of nonsmokers. In smokers, AI, TPH, LPH were significantly higher than that of non-smokers (p < 0.01). Plasma folate, homocysteine levels were not significantly different between smokers and non-smokers. The effect of antioxidant vitamins supplementation in smokers: In vitamin C supplementation group, HDL-cholesterol level was significantly increased (p < 0.01) and AI, TPH, LPH were significantly decreased (p < 0.01). In vitamin E supplementation group, HDL-cholesterol level was significantly increased (p < 0.05). In vitamin C and E supplementation group, LPH was significantly decreased (p < 0.05). The effect of antioxidant vitamins supplementation in non-smokers: HDL-cholesterol level was significantly increased (p < 0.05) and AI, TPH, LPH were significantly decreased (p < 0.05) by vitamin C supplementation group. Plasma homocysteine level was decreased by vitamin E supplementation group in non-smokers p < 0.01). The results of this study showed that smoking had a tendency to increase plasma lipids levels that factor into the risk of coronary heart disease. It is considered that antioxidant vitamin supplementation in smokers had a tendency to decrease cardiovascular disease than in nonsmokers.
This study was done to investigate the effect of adolescent smoking on dietary intakes and nutritional status of serum lipids and antioxidant vitamins. Subjects were 82 somkers whose average pack-year was 0.73, and 85 nonsmokers of male technical high school students in Seoul. Anthropometric measurement was performed and % body fat was also analyzed by Bioelectrical Impedance Fatness Analyzer(GIF-891). Dietary intakes and habits were examined through questionnaires and nutrient intakes were analyzed by Computer Aided Nutritional (CAN) analysis programs. Serum TG and total cholesterol levels were measured by Spotchem sp-4410 and serum HDL-cholesterol levels were measured by test kit. serum vitamin C level was measured by 2,4-dinitrophenylhydrazine method and serum levels of vitamin A and vitamin E were measured by HPLC. All data were statistically analyzed by SAS PC package program. There was a significant difference in body fat percentage and systolic blood pressure while other anthropometric measurements were not different between smokers and monsmokers. Caloric intakes(2335 kcal) in adolescent smokers tended to be higher than that of nonsmokers (2,175 kcal) but the difference was not statistically significant. Intakes of protein(76.67g) and niacin(16.49 mg) in adolescent male smokers were significantly higher(P<0.05) than those of nonsmokers although other nutrient intakes were not significantly different. Analysis of serum lipids showed that serum HDL-cholesterol level of smokers was significantly different. Analysis of serum lipids showed that serum HDL-cholesterol level of smokers was significantly lower(p<0.05) than that of nonsmokers, whereas other lipid levels were not significantly different. Serum vitamin C level was also significantly lower(p<0.05) in adolescent smokers than in nonsmokers. In addition, serum vitamin E level, which was 7.85 mg/1 in smokers, was lower than that of 9.20 mg/1 in nonsmokers(p<0.05) while serum vitamin A level was not significantly different between the two groups. These results indicate that cigarette smoking in adolescence decreases serum levels of HDL-cholesterol, vitamin C and vitamin E even thoughth their smoking history is very short.
This study was done to compare the nutritional status of antioxidant vitamins between college women smokers and nonsmokers. Dietary intakes and serum levels of antioxidant vitamins were determined in 33 smokers and 42 nonsmokers residing in the Seoul area. Dietary intakes of vitamin A and C were determined by a quick and convenient dietary intake method. Serum vitamin C level was measured by 2,4-dinitrophenylhydrazine method and serum levels of vitamin A and E were measured by HPLC. The mean A intake of nonsmokers and smokers was 504.3 microgram R.E./day and 450. 4 microgram R.E./day and the mean vitamic C intake of nonsmokers and smokers was 51.6mg/day and 50.2mg/day, reapectively. There was no difference in the dietary intakes of antioxidant vitamins between smokers and nonsmokers. The serum vitamin A level, 0.71mg/1 in nonsmokers was not significantly different from that of 0.74mg/1 in smokers. However, the serum vitamin C level, 7.94mg/1 in smokers was 15% lower(p<0.05) than that of 9.30mg/1 in nonsmokers. The serum vitamin E level, 18.15mg/1 in smoders was also 34% lower(p<0.05) than that of 27.58mg/1 in nonsmokers. There was no significant correlation between dietary intakes and serum levels of vitamin A and C for both smokers and nonsmokers. These results suggest that cigarette smokers need more dietary intakes of vitamin C and E than do nonsmokers to reach the same serum level.