The purpose of this study was to investigate body recognition, eating patterns, and health status of female college students in Seoul according to body mass index. In this study, we classified subjects as underweight, normal weight, and obese according to BMI. The mean age of subjects was $20.69{\pm}1.72$ years. Average height, weight or BMI of subjects were $161.49{\pm}5.39cm$, $52.17{\pm}6.53kg$ and $20.01{\pm}2.35kg/m^2$, respectively. Body satisfaction rate was 11.5% for 'Yes', whereas body dissatisfaction rate was 88.5% (p<0.05). Body dissatisfaction rates for the 'overweight', 'body dissatisfaction' and 'underweight' groups were 54.7%, 37.5% and 3.1%, respectively. The most common reason for controlling weight was 52.8% for 'to look pretty', whereas 'stress' at 45.5% was the most common in the obese group. 'Exercise + diet therapy' was used by 48.7%, followed by 'hungry' (23.9%), 'exercise' (17.3%) and 'intermittent diet' (6.1%). 'Regular exercise' 35.3%, 'A good rest & sleep' 32.4% and 'Regular meals & taking nutrition' 26.6% were significantly important (p<0.05). Overeating was lower among obese subjects, whereas consumption of fried foods and high-fat meats was higher (p<0.05). These results suggest the need for proper nutrition education for college students.
Effects of high fat diet and/or endurance exercise training on hepatic total and phospholipid(PL) fatty acid compositions were evaluated in rats fed one of the following diets for 31 days. control diet(CD, 5 wt% corn oil) or high fat diet(HFD, 35 wt% corn oil). Half of the rats in each group were exercise-trained regularly on a treadmill for 90 minutes/day during the entire feeding period. Total and PL fatty acid compositions of hepatic lipid extracts were determined by a gas-liquid chromatograph),. Endurance exercise training did not change the daily food intake, but significantly reduced body weight gain and feed efficiency ratio of rats, which were most prominent in animals fed HFD. Exercise training did not significantly change the percentages of ∑saturated fatty acids (SFA) and ∑polyunsaturated fatty acids(PUEA), but decreased the percentage of ∑monounsaturated fatty acids(MUFA) in hepatic total fatty acids, which might be associated with the decrease in (equation omitted) 9-desaturation index of hepatic total fatty acid metabolism. Exercise training significantly lowered the percentages of 16 : 0 and 22 : 5$\omega$3, and increased the percentages of 20 : 1 and 20 : 3$\omega$3 in both total and PL fatty acid compositions in rat liver. Both total fatty acid and PL fatty acid compositions of rat liver responded more sensitively to changes in dietary fat content than to endurance exercise training in this study. Feeding HFD, whoch contains high level of linoleic acid(LA, 18 : 2$\omega$6), significantly decreased the percentages of ∑SFA and $\Sigma$MUFA, and increased the percentages of ∑PUFA and ∑$\omega$6 fatty acids of hepatic total fatty acids. Hepatic total fatty acid composition was affected by dietary fat content and dietary fatty acid composition more sensitively than those found in hepatic PL fatty acid composition. HFD significantly decreased most of desaturation indices, while exercise training significantly decreased elongation index(20 : 5$\omega$3⇒22 : 5$\omega$3) of hepatic total and PL fatty acid metabolism in rats. (Korean J Nutrition 33(1) : 13-22, 2000)
Journal of the Korean Society of Food Science and Nutrition
/
v.34
no.8
/
pp.1188-1194
/
2005
This study was conducted to investigate effects of fructans (chicory inulin, fructooligosaccharide and chicory inulin oligosaccharide) on blood glucose, activities of disaccharidases in small bowel and kidneys, and splenocyte proliferation in streptozotocin-induced diabetic mice. Sixty ICR male mice were divided into one normal group and four diabetic groups. Diabetes was induced by injecting streptozotocin after 2 weeks of experimental diets feeding. Experimental diets based on AIN93G diet were control diet, 6$ \%$ fructooligosaccharide (FOS) diet, 6$\%$ chicory inulin oligosaccharide (CIOS) diet, 6$\%$ chicory inulin (Cl) diet, and given for 25 days after streptozotocin injection. Plasma glucose was lower in Diabetic-Cl group as compared to Diabetic-control group. Plasma insulin level was not different among diabetic groups. Specific activities of jejunal maltase and sucrase in diabetic groups were about double as that of Normal group. Jejunal maltase activity and plasma glucose were positively correlated (r=0.643). However, specific activity of renal maltase in diabetic groups was not significantly different as compared to Normal group. Stimulation index of splenocyte proliferation by lipopolysaccharide (LPS) was significantly increased in Diabetic-CIOS as compared to Diabetic-control. Stimulation index of splenocyte proliferation by Concanavalin A (ConA) tended to be higher in Diabetic-CIOS group. Concentrations of interleukin-2 and interferon- $\gamma$ secreted from splenocytes induced by ConA were not significantly different among all groups. In conclusion, fructans may be effective for lowering plasma glucose, possibly by lowering disaccharidase activity and for increasing immune responses in diabetic con-ditions, where their effects can be different depending on degree of polymerization.
Pulse Doppler ultrasonographic evaluation was performed to investigate the resistive index (RI) of the Interlobar renal artery in 17 dogs (32 kidneys) which were diagnosed with an acute renal failure caused by ochratoxin-A and citrinin contaminated commercial diet. RI was investigated in 7 normal beagle dogs and recovered patients. The mean of RI was resulted as $0.69{\pm}0.04$ in normal dog, however, significantly (p<0.001) increased as $0.76{\pm}0.05$ in renal failure dog. But RI had no relationship with the results of blood chemistry, urine analysis, and excretory urographic image quality. From these results, even though the results of the renal function test were within a normal reference range, it was considered that RI index is more reliable to represent a damaged renal parenchyma, and may have the potential to be a useful clinical tool in monitoring of the renal function.
Objectives: We aimed to examine levels of physical activity, anthropometric features, and health-related quality of life (HRQoL) among Korean breast cancer survivors who reported changes in their diet after diagnosis. Methods: A total of 380 women who had been diagnosed with stage I to III breast cancer and had breast cancer surgery at least six months before the interview were included. Participants provided information on dietary change after diagnosis, post-diagnostic diet, physical activity, anthropometric measures, and HRQoL through face-to-face interview. We assessed HRQoL levels of breast cancer survivors using a validated Korean version of European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30) and Breast Cancer Module (BR23). We used the logistic regression and generalized linear models to identify the associations of dietary changes in relation with physical activity, anthropometry, and HRQoL. Results: The majority of participants (72.6%) reported that they have changed their diet to a healthier diet after diagnosis. Breast cancer survivors who reported to have change to a healthy diet had higher intakes of vegetables and fruits and lower intakes of red and processed meats, and refined grains than those who did not. Also, survivors with a healthy change in their diet were more likely to engage in physical activity (top vs. bottom tertile: odds ratio [OR], 1.85; 95% confidence interval [95% CI], 1.02-3.36) and have lower body mass index (BMI) (OR, 0.90; 95% CI, 0.82-0.98 for one $kg/m^2$ increment in BMI) compared to those who did not. We found that a healthy change in diet was associated with higher scores of physical functioning (p=0.02) and lower scores of constipation (p=0.04) and diarrhea (p=0.006) compared to those who did not. Conclusions: Healthy changes in diet after breast cancer diagnosis may be associated with lower levels of BMI, and higher levels of physical activity and HRQoL.
The objectives of this study were to measure particle size and evaluate the effect of increasing alfalfa hay particle size on production characteristics in lactating Holstein dairy cows. Ninety multiparous Holstein cows in early to mid-lactation were randomly assigned in a complete randomized design for a 30-day period. Animals were offered one of the three diets, which were identical in energy, protein, and chemical composition, but differed only in particle size of alfalfa hay. The treatments were A) total mixed ration (TMR) in which only fine chopped alfalfa hay was incorporated in the ration, B) the same diet in which half of the alfalfa hay was fine chopped and incorporated in the mixed ration and half was long hay and offered as a top dressing, and C) the same diet with long hay alfalfa offered as a top dressing. Distribution of particle size of rations was determined through 20,000, 8,000 and 1,000 ${\mu}m$ sieves. The new method of quantitative determination of manure index was examined for each cow on different treatments. The geometric mean length of particle size in the rations was 5,666, 9,900 and 11,549 ${\mu}m$ for treatments A, B and C, respectively. Fat corrected milk (4%), milk fat percentage and production were significantly different (p<0.05) in treatment A versus B and C (fat corrected milk (FCM, 4%)) 28.3 vs. 35.2 and 32.3 kg/d, fat percentage 2.89, 4.04 and 3.62; but the change of ration particle size had no significant effect on milk production (p>0.05). Blood concentration of cholesterol in treatment A was significantly higher (p<0.05) than treatment B and C (181.0 vs. 150.0 and 155.2 mg/dl). Manure index in treatment C was significantly different (p<0.05) from treatment B (15.86 vs. 17.67). Based on these experimental findings, it is concluded that an increase in the ration particle size can increase milk fat percentage due to providing more physically effective fiber, which in turn could effect changes in manure consistency.
Body content bone mined density and nutrient intake status of 129 college women in Daegu area are analyze4 The mean age was 23.1 years. Bone mineral density was measured in their right heel by SONOST-2000 ultrasound bone densitometer, and nutrient intake was assessed by a Questionnaire. Diet intake data were obtained by using a 24 hours recall method to evaluate the subject's usual diet. The average energy, Ca, Ee, Zn and folate intakes were 64.2, 47.5, 54.7, 62.9 and $57.4\%$ of RDA, respectively. Ca/P and Ca/Protein ratio were 0.46 and 6.7, respectively. The mean adequacy ratio(MAR), an index of overall dietary quality wag 0.6. The index of nutritional quality was under 1.0 for protein(0.7), vitamin A(0.9), E(0.7), $B_1(0.8)$, niacin(0.8), $B_6(0.6)$ and phosphorus(0.6). The less the protein and energy intake, the less the bone mineral density(p<0.05). The intakes of protein(p<0.05) and that of phosphorus(p<0.001) were positively correlated with bone quality index(BQI). The calcium intake was positively correlated with Z-score(p<0.05). The phosphorus intake was positively correlated with T-score(p<0.001) and Z-score(p<0.0001). In conclusion, this study indicates that nutrient intake of the college women is considerably lower than the RDA. Also the BQI is lower than standard.
The effect of orally supplemented urea on eating and rumination behaviour of sheep fed a low-quality hay was investigated in this study. Daily time spent eating was not influenced by ruminal addition of urea, thus the eating rate (g DM/min) also did not change with urea supplementation. The rumination appearance (the lag time after eating) tended to be shorted with urea supplement than without supplement, but not significantly (p>0.05). Daily time spent ruminating was in the range of 600-630 min/d, and rumination index (ruminating time/100 g DM ingested) was 85 min. on the average for all the treatments, but there were no significant differences among the values in each treatment. Daily number of rumination periods tended to be smaller with urea supplement than with no urea, but not significantly (p>0.05), and cyclic rate was almost constant in all the treatments. From these results, it may be concluded that an administration of urea in sheep receiving hay diet could have little effect on eating and rumination behaviour, when it was given at two times a day.
The effects of cheonggukjang and doenjang on bone mineral density, trabecular area and cortical thickness of the tibia, and serum osteocalcin level in ovariectomized rats were investigated. After 4 weeks, bone mineral density, bone trabecular area, the cortical thickness index, and serum osteocalcin level were analyzed. The cheonggukjang and doenjang diet groups showed significant prevention of ovariectomized (OVX)-related body weight gain. Whole body bone mineral density of the OVX group was significantly lower than that of the sham group, whereas the cheonggulgang and doenjang diets resulted in complete restoration of bone mineral density. Trabecular area in the proximal diaphysis and cortical thickness in the distal diaphysis of the tibia were increased significantly in the cheonggukjang and doenjang diet fed groups. The cheonggukjang and doenjang diets significantly reduced serum osteocalcin level in the OVX rats. These results suggest that cheonggukjang and doenjang might have inhibitory effects on osteoporosis, by showing accelerated bone formation in OVX rats.
Effects of water-soluble extract from roasted-chicory root on the cholesterol metabolism in rats fed cholesterol diet were investigated. Sprague-Dawley rats received a hypercholesterolemic diets without (control group) or with 5.0% water-soluble extract from roasted chicory root for 2 weeks. Roasted chicory extract group showed significantly higher body weight gain and food intake compared with the control group. The concentrations of total cholesterol and LDL+VLDL cholesterol in serum were significantly lower in rats fed roasted chicory extract diet. However, HDL-cholesterol concentration, and atherogenic index were not significantly affected by the dietary roasted chicory extract. Fecal net weight, fecal cholesterol, and bile acid excretion were significantly higher in the chicory extract group. The results suggest that the hypocholesterolemic effect in rats fed roasted chicory extract may be caused by an alteration in the absorption of cholesterol by an increase in the fecal excretion of cholesterol and bile acid.
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