Dietary and other factors affecting serum lipid levels of 103 rural women aged 30-76 years were assessed. Data for dietary intakes were obtained by 24-hour recall method. Body weight, height and blood pressure were measured and BMI was calculated from the anthropometric data. Serum samples were collected and analyzed for TG and lipoprotein fractions. Relation of the factors with serum lipid concentration was analyzed by Pearson's correlation coefficient(r). The results were summarized as follows: The weight, hight and BMI of the subjects were 56.8kg, 152.4cm and 24.5k/==, respectively. 31.8% of the subjects under 50 years of age($\leq$49yr group) and 61.0% of the subjects from 50 years up(==50yr group) were classified as hyperlipidemia. Most of the subjects had normal blood pressure but 8.5% were hypertensive. Total food intake of hyperlipidemic subjects was more than those of normal subjects in both age groups. Nutrients intake also tended to be higher in hyperlipidemic subjects of $\geq$50yr group. Intake of some foods like nuts, milk, or meat affected serum lipid profile even though the effects was somewhat different between two age groups. Body weight was positively related with serum TG and VLDL-cholesterol in $\leq$49yr group, and body weight as well as height and BMI affected serum lipid level in $\geq$50yr group. In summarization, it appeared that hyperlipidemia was a serious health problem in rural women. Hypertriglyceridemia due to sharp increase after 50 years old was remarkable and further research should be performed to determine the related factors in the near future.
This study was performed to investigate the effects of lead poisoning and different levels of dietary lipid on lead and lipid metabolism in the rats. Forty eight male weanling rats of Sprague-Dawley strain weighing 73.1$\pm$11.1g were blocked into 6 groups according to body weight. Dietary lipid were given at the lev딘 of 5, 20 and 40% of total caloric intake and lead were either administered or not. The results obtained are summerized as follows ; 1) Food intake, weight gain, F.E.R. liver and epididymal. fat pad weights, weight and length of bone, hematocrit and hemoglobin content in Pb-adminstered groups were lower than these in Pb-free groups. 2) Plasma lipid and cholesterol levels were tended to be higher in Pb-administered groups than in Pb-free groups, while liver lipid and cholesterol levels were tended to be lower in Pb-adminstered groups. 3) Fecal dry matter excretion was tended to be higher in Pb-adminstered groups than in Pb-free groups, and were increased with increasing dietary lipid level. Daily fecal excretions of lipid and cholesterol were higher in high lipid groups than in low lipid groups and these levels were even higher in the animals exposed to Pb than in Pb-free groups. 4) Pb contents in blood, liver, kidney and bone were significantly higher in Pb administered groups than in Pb-free groups. Pb levels of blood, liver and bone did not show any significant difference among groups with different levels of dietary lipid, but Pb concentration in kidney of Pb-adminstered groups increased with increasing dietary lipid level.
The purpose of this study was to investigate the distribution patterns of serum triglyceride and cholesterol levels and the influence of environmental and dietary factors in 201 healthy male subjects. The subjects were found to be 53.7% for the normal, 15.4% for the TC, 17.4% for TG and 13.5% for TC.TG group, respectively. Among general characteristics, smoking significantly affected serum lipid levels of subjects (p < 0.05). Among anthropometric factors, body weight, BMI and PIBW significantly influenced the blood lipid patterns. Body weight of TG group was significantly higher than that of normal group (p < 0.05). BMI and PIBW of TG group and TC.TG group were significantly higher than those of normal group (p < 0.05) . In addition, diastolic blood pressure of TG group was significantly higher than that of normal group (p < 0.05). For the food intake, average intake of fruit was significantly higher in normal group than that of TG group (p < 0.05). For nutrient intake, calcium intake was significantly higher in TC group than those of normal and TC.TG group (p <0.05). Intakes of vitamin $B_2$ and C were significantly higher in TC group than those of in TG group (p < 0.05). Serum HDL-cholesterol level was negatively related to meat, poultry, and their products (p <0.05), but serum total cholesterol level positively related to animal lipids (p < 0.05). The results of this study suggest that it is crucial for maintaining adequate serum lipid levels to reduce smoking, blood pressure and to lose body weight. As far as food intake concerned, fruit intake was important in maintaining serum triglyceride level normal, while animal food intake affected serum total cholesterol level adversely. (Korean J Nutrition 36(1): 64-74, 2003)
This study was performed to investigate the effect of lysine-limited diets containing different levels of L-carnitine on body weight and lipid metabolism in obesity-induced adult rats. Eight-month-old male Sprague-Dawley rats (n = 90) were raised for one month with high fat diet (40% fat as calorie) to induce obesity. After induction of obesity, rats weighing 739.5 g were randomly blocked into three groups according to the body weight and raised for eight weeks with control diet (Co), 50% lysine-limited diet (-L), 50% lysine limitation with 0.3% pivalate diet (-L + P). Each of three groups was allotted to 0.0% L-carnitine (0.0% CT), 0.5% L-carnitine (0.5% CT) and 2.5% L-carnitine (2.5% CT) groups, respectively. The levels of AST, ALT, total protein and albumin in plasma were within the normal range. Daily food intake and calorie intake tended to be lower in 2.5% CT groups than those of other groups regardless lysine limitation or pivalate intake. And body weight gain and calorie efficiency ratio (weight gain (g) /calorie intake (100 kcal)) were significantly the lowest in 2.5% CT groups among all experimental groups regardless of lysine limitation or pivalate intake. The weights of perirenal, epididymal fat pads and brown adipose tissue in 2.5% CT groups were significantly lower than 0.0% CT groups. Plasma total lipid, triglyceride, total cholesterol concentrations in all groups were not significant by experimental compound. HDL-cholesterol concentrations in -L + P +2.5% CT group were highest in -L + P groups. Levels of hepatic total lipid, triglyceride and total cholesterol in 2.5% CT groups were tend to be lower those than in 0.0% CT groups regardless of dietary lysine limitation and pivalate intake. Fecal total lipid excretions of 2.5% CT groups were significantly lower than in 0.0% CT groups in all experimental groups. But fecal triglyceride excretions of 2.5% CT groups were significantly higher than 0.0% CT groups regardless of lysine limitation and pivalate. In conclusion, there was no difference on body weight and lipid metabolism by dietary lysine limitation and pivalate intake. And feeding of 2.5% L-carnitine was more effective than feeding of 0.5% L-carnitine and 0.0% L-carnitine in reduction of body weight, body fat and lipid metabolism.
This study was administrated to find the effects of dietary habits and nutrient intakes on the development of cardiovascular disease in the elderly aged over 60. The 40 healthy elderlies(18 males, 22 females) and 40 hospitalized elderlies with the cardiovascular disease(23 males, 17 females) were subjected for the study. Body weight, height, BMI and blood pressure were measured. Also, health behaviors such as exercise, smoking, drinking and dietary habits, frequency of intake lipid food in the past, nutrient intake at the present were assessed by interviews and questionnaire. The results of this study are as follows. 1. Body weight and the BMI were higher in hospitalized male elderlies significantly than those of healthy male elderlies(p<0.05). But the blood pressure wasn't different between two groups. 2. The ratio of male subjects who do regular exercise was significantly higher in healthy group(p<0.01). And significant difference in the extent of stress was found between two female groups(p<0.05). 3. The amount of meal and salty taste showed significant difference between two female groups(p<0.01) but the other dietary habits such as meat preference were not different between healthy and hospitalized elderlies. 4. Compared with healthy male elderlies, hospitalized male elderlies showed significantly higher frequency of intake of fish in the past(p<0.05) and frequency of intake of lipid food such as pork and chicken was also higher in the hospitalized male elderlies, but no significant difference in nutrient intake at the present was found between healthy and hospitalized elderlies. 5. Nutrient intake of elderlies showed in the average daily intake of energy, Ca, vitamin $B_2$were lower than Korean recommended dietary allowances(CRDA). For female subjects, the cholesterol intake was positively correlated with body weight, meats and eggs intake showed positive correlation with body weight and the BMI(p<0.01).
The purpose of this study was to investigate the effect of calcium intake on lipid contents and enzyme activities in rats of different ages. Lipid levels in serum and liver and GOT, CPK and LDH activities in serum were compared in rats of different ages(4 weeks and 10 months) that were fed various levels of calcium(50, 100, 200% of requirement)for 3 weeks. Body weight gain and feed efficiency ratio were significantly higher in young rats than in adults. Serum calcium level was increased by elevation of calcium intake levels were decreased. Liver phospholipid and triglyceride levels in the high-cal-terol and triglyceride levels were decreased. Liver phospholipid and triglyceride levels in the high calcium group were significantly lower than those in other groups. Serum GOT and LDH activities of adults were significantly higher in low-calcium group than those in adequate/high-calcium groups. However, serum CPK activity of adults was significantly higher in high-calcium group than that in low/adequate-calcium groups. The results of this study suggest that adequate calcium intake may have protective effects ont he alteration of lipid and enzyme activity in rats.
Kim, Myung-Hee;Kim, Yong-Ran;Lee, Jong-Wan;Park, Byung-Kwon;Kim, Min-Kyu;Choi, Mi-Kyeong;Kim, Ae-Jung
The Korean Journal of Food And Nutrition
/
v.21
no.3
/
pp.336-343
/
2008
This study was conducted to investigate the effects of caffeine on lipid and mineral content in the serum of rats given a caffeine free diet(FC), a low caffeine diet(LC), a medium caffeine diet(MC), a high caffeine diet(HC) or a super-high caffeine diet(SHC) for 5 weeks. Thirty male Sprague-Dawley rats(body weight, $110{\pm}0.3$ g) were blocked into 5 groups and fed diets with or without pure caffeine. Caffeine intake models showed a lower mean-weight gain, food intake and food efficiency in the high caffeine diet groups(MC, HC and SHC groups) than the groups receiving a caffeine free or low caffeine diet(FC and LC groups). Serum total lipid, total cholesterol and LDL-cholesterol levels decreased, but the serum HDL-cholesterol level increased according to the increase in caffeine intake. Serum total lipid, HDL-cholesterol and serum triglyceride were significantly lower in the HC and SHC groups than the FC group. All of the serum minerals decreased as caffeine intake increased. Serum iron, calcium, magnesium and phosphorus significantly decreased in the HC and SHC groups compared to the FC group. Caffeine intake was associated with less weight gain and reduced serum total cholesterol, triglyceride and total lipid. The results suggest that rats fed high amounts of caffeine may be susceptible to osteoporosis due to their low levels of calcium, magnesium and phosphorus.
The purpose of this study was to investigate the effects of soybean peptide on lipid peroxidation, antioxidant enzyme and inflammatory cytokines in male high school taekwondo players. The subjects were divided into 2 groups, which were a soybean peptide intake group (S-peptide, n=13) and a placebo intake group (Placebo, n=10). The s-peptide group took 4 g a day of soybean peptide for 4 weeks. Blood samples were taken from the antecubital vein at before taekwondo performance, after 2 and 4 weeks taekwondo performance. The plasma was analyzed for the antioxidant enzyme activity factor, lipid peroxidation and cytokines. As a result, the s-peptide group decreased lipid peroxidation (MDA) and increased the antioxidant enzyme activity factor (TAS and CAT). The plasma concentration of inflammatory cytokines, IL-6 and TNF-${\alpha}$ were significantly decreased in the s-peptide group after 4 weeks and showed significant differences between the groups. These results indicate that the intake of soybean peptide was positively improved on antioxidant enzyme and inflammatory cytokines in taekwondo player.
In order to investigate the ramyeon intake patterns, food value recognition, and their effects on blood pressure and blood lipid levels, a total of 385 male students aged 13- 15 years living in rural area were sampled randomly, and they were surveyed using questionnaire. Blood pressure and fasting serum lipids levels of 123 subjects selected among the total were determined. Of the total subjects 80.3% either liked or liked very much ramyeon and 42.2% of them were eating ramyeon from 1 to 2 times a week,21.1% 5-6 times a week, while 11.7% more than once a day, and 13.1% less than once a month. They took ramyeon from one (56.8%) to two (25.4%) packs each time. Two-third of subjects consumed entire ramyeon soup or more than half of it. Mostly they added egg or onion to ramyeon and took along with kimchi, cooked rice, danmuji, or dried laver. The food value recognition score about ramyeon was 41.33 out of 100 full grade. Comparing to underweight or normal weight subjects, overweight students tended to take ramyeon more frequently when playing with friends and tended to consume less soup of ramyeon. There was a significant negative correlation between ramyeon intake frequencies and HDL-cholesterol levels (r = -.223 p < .05). Moreover, among the normal body weight students (n = 72) adjusted with relative weight, ramyeon intake frequencies showed not only a significant negative correlation with HDL-cholesterol level (r = -.244 p < .05), but also significant positive correlations with atherogenic index (r : .249 p < .05) and systolic blood pressure (r : .259 p < .05) . These results suggested that frequent intake of ramyeon with limited sidedishes as a whole meal might have negative influences on blood pressure and serum lipid levels. Nutrition education is needed to have correct food value recognition and proper consumption of ramyeon along with the balanced diet. (Korean J Community Nutrition 8(4) : 485-494, 2003)
This study was carried out to investigate the effects of rice germ oil supplement on the lipid metabolism of insulin-dependent diabetic mice. Streptozotocin-induced diabetic mice were fed three kinds of experimental diets with 20% lipid, composed of 20% lard (L) : 10% lard and 10% rice germ oil (LRGO) ; and 20% rice germ oil (RBO), respectively, for 7 weeks. Diet intake, body weight, organ weight and lipid levels of serum, liver and feces were measured. There was no significant difference in diet intake, body weight and organ weight among the experimental groups. But the concentrations of serum triglyceride in the LRGO and RGO groups, and of serum total cholesterol in the RGO group, were significantly lower than those of the L group fed the 20% lard diet. The levels of hepatic total lipid of the RGO group, and of hepatic total cholesterol of the LRGO and RGO groups were significantly lower than those of the L group. The contents of total lipid and total cholesterol excreted in the feces of the LRGO and RGO groups were higher than those of the L group. These results suggest that rice germ oil can reduce the levels of total cholesterol concentrations in the serum or livers of insulin-dependent diabetic mice, and that the hypolipidemic effect of rice germ oil may be due to increasing fecal lipid excretion and decreasing lipid absorptivity.
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