Seven day's menus consisting of the Korean traditional dietary patterns were prepared according to the Korean nutrition allowances per capital of whole population. After cooking foods one day's meal was collected, homogenized for one week. Nutrients in each day's meal were analysed. The results of this analysis are as follows ; Lipids contents were about 23% higher than the data obtained nationwide nutrition survey conducted in 1984. This suggests the increasing tendency of the fat the oil consumption . PUFA ratio in lipid was 35%, that the customary Korean cooking include high confirmiry amount of vegetable oils. Daily tocopherol intake was 8.3mg . This results is believed to as one reference to set up Korean R.D.A for tocopherol.
Vascular dementia is the most common neuropsychiatric syndrome and is characterized by synaptic dysfunction, neuroinflammation, and cognitive dysfunction. Vascular dementia is associated with various environmental, genetic, and lifestyle risk factors. Recent research has focused on the association between vascular dementia and dietary patterns, suggesting that dietary regulation leads to better control of energy metabolism, improvements in brain insulin resistance, and the suppression of neuroinflammation. Intermittent fasting is a calorie-restriction method known to be more effective in promoting fat loss and regulating the impairment of glucose metabolism as compared with other dietary restriction regimens. Herein, the authors review the effects of intermittent fasting with regard to vascular dementia based on recent evidence and propose that intermittent fasting could be a therapeutic approach for ameliorating vascular dementia pathology and preventing its onset.
Kang Myung-Hwa;Park Won-Jong;Lee Ji-Hyun;Chung Hae-Kyung
Journal of Nutrition and Health
/
v.38
no.1
/
pp.3-10
/
2005
The study analyzed the lipid patterns and fatty acid compositions of serum and liver tissues in groups of Sparague-Dawley rats. Some of the groups were fed with an basal diet, which contained com oil (C), grape seed oil (GSO), or perilla oil (P), and the others were fed with a high fat diet, which had cholesterol (1%) and lard (10%) mixed with corn oil (CHF), grape seed oil (GSHF), or perilla oil (PHF). The amount of dietary intake was higher for the basal diet groups than the high fat diet groups. And diet efficiency was significantly low in the group of rats fed with the basal diet mixed with perilla oil. From the analysis of the serum lipid patterns, a significant decrease in total lipid concentration was observed in the group of rats fed on the basal diet mixed with perilla oil and the high fat diet group. The levels of triglyceride and phospholipid were significantly low in the basal diet group when perilla oil or grape seed oil was involved. The ordinary diet groups showed significantly higher in HDL-C than the high fat diet groups. There was no significant difference among the basal diet groups, whether the diet was mixed with grape seed oil, perilla oil, or com oil. However, a significant increase in HDL-C was observed in the group of rats fed with the high fat diet containing perilla oil. For LDL-C, there was a significant difference between the high fat diet groups and the basal diet groups. LDL-C was especially low in the group of rats fed with the high fat diet to which perilla oil was added, and the grape seed-added high fat diet group showed a decreasing tendency in LDL-C. The content of total fat, total cholesterol, and triglyceride was the lowest in the group of rats fed with the perilla oil-containing basal diet, and this group was followed in order by the grape seed oil-containing diet group and com oil-containing diet group. In the analysis of the fatty-acid composition in liver tissue, the high fat diet groups showed an increase in saturated fatty acids and polyunsaturated fatty acids, but a decrease in mono unsaturated fatty acids when compared to the basal diet groups. The composition ratio of fatty acids varied according to which type of oil the diet contains. Our finding suggest that grape seed oil was an apparent diet effect on the fatty-acid composition.
Lipids, extracted with chloroform-methanol (2:1 by vol.) and purified, from nut and leaf of Ginkgo biloba were identified and quantitatived by column, thin layer and gas liquid chromatography. The results were summarized as follow: 1) The total content of purified lipids in the nut and leaf on the fresh weight basis were 1.32% and 2.24%, respectively. 2) The lipid fractions in the nut obtained by silicic acid colum chromatography were found to be composed of about 89% neutral lipids and about 10% compound lipids, and in the leaf were found to be composed of about 28% neutral lipids and about 72% compound lipids. 3) Among the neutral lipid fractions, triglycerides (86.2%) were the major component in the nut, but esterified sterols (53.3%) were the major component in the leaf. 4) The main fatty acids of the total lipids were oleic(37.5%) and linoleic acid(44.5%) in the nut, but linolenic(45.2%) and palmitic acid (25.1%) were main fatty acids in the leaf. The patterns of fatty acid composition of the neutral lipid fractions in the nut and leaf were found to be similar, and oleic, linoleic and palmitic acid were the predominant. A large amount of oleic and linoleic acid in the glycolipid fractions was found in the nut compared with those in the leaf, but linolenic acid content in the leaf was significantly higher than in the nut. And patterns of fatty acid composition of the phospholipid fractions in the nut and leaf were found to be similar to that of glycolipid fractions.
The amount of total lipids nad phospholipids in the rat liver and brain after sodium nitrite treatment was measured together with the composition ratio of phospholipids. The results obtained were as follows : 1) The amount of total lipids and phospholipids was decreased significantly and this decrease was more outstanding in the rat brain liver. 2) The amount of phosphatidylcholine, phosphatidylethanolamine, and sphingomyelin was decreased, whereas that of phosphatidylinositol and diphosphatidylglycerol nitrite treatment of 120mg/kg/day concentration brings inhibition of lipid metabolism in the rat liver and brain.
The effects of defatting by ether or 85% methanol on the properties of nonwaxy rice flours (Odaebyeo and Mankeumbyeo) were investigated. Starch granules in the rice flour were all polygonal and showed all A-type crystalline patterns regardless of defatting. Amylose content of the rice flour extracted by ether (crude lipid-defatted rice flour, CLDRF) was similar to the untreated (untreated rice flour, URF), however, that of 85% methanol (total lipid-defatted rice flour, TLDRF) was increased. Defatting decreased the water binding capacities of rice flour in all samples. The swelling power of rice flour was higher in Odaebyeo than Mankeumbyeo, and that of CLDRF showed a similar pattern to the untreated. Swelling power was the highest in TLDRF up to 85$^{\circ}C$, but decreased in the following order CLDRF > URF > TLDRF at above 95$^{\circ}C$. A similar pattern was observed in the leached soluble fraction, and its apparent amyloae content was increased rapidly at above 85$^{\circ}C$.
This study was carried out to compare the effect of smoking on dietary habits, nutrient intakes and blood lipid profiles in 173 adult male drinkers. Subjects were classified by two groups, alcohol-only and alcohol-smoking, based on their alcohol or smoking habits. The BMI of the alcohol-smoking group was significantly lower than those of alcohol-only group. In dietary habits, the alcohol-smoking group had higher irregular breakfast and dinner intakes than alcoholonly group (p < 0.05). Plant lipid intake of the alcohol-smoking group was higher than those of alcohol-only group (p < 0.05) and the vitamin C intake of the alcohol-smoking group was lower than those of alcohol-only group (p < 0.05). With regard to the diet quality evaluation of subjects, the alcohol-smoking group showed significantly lower values than alcohol-only group in the nutrient density of carbohydrate, dietary fiber, sodium, potassium, vitamin $B_6$, and vitamin C. Also, with regard to the index of nutrition quality (INQ) and the nutrient adequacy ratio (NAR), the alcohol-smoking group showed significantly lower value than alcohol-only group in vitamin C. With these results, we found that the alcohol-smoking group had lower diet quality evaluation. The results of blood analysis showed that HDL-cholesterol in the alcohol-smoking group was significantly lower than that in the alcohol-only group. In conclusion, the alcohol-smoking group had greater health risk than the alcohol-only group. Particularly, alcohol-smoking caused irregular eating patterns and unbalanced nutrition intakes compared to alcohol-only and also changed blood composition as shown in the decrease of HDL-cholesterol. Besides, the index of coronary heart disease such as AI was higher in both groups suggesting that alcohol-only or alcohol-smoking cause health problems. Since there is the limiting point in which the comparative analysis of non-drinkers and non-smokers is unable to be performed in this study, further wide research is needed on that matter.
This study was designed to investigate the effect of the ratio of energy from carbohydrate to total calories on dietary intake, obesity index, blood pressure, and blood lipid content in cardiovascular disease patients over 35 years old. A total of 552(227 male, 325 female) subjects were divided into three groups according to carbohydrate/total energy ratio : carbohydrate ratios below 25 percent were in the low carbohydrate group( <61.1%), between 25 and 75 percent carbohydrate were medium($\geq$61.1-<74.7%), and higher than 75 percent were in the high carbohydrate group($\geq$74.7%). The anthropometric data, nutrient intake, serum lipid levels, and blood pressure of each group were compared with one another. For men and women with high carbohydrate intakes, Inadequate nutritional intake was observed. Abdominal fat accumulation and blood TC level for men in the high carbohydrate group were higher than in medium or low carbohydrate groups. Therefore, it seems that high carbohydrate intake may produce adverse effects on abdominal fat accumulation and blood lipid patterns. Blood pressure, however, was significantly higher for women in low and high carbohydrate groups than in medium carbohydrate group. These results suggest that extremely high and low carbohydrate intake may raise the risk of cardiovascular disease and that it is necessary to consume nutritionally balanced meals. This can be done by controlling the ratio of dietary carbohydrate at a medium level in order to prevent and/or to reduce the risk.
This study was designed to investigate the effect of Ca supplementation of 1,000mg per day for 53 weeks on lipid, Na, and K metabolism and on blood pressure in postmenopausal women. The subjects were 12 healthy women aged from 60 to 70 years. They were divided into two groups : the placebo(control group) and the Ca supplemented(1,000 mg/day) group(Ca group). Metabolic studies were conducted twice in the 1st and the 53rd weeks. The results were as follows : Serum triglyceride, total cholesterol and LDL-choesterol levels tended to be decreased after the experiment. Serum VLDL-cholesterol lowering effect was observed with Ca supplementation(p<0.05), and also the significantly elevated HDL/(LDL+VLDL) ratio in Ca supplemented subjects whose average Na intake was as high as 4.9g per day. This phenomena was accompanied with increased Na retention and increased Na excretion in feces, but with decreased urinary Na in Ca supplemented group. However, considering much higher Na reteniton in the control group at the end of experiment(control va Ca ; 1272.3mg vs 732.9mg), Ca supplementation may have some beneficial effects on Na blance. Serum aldosterone level increased significantly in the Ca group after the exsperiment(p<0.05). With these normotensive subjects, there were no level increased significantly in the Ca group after the experiment(p<0.05). With these normotensive subjects, there were no pronounced effect of Ca supplementation on blood pressure, however, decrease in diastolic blood pressure were observed at the 14th week and end of the experiment(p<0.05). In summary, the Ca supplementation on postmenopausal Koran women appears to exert a desirables effect on blood lipid patterns related to the coronary heart diseases and to be beneficial in controlling diastolic blood pressure. Further studies with hypertensive or/and hyperlipidemic subjects are required to clarify the effect of Ca supplementation in Koreans.
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)
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