Nutrition and metabolism最新文献_第6页

Intervention study in high school students with elevated blood pressures. Dietary experiment with polyunsaturated fatty acids. 高中生高血压的干预研究。多不饱和脂肪酸饲粮试验。

Nutrition and metabolism Pub Date : 1980-01-01 DOI: 10.1159/000176334

B Stern, S Heyden, D Miller, G Latham, A Klimas, K Pilkington

{"title":"Intervention study in high school students with elevated blood pressures. Dietary experiment with polyunsaturated fatty acids.","authors":"B Stern, S Heyden, D Miller, G Latham, A Klimas, K Pilkington","doi":"10.1159/000176334","DOIUrl":"https://doi.org/10.1159/000176334","url":null,"abstract":"A blood pressure-lowering effect of increased prostaglandin synthesis via polyunsaturated fatty acids has been demonstrated in animal experiments. To our knowledge, for the first time an attempt was made to lower elevated blood pressures in adolescents (age 15-18 years) through a diet enriched in polyunsaturated fatty acids. This community-based dietary trial involved 30 students in the diet group and 20 students in the control group without any dietary intervention. Within 6 weeks the systolic blood pressure decreased by almost 11 mm Hg in the diet group and by 6 mm Hg in the control group. Diastolic blood pressure fell by 2 and 1 mm Hg, respectively. The effect on blood pressure was markedly different in normal weight adolescents. Systolic blood pressure in the diet group decreased by 14 mm Hg but only by 5 mm Hg in the control group. Diastolic blood pressure levels fell by 4 mm Hg in the diet group and increased by 4 mm Hg in the control group. Unfortunately, the numbers in these two comparison groups were rather small. The majority (70%) of adolescents with high blood pressure was overweight (greater than or equal to 20% above normal weight). However, for the small group of normal weight adolescents, the diet enriched with polyunsaturated fatty acids may be suitable to reduce elevated blood pressure levels.","PeriodicalId":19333,"journal":{"name":"Nutrition and metabolism","volume":"24 3","pages":"137-47"},"PeriodicalIF":0.0,"publicationDate":"1980-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000176334","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18454612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 48

Recent international changes in coronary heart disease mortality. 最近冠心病死亡率的国际变化。

Nutrition and metabolism Pub Date : 1980-01-01 DOI: 10.1159/000176370

F H Epstein

引用次数: 2

Plasma glucose and insulin responses to orally administered carbohydrate-rich foodstuffs. 血浆葡萄糖和胰岛素对口服富含碳水化合物食物的反应。

Nutrition and metabolism Pub Date : 1980-01-01 DOI: 10.1159/000176338

S Vaaler, K F Hanssen, O Aagenaes

引用次数: 22

Selenium in premature infants. 硒在早产儿中的含量。

Nutrition and metabolism Pub Date : 1980-01-01 DOI: 10.1159/000176279

S Amin, S Y Chen, P J Collipp, M Castro-Magana, V T Maddaiah, S W Klein

引用次数: 65

Effect of dietary sucrose in humans on blood uric acid, phosphorus, fructose, and lactic acid responses to a sucrose load. 人类膳食蔗糖对血尿酸、磷、果糖和乳酸对蔗糖负荷的影响。

Nutrition and metabolism Pub Date : 1980-01-01 DOI: 10.1159/000176340

J T Solyst, O E Michaelis, S Reiser, K C Ellwood, E S Prather

引用次数: 13

Red blood cell fatty acid composition in a sample of Italian middle-aged men on free diet. 自由饮食的意大利中年男子的红细胞脂肪酸组成。

Nutrition and metabolism Pub Date : 1980-01-01 DOI: 10.1159/000176335

F Angelico, P Amodeo, C Borgogelli, A Cantafora, A Montali, G Ricci

引用次数: 24

Effect of calcium and copper on zinc absorption in the rat. 钙、铜对大鼠锌吸收的影响。

Nutrition and metabolism Pub Date : 1980-01-01 DOI: 10.1159/000176274

N F Adham, M K Song

{"title":"Effect of calcium and copper on zinc absorption in the rat.","authors":"N F Adham, M K Song","doi":"10.1159/000176274","DOIUrl":"https://doi.org/10.1159/000176274","url":null,"abstract":"The effect of cupric and calcium ions on zinc absorption was examined in Sprague-Dawley rats. In in vivo studies test solutions containing 7.5 mM 65ZnCl2 alone or in combination with 500 mM of either CuSO4 or CaCl2 were administered intraduodenally to three groups of rats. 2 h later the animals were sacrificed and their organ 65Zn content was determined. The results of these studies revealed that excess cupric ions had no effect on the 65Zn content of rat internal organs, whereas excess calcium ions decreased organs 65Zn content to 40%. Similar results were obtained in in vitro studies using three sets of rat jejunal sacs each filled with one of the above test solutions and incubated in oxygenated Eagle's medium. To investigate the reason(s) for the observed decreased rate of zinc absorption in the presence of excess luminal calcium, we examined zinc transport in 6 sets of jejunal sacs using six test solutions, each containing 7.5 mM 65ZnCl2 with 0, 12.5, 25, 37.5, 50, or 62.5 mM CaCl2. These experiments showed that 65Zn transport from mucosa to serosa was decreased by 40% in the presence of 25.0 mM CaCl2 but lower calcium concentrations had no effect on zinc transport. Increasing the luminal calcium concentration from 25 to 62.5 mM did not cause a further significant decrease in the rate of zinc transport. These results strongly suggest that zinc absorption in the rat is mediated by a transcellular transport process different from that which mediates copper and calcium absorption. The fact that calcium has been shown to reduce passive cation movements via shunt pathways in the gallbladder mucosa suggests the possibility that calcium in high luminal concentration may depress zinc absorption by reducing the passive component of jejunal zinc absorption.","PeriodicalId":19333,"journal":{"name":"Nutrition and metabolism","volume":"24 5","pages":"281-90"},"PeriodicalIF":0.0,"publicationDate":"1980-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000176274","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18452459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 17

Supplemental dietary carnitine and lipid metabolism in exercising rats. 饲粮添加肉碱对运动大鼠脂质代谢的影响。

Nutrition and metabolism Pub Date : 1980-01-01 DOI: 10.1159/000176314

E W Askew, G L Dohm, P C Weiser, R L Huston, W H Doub

引用次数: 8

[The cholesterol-lowering effect of the unicellular green alga Scenedesmus acutus 276-3a. II. Effect of alga fractions]. 单细胞绿藻Scenedesmus acutus 276-3a的降胆固醇作用。2藻类组分的影响[j]。

Nutrition and metabolism Pub Date : 1980-01-01

I Rolle, W Pabst

{"title":"[The cholesterol-lowering effect of the unicellular green alga Scenedesmus acutus 276-3a. II. Effect of alga fractions].","authors":"I Rolle, W Pabst","doi":"","DOIUrl":"","url":null,"abstract":"In former experiments we found that the extent of experimentally induced hypercholesterolemia in male Sprague-Dawley rats was significantly reduced by incorporation of 20% Scenedesmus powder in the diet. This paper reports on the localization of the activity in Scenedesmus powder following extraction of hydrophilic and lipophilic fractions. The fractions obtained by hot water treatment and chloroform-methanol extraction and the remaining extracted algae were incorporated in the standard diet in amounts corresponding to 20% Scenedesmus powder. In animals fed on the standard diet + 3% cholesterol for 6 weeks, the average concentration of blood plasma cholesterol increased from 2.0 to 3.5 mmol/l. The average cholesterol level in animals receiving the different algae extracts + 3% cholesterol amounted to between 2.1 and 2.9 mmol/l. The hot water extracted algae material held the plasma cholesterol levels in cholesterol-stressed animals at normal values. The content of plasma triglyceride in animals receiving the different fractions was lowered by 35-55% in nearly all groups. In cholesterol-stressed animals the excessive deposition of cholesterol in the liver was reduced by untreated algal powder as well as algal material extracted with water or chloroform/methanol. The decrease in liver cholesterol amounted to 50%.","PeriodicalId":19333,"journal":{"name":"Nutrition and metabolism","volume":"24 5","pages":"302-13"},"PeriodicalIF":0.0,"publicationDate":"1980-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"18453281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of undernutrition on lipid metabolism of brain. In vivo incorporation of labelled acetate and palmitate into lipids. 营养不良对脑脂质代谢的影响。标记的醋酸酯和棕榈酸酯在体内并入脂质。

Nutrition and metabolism Pub Date : 1980-01-01 DOI: 10.1159/000176315

S Chauhan, R Jailkhani, D Subrahmanyam

引用次数: 2