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  • 1
    ISSN: 1436-6215
    Keywords: protein-energymalnutrition ; vitaminE status ; children ; Sudan ; developingcountries ; Protein-Energie-Mangelernährung ; Vitamin-E-Status ; Kinder ; Sudan ; Entwicklungsländer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Zusammenfassung Das Gesamttocopherol und alpha-Tocopherol wurden im Plasma von Kindern mit schwerer Mangelernährung (14 Maramus; 11 marantischer kwashiorkor; 5 kwashiorkor) bestimmt und auf die Gesamtlipide des Plasmas und auf die verschiedenen Plasmalipidklassen bezogen. Wenn die reinen Plasmakonzentrationen als ein Index des Vitamin-E-Status genommen würden, so wären 5 Kinder mit Marasmus, 5 Kinder mit marantischem kwashiorkor und 2 Kinder mit kwashiorkor als defizitär (〈500 μg/dl) anzusehen. Werden jedoch Gesamttocopherol und alpha-Tocopherol auf die Gesamtlipide bezogen, so zeigten alle mangelernährten Kinder — bis auf eines — Werte, die innerhalb der Grenzen lagen, die für gesunde amerikanische Kinder gefunden wurden. Die Studie zeigt, daß niedrige Tocopherol-Lipid-Verhältnisse kein konstantes Merkmal bei schwer mangelernährten Kindern sind.
    Notes: Summary Total tocopherols and alpha-tocopherols were estimated in the plasma of children with severe malnutrition (14 marasmus; 11 marasmic kwashiorkor; five kwashiorkor) and related to the total plasma lipids and different plasma lipid classes. If the mere plasma concentrations were taken as an index of the vitamin E status, five children with marasmus, five children with marasmic kwashiorkor, and two children with kwashiorkor would have been regarded as deficient (〈500 μg/dl). However, if total tocopherols and alpha-tocopherols were related to the total plasma lipids, all malnourished children — except one — showed values within the limits found in healthy American children. The study shows that low tocopherol/lipid ratios are not a constant feature in severely malnourished children.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    European journal of nutrition 22 (1983), S. 1-5 
    ISSN: 1436-6215
    Keywords: zinc ; hair ; malnutrition ; Libya
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Zusammenfassung Der Haarzinkgehalt wurde in Haaren von Kindern aus Nord- und Südlibyen bestimmt. Der Zinkgehalt betrug 213±36 μg/g bei libyschen Neugeborenen. Es bestand kein Unterschied zwischen den Werten von Neugeborenen aus Nord- und Südlibyen. Der Zinkgehalt fällt während der Säuglingszeit ab. Bei Klein- und Schulkindern lag der Zinkgehalt bei 88±35 μg/g bzw. 89±25 μg/g. Diese Werte sind so niedrig wie die bei amerikanischen kleinwüchsigen Kindern oder fast so niedrig wie bei den ägyptischen und persischen Zwergen mit vermindertem Zincstatus.
    Notes: Summary Hair zinc has been investigated in children of North and South Libya. The hair zinc content amounts to 213±36 μg/g in newborns. There is no difference between the values of newborns from North Libya and newborns from South Libya. The hair zinc values decrease during infancy. In toddlers and school-children the hair zinc content is 88±35 μg/g, 89±25 μg/g resp. These values are as low as those reported in American children with low height percentiles or nearly as low as those found in dwarfs with poor zinc status from Egypt and Iran.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    European journal of nutrition 23 (1984), S. 230-236 
    ISSN: 1436-6215
    Keywords: selenium ; vegetable ; fruit ; cereals ; infant food
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Zusammenfassung Der Selengehalt der Nahrung weist große regionale Unterschiede auf. Nahrungsproben von Säuglings- und Kleinkinderkost aus Nordrhein-Westfalen wurden mit Hilfe der instrumentellen Neutronenaktivierungsanalyse untersucht und zeigten, daß der Selengehalt der hiesigen Gemüse und Früchte durchschnittlich etwa 5 ng/g beträgt. Nur Proben von Kartoffeln und Bananen weisen einen höheren Selengehalt auf. Bananen, importiert aus verschiedenen Gebieten der Erde, zeigen eine extrem hohe Schwankungsbreite mit Werten zwischen 4 und 164 ng Se/g. Fertiggerichte für Säuglinge und Kleinkinder haben einen der Kuhmilch vergleichbar niedrigen Selengehalt von durchschnittlich 24 ng/g. Außer Eiern enthalten nur Milchbreie und einige andere getreidehaltige Produkte mehr als 100 ng Se/g.
    Notes: Summary The selenium content of food exhibits great regional differences. Food samples of infants and young children from the North Rhine-Westphalia State in the Fed. Rep. of Germany were analysed by instrumental neutron activation analysis and showed that the average selenium content of local vegetable and fruit is below 5 ng/g wet weight. Only samples of potatoes and bananas exhibit higher selenium contents. The bananas, probably imported from different areas of the world, show an extremely high variance with values between 4 and 164 ng Se/g. Commercially available ready-for-use meals for infants or young children have a low Se content (median 24 ng/g) which is comparable to cow's milk. Besides eggs, cereals enriched with milk and some other cereal products contain more than 100 ng Se/g.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1436-6215
    Keywords: nutrition ; children ; food ; fat ; lipid composition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Medicine
    Description / Table of Contents: Zusammenfassung Die analytischen Methoden und die Ergebnisse der Analysen der Lipidbestandteile von käuflich erhältlicher Beikost für ältere Säuglinge und Kleinkinder werden beschrieben. Die Lipide wurden mit Äthanol/Zyklohexan extrahiert, chromatographisch in polare und nichtpolare Fraktionen getrennt; die Fettklassen (Triglyzeride, Monoglyzeride, freie Fettsäuren, Cholesterinester und Phospholipide) wurden getrennt und durch Vergleich mit Referenzsubstanzen und durch Gaschromatographie identifiziert bzw. bestimmt. Zur Bestimmung der Fettsäuren in der 2-Position der Triglyzeride wurden die Triglyzeride mit Pankreaslipase zu entsprechenden Monoglyzeriden hydrolysiert und die entstandenen Monoglyzeride gaschromatographisch getrennt. Die Linolsäure, 18.2ω6, wurde als vorherrschende Fettsäure in der 2-Position der Triglyzeride gefunden. Die anderen Fettsäuren wurden mit Ausnahme weniger gleichmäßig über die einzelnen Positionen verteilt. Das Fett machte 31 bzw. 48% der Gesamtkalorien der untersuchten Präparate aus. Vorausgesetzt, daß ein Gläschen pro Tag gefüttert wird, werden dadurch 0,6 bis 2,4% der Energie in Form von Linolsäure zugeführt.
    Notes: Summary Analytical methods and the results of the analysis of the lipids of commercially available canned supplementary foods for juniors are described. Lipids were extracted, separated into polar and non-polar fractions and the components (triglycerides, monoglycerides, free fatty acids, cholesterol ester, and phospholipids) were then identified and estimated, by comparison with reference substances and by gas chromatography. To determine the degree of unsaturation and positional distribution of the fatty acids, the triglycerides were hydrolyzed by pancreatic lipase to monoglycerides with the fatty acid in 2-position of glycerol, and the fatty acids and the monoglycerides were also separated by gas chromatography. Linoleic acid, 18.2ω6, was found as the predominant fatty acid in the 2-position of the triglycerides. The other fatty acids being distributed equally to all positions of glycerol with the exception of few minor fatty acids. Fat contributed to 31 to 48 percent of the total energy supply of the analyzed items; linoleic acid providing 0.4 to 2.4 percent of this energy assuming that one can of these products is consumed daily.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1076
    Keywords: Selenium ; Intake ; Children ; Phenylketonuria
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In 20 healthy infants and children, 5–20 months old, the Se intake was estimated by analysing food samples by instrumental neutron activation analysis. The intake was calculated by weighing the portions offered and actually consumed. The median Se content of the food amounted to 27 ng/g wet weight (gww) and median daily Se intake to 33.5 μg. The Se intake was not equally distributed over the day. About 50% of the daily Se intake was derived from the supper. The main Se sources (41%) for young children were cereal paps. Commercially, available meals (30 ng/g) contained less Se than home-made ones (50 ng/g). In nine dietetically treated patients with phenylketonuria the median Se intake amounted only to 6.9 μg/day corresponding to a mean Se content of the diet of 7.9 ng/g. The main Se source in the diet was vegetables (36.3%) and 20% derived from their protein supplements. The Se intake of young children, healthy or dietetically treated, cannot be calculated accurately from tables but must be estimated by measuring the Se content of the local food because cereals and vegetables-the main Se sources-exhibit great regional variations.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 139 (1982), S. 172-175 
    ISSN: 1432-1076
    Keywords: Maple syrup urine disease ; Acute phase of MSUD ; Insulin treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract High and neurotoxic blood levels of leucine and its ketoanalogue develop in catabolic patients with maple syrup urine disease. The use of relatively high doses of insulin and additional glucose had a more pronounced effect on lowering leucine (and α-ketoisocaproate) blood levels than dietary elimination of leucine alone. This is demonstrated in 2 neonates after blood exchange transfusion and in one 4-months old patient suffering from febrile diarrhea.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 142 (1984), S. 147-150 
    ISSN: 1432-1076
    Keywords: Homocystinuria ; 5,10-methylenetetrahydrofolate reductase deficiency ; Betaine ; Homocysteine remethylation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In a 3-year-old mentally retarded girl with homocystinuria due to 5,10-methylenetetrahydrofolate reductase deficiency among different therapeutic approaches only treatment with betaine (15–20 g/day) resulted in a satisfactory biochemical response. Betaine improved homocysteine remethylation and thus lowered plasma homocystine to trace amounts and normalized the previously very low plasma methionine concentration. This biochemical response was associated with a clinical improvement although she remained mentally retarded.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-1076
    Keywords: Allergic asthma ; Children ; Phospholipids ; Fatty acids ; Glucocorticoids
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Fatty acid (FA) composition of plasma phospholipids and phospholipids extracted from peripheral mononuclear white blood cells (MNC) was investigated in 11 allergic asthmatic children (age 8.9±4.6 years), in 10 age-matched non-allergic healthy controls and in 14 allergic and non-allergic children with an acute attack of asthma, who had received prednisolone medication for 2–4 days. In allergic asthmatics eicosapentaenoic acid (20∶5n−3) was significantly elevated in both plasma and MNC. The relative amount of 20∶5n−3 in MNC as well as in plasma correlated positively with increasing levels of total serum IgE (P〈0.02). The pattern of the other FAs in plasma and of MNC phospholipids did not differ between allergic asthmatic and non-allergic control children. In children with an acute attack of asthma, who had been treated with glucocorticoids (2 mg prednisolone/kg body weight for 2–4 days), distinct changes of relative FA composition of phospholipids were restricted to plasma, where some very long chain FA (22∶4n−6, 22∶5n−6) were elevated. No significant changes in FA from MNC phospholipids could be observed after glucocorticoid treatment. These findings may indicate a possible role of 20∶5n−3, the precursor of “group 3” eicosanoids, in allergic asthmatic children.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    European journal of pediatrics 152 (1993), S. 378-379 
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-1076
    Keywords: Selenium ; Glutathione peroxidase ; Selenium deficiency ; Selenium supplementation ; Nutrition
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The diets of 5 patients with phenylketonuria or maple-syrup-urine disease were supplemented with yeast which was rich in selenium. For 120 days the patients received 45 μg Se/day to increase the Se content of their diets to 10–12ng Se/Kjoule. Before supplementation the selenium content of serum (5–15 ng/ml) and whole blood (10–27 ng/ml), and the activity of the erythrocyte glutathione peroxidase (0.19–2.69 U37/g Hb), amounted to only 10–20% of normal. The serum selenium content reached normal values within 4 weeks of supplementation, followed by normalisation of the selenium content of whole blood within 4–8 weeks. Restoration of the activity of erythrocyte glutathione peroxidase took 9 to 15 weeks —the red cell life span. There was a significant positive correlation between the selenium content of the erythrocytes and the activity of erythrocyte glutathione peroxidase.
    Type of Medium: Electronic Resource
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