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Wróbel K - - 2000
Total aluminum, chromium, copper, iron, manganese, and nickel were determined in black tea, green tea, Hibiscus sabdariffa, and Ilex paraguariensis (mate) by electrothermal atomic absorption spectrometry after nitric/perchloric acid digestion. In each case, one ground sample of commercially available leafy material was prepared and three 0.5-g subsamples were run in ...
Toyonaga A - - 2000
We conducted an epidemiological study to investigate the relation of food intake to Helicobacter pylori (H. pylori) infection in an area endemic for H. pylori. In this study, 365 subjects, 104 men and 261 women, were randomly selected from 7,389 adult (over age 20) inhabitants of town A, Japan. The ...
Bailie G R - - 2000
Intravenous iron is required by most dialysis patients receiving erythropoietin (EPO) to maintain an adequate hematocrit. In the United States, there are currently two parenteral iron preparations, iron dextran and iron gluconate, approved for such use, and a third product, iron sucrose, is under development. This article reviews each of ...
von Unruh G E - - 2000
Hyperoxaluria is the most important risk factor for a formation of calcium oxalate-urinary stones. Usually, the bulk of oxalate will be formed in the human body, but in many patients the oxalate from food plays the decisive role. Conventionally, in urine the endogenous oxalate can not be distinguished from food ...
Ross A B - - 1999
Oca (Oxalis tuberosa Mol.) or New Zealand yam, in common with other members of this genus, contains oxalate, an antinutritive factor. Twelve South American and two New Zealand cultivars of oca were analyzed for total and soluble oxalate contents of the tubers. The range of total oxalate levels was 92-221 ...
Curhan G C - - 1999
The importance of dietary and urinary oxalate in the formation of calcium oxalate kidney stones is widely accepted. Although the epidemiologic evidence for the role of oxalate remains largely indirect, recent prospective observations suggest its importance. The inverse association between dietary calcium intake and the risk of stone formation may ...
Adish A A - - 1999
OBJECTIVE: To determine risk factors for anaemia in preschool children. DESIGN: A cross-sectional study. SETTING: Tigray province, northern Ethiopia. SUBJECTS: 2080 of 2373 children aged 6-60 months provided blood to assess anaemia. RESULTS: Anaemia was highly prevalent (42%) and constituted an important nutritional problem in the region. In a sub-sample ...
Milman N - - 1999
Iron status, S-ferritin, and hemoglobin (Hb) were assessed in a population survey in 1994 (DAN-MONICA 10) comprising 1332 Caucasian Danish men equally distributed in age cohorts of 40, 50, 60 and 70 years. Blood donors (n=186) had lower S-ferritin, median 76 microg/l, than nondonors, median 169 microg/l (p<0.0001). S-ferritin in ...
Mol J H - - 1999
The accumulation of calcium, magnesium and phosphorus was measured during an 8-week period in the early life stages of the air-breathing armoured catfish Megalechis personata acclimated to low-mineral fresh water (0.073 mmol l-1 calcium, 0.015 mmol l-1 magnesium, <0.001 mmol l-1 phosphate) and high-mineral fresh water (0.59 mmol l-1 calcium, ...
Lee S W - - 1999
Methemoglobin (MetHb) is an oxidation product of hemoglobin in which the sixth coordination position of ferric iron is bound to a water molecule or to a hydroxyl group. The most common cause of acquired MetHb-emia is accidental poisoning which usually is the result of ingestion of water containing nitrates or ...
Doyle W - - 1999
OBJECTIVE: To quantitatively investigate relationships between food consumption, nutrient intake and biochemical markers of iron status in a population of older people. DESIGN: National Diet and Nutrition Survey: cross-sectional survey of a nationally representative population of men and women aged 65 y and over. SETTING: Mainland Great Britain SUBJECTS: 1268 ...
Jackson G E - - 1999
In patients with familial hypercholesterolaemia regular therapeutic apheresis is acknowledged to have long-term benefit. A previously unrecognised complication of such intervention is the development of anaemia that reflects a sub-optimal dietary iron intake coupled with accelerated loss of this trace metal in the fluid discarded after each procedure. Additional contributions ...
Polla B S - - 1999
The recent finding of the beneficial effects of iron deprivation in the outcome of muscle necrosis in an animal model of genetic myopathy served as the basis of this commentary. Here, "taking away" iron by controlled dietary deprivation is proposed as a reasonable, feasible, cheap, and efficient clinical approach to ...
Zamora R - - 1999
epsilon-N-Pyrrolylnorleucine was determined in different fresh food products to study its presence as a normal component of food proteins. Twenty-two different products were screened: cod, cuttlefish, salmon, sardine, trout, beef, chicken, pork, broad bean, broccoli, chickpea, garlic, green pea, lentil, mushroom, soybean, spinach, sunflower, almond, hazelnut, peanut, and walnut. Foods ...
Mannion P F - - 1999
1. The lysine requirement of growing emus between 23 and 65 d of age was determined according to growth response variables. 2. The optimal lysine requirement of emus was found to be 0.83 and 0.90 g/MJ ME for growth rate and gain:food ratio respectively. These findings are in accordance with ...
Loria P - - 1999
The malaria parasite feeds by degrading haemoglobin in an acidic food vacuole, producing free haem moieties as a by-product. The haem in oxyhaemoglobin is oxidized from the Fe(II) state to the Fe(III) state with the consequent production of an equimolar concentration of H2O2. We have analysed the fate of haem ...
Cooper P L - - 1999
BACKGROUND: Gastroplasty results in a considerable reduction in food intake and dramatic weight loss. This is likely to have a nutritional impact, although it is expected that this may be minimised by good advice and supplement use. METHODS: Twenty six obese subjects were studied in detail before and after modified ...
Nelson G C - - 1999
Diets high in fermentable carbohydrates are known to be highly cariogenic, particularly when contained in very sticky food such as dates. This medium allows food to remain in contact with the teeth, thereby resisting the normal flushing action of the saliva. When comprising a large portion of the diet, food ...
Adish A A - - 1999
BACKGROUND: In less-developed countries, novel strategies are needed to control iron-deficiency anaemia, the most common form of malnutrition. METHODS: We undertook a community-based randomised controlled trial to assess the effects of iron or aluminium cooking pots in young Ethiopian children. Analysis was by intention-to-treat. The primary outcomes were change in ...
Schümann K - - 1998
Iron deficiency affects approx. 20% of the world population. Due to predominantly vegetarian diets that reduce the bioavailability of food iron drastically, deficiency states are most widely distributed in developing countries. In addition, iron demand is increased by blood losses and by fast growth which increases the risk of iron ...
Lysionek A E - - 1998
A methodology for the determination of iron in foods fortified with this element or in nutritional products is important and has to be sensitive and rapid. In developing countries, an inexpensive and reliable methodology is also required. For this purpose, the Gordon's Ferrozine technique was slightly modified and assayed with ...
Gibson R S - - 1998
OBJECTIVE: To assess the energy and nutrient adequacy of a variety of complementary foods used in parts of Africa, India, Papua New Guinea, the Philippines and Thailand. METHOD: The energy, nutrient and anti-nutrient (dietary fibre and phytic acid) content (per 100 g as eaten, per 100 kcal, and per day) ...
Martinez C - - 1998
BACKGROUND: Nutritional iron deficiency in infants over 4 months of age is one of the most common deficiency disorders. Dietary iron is comprised of non-haem and haem iron, the latter being absorbed by a separate pathway and more efficiently than non-haem iron. Fortification of infant weaning foods is one of ...
Amaro-López M A - - 1998
Variations in the copper, iron, zinc, manganese, calcium, magnesium, sodium, potassium and phosphorous content of fresh white asparagus (Asparagus officinalis, L.) as a function of the spear portion and the differences between varieties (Desto and Cipré's) and thicknesses (< 11 and > 14 mm) of asparagus were investigated. The mineral ...
Cissé D - - 1998
The effects of different cereal precooking process (roasting and extrusion cooking) on iron availability and protein digestibility of four African weaning foods were investigated using in vitro methods. In two weaning foods based on pearl millet, cowpea and peanut, the cereal was extruded (A) or roasted (B). In two other ...
Gibson R S - - 1998
Assessment of dietary zinc status in a population requires several steps, consisting of the measurement of food intake distributions in the population; the analysis of local staple foods, from which zinc intake distributions can be determined, and the comparison of zinc intakes with requirement estimates to determine the risk of ...
Whittaker P - - 1998
Iron deficiency is the most common nutritional deficiency in the world; zinc deficiency is associated with poor growth and development and impaired immune response. Several Third World countries are taking measures to increase the dietary intake of iron and zinc with fortification of foods or dietary supplements. Several studies showed ...
Davidsson L - - 1998
NaFe(III)EDTA is a promising iron (Fe) compound for food fortification programs because of its high Fe bioavailability from meals containing dietary inhibitors of Fe absorption such as phytic acid. However, this Fe compound is not currently used in any large-scale fortification program because of concern over its possible negative influence ...
Gibson R S - - 1998
Widespread zinc deficiency is likely to exist in developing countries where staple diets are predominantly plant based and intakes of animal tissues are low. The severe negative consequences of zinc deficiency on human health in developing countries, however, have only recently been recognized. An integrated approach employing targeted supplementation, fortification ...
Hauser Md - - 1998
Rhesus monkeys, Macaca mulatta, on the island of Cayo Santiago, Puerto Rico produce one or more of five acoustically distinctive calls when they find food. Three of these calls ('warbles', 'harmonic arches' and 'chirps') are produced by individuals finding high-quality, rare food items, whereas the other two calls ('coos' and ...
Borigato E V - - 1998
To determine the efficacy of cooking food in iron pots to prevent anemia in premature infants, a longitudinal study on iron nutritional status was conducted in preterm, healthy infants from families of low socioeconomic level between mo 4 and 12 of life. The infants were divided randomly into two groups. ...
Johnson M A - - 1998
High intakes of iron, zinc, or manganese can interfere with copper absorption. Thus, the purpose of this study was to determine whether the amounts and chemical forms of iron, zinc, manganese, and copper added to food products and nutritional supplements might pose a threat to copper status. More than 25% ...
Fly A D - - 1998
Experiments were conducted to determine effects of isolated lignin and intact lignin in foods on bioavailability of intrinsic iron in lignin-containing foods and of supplemental iron (FeSO4.H20). Standard curve and slope ratio methodology were employed to determine iron bioavailability to chicks. In one experiment, lignin content of foods ranged from ...
Fox T E - - 1998
The bioavailability of iron glycine added to a vegetable infant weaning food was compared with ferrous sulfate. Stable, isotopically labeled compounds (57Fe or 58Fe) were mixed into the midday meal (1.4 mg added Fe/serving) and fed to 9-mo-old infants on alternate days for 8 d. Bioavailability, expressed as a percentage ...
Paul A A - - 1998
Zinc and phytate intakes of 183 rural Gambian infants were obtained from weighed records of breastmilk and food intake and measured contents in foods. Total zinc intake of 2.7 mg/d in the first month of age declined to 1.5 mg/d at 3 months, then increased to 4.3 mg/d by 17 ...
Roeckel I E - - 1998
Duodenal iron absorption from food is selectively blocked to prevent iron intoxication. The prime example of pathologic increase in intestinal iron absorption is seen in patients with hemochromatosis. They suffer iron damage to the heart, liver, and other tissues resulting in premature death if the iron is not removed by ...
Ortega R M - - 1998
In a group of 130 women of fertile age (24.5 +/- 2.7 years), the consumption of meat and meat products was evaluated in order to determine the effect of this food group on blood and biochemical parameters that act as indicators of iron status, and on a range of serum ...
Vodovotz Y - - 1998
A food system based on raw products obtained from higher plants may be a central feature of a biologically based Advanced Life Support System (ALSS) used on long-duration missions to Moon or Mars. Such a food system is dramatically different from previous systems used on the Shuttle or from what ...
Bourland C T - - 1998
Food for space has evolved from cubes and tubes to normal Earth-like food consumed with common utensils. U.S. space food systems have traditionally been based upon the water supply. When on-board water was abundant (e.g., Apollo and Shuttle fuel cells produced water) then dehydrated food was used extensively. The International ...
Glindemann D - - 1998
Phosphine is a toxic agent and part of the phosphorus cycle. A hitherto unknown formation mechanism for phosphine in the environment was investigated. When iron samples containing iron phosphide were incubated in corrosive aquatic media affected by microbial metabolites, phosphine was liberated and measured by gas chromatography. Iron liberates phosphine ...
Gibson R S - - 1997
Iron deficiency is widespread among young children and women of reproductive age, especially in less industrialized countries. It is partly induced by plant-based diets containing low levels of poorly bioavailable iron. The most effective technological approaches to combat iron deficiency in less industrialized countries include supplementation targeted to high risk ...
Olsson K S - - 1997
OBJECTIVES: The iron fortification of food in Sweden, the highest in the world, was withdrawn 1st January 1995, because the effect upon target groups was considered to be uncertain. We wanted to study the effect of such a dietary experiment. DESIGN: Comparative cross over study. SETTING: Out patient service and ...
Carmel R - - 1997
Low cobalamin concentrations are common in the elderly. Although only a minority of such persons display clinically obvious symptoms or signs, metabolic data clearly show cellular deficiency of cobalamin in most cases. The evidence suggests that this is not a normal physiologic expression of the aging process. Rather, the elderly ...
Bakr A A - - 1997
Iron fortification of wheat breads is the optimal approach for reducing the high prevalence of iron deficiency in wheat-eating developing countries as in Egypt. The effectiveness of some natural iron-fortificants for potential use in Egyptian bread was tested. Defatted soybean flour, soybean flour, soybean hull flour, molasses and fenugreek flour ...
Walker A R - - 1997
Pica is the compulsive eating of non-food substances over a sustained period of time. It remains an intriguing, little understood occurrence, with a potential for both positive and negative outcomes. In this review information is given on the history of the phenomenon, its prevalence among children and women, and its ...
Layrisse M - - 1997
Iron deficiency can be caused not only by diets deficient in iron but by poor absorption of available dietary iron. Extrinsically tagging foods with radioiron allows the exact measurement of iron absorbed from heme and nonheme iron foods. It has furthered the study of the effect of enhancers and inhibitors ...
Insiripong S - - 1997
Prevalence of thalassemias and/or hemoglobinopathies, particularly hemoglobin E, and cholangiocarcinoma were found more prominently in the lower part of the Northeast of Thailand as compared with the upper part of this region or any other area of the country. The aim of this study was to evaluate if there was ...
Zhang Z W - - 1997
In 1993-1995, a nutritional survey was conducted in China, in which 50 women each in three cities of Beijing, Shanghai and Nanning (thus 150 in total) volunteered to offer 24-hr total food duplicates and peripheral blood samples. People daily took 1,776 kcal (7,431 kJ) energy, 57 g protein, 75 g ...
Annan-Prah A - - 1997
Kenkey is a cooked, fermented white maize food of the people of the southern half of Ghana. There are three types of kenkey viz: Ga, Fanti-Brown and Fanti-White. Kenkey is widely used as a weaning pap by a lot of low income families. In mashing it into the weaning pap, ...
Cook J D - - 1997
Iron absorption from various cereal grains was evaluated in the present study to identify possible preferences for the preparation of infant weaning foods. In six separate studies, four radioiron absorption tests were performed in each of 57 volunteer subjects by using a sequential double-isotopic method. Serum ferritin concentration was used ...
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