Prediction of dietary iron absorption: an algorithm for calculating absorption and bioavailability of dietary iron

Hallberg, Leif; Hulthén, Lena

doi:10.1093/ajcn/71.5.1147

Cited by 414 publications

(426 citation statements)

References 48 publications

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“…Nevertheless, in the sub-sample of 114 low-income children with venous blood samples, it was possible to obtain a more precise estimate of bioavailability by adjusting for ferritin levels according to the algorithm proposed by Hallberg and Hulthén (24) . This method resulted in an estimate of 7?4 % for bioavailability, a value which is comparable to the 5 % estimate obtained with the Monsen method for the whole sample (data not shown).…”

Section: Discussionmentioning

confidence: 99%

Flour fortification with iron has no impact on anaemia in urban Brazilian children

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Santos

Barros

et al. 2012

Public Health Nutr.

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Section: Discussionmentioning

confidence: 99%

Flour fortification with iron has no impact on anaemia in urban Brazilian children

Assunção

Santos

Barros

et al. 2012

Public Health Nutr.

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“…The inhibitory effect of phytate on iron absorption is well recognized (Cook et al, 1997;Sandberg et al, 1999), but only recently have equations been proposed to quantify the inhibitory effect of phytate on iron absorption in humans when combined with dietary enhancers of iron absorption (Hallberg & Hulthen, 2000) and these may be adopted in the future. Nonetheless, it is expected that interventions to reduce the phytate content of the diet will also result in improved bioavailability of iron.…”

Section: Discussionmentioning

confidence: 99%

Complementary feeding practices and dietary intakes from complementary foods amongst weanlings in rural Malawi

Hotz

2001

Eur J Clin Nutr

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Objective: The objectives of this study were to estimate the quantity and nutritive quality of the complementary diet in rural Malawi, and to identify feeding practices, nutrients and dietary modifiers of iron and zinc bioavailability that may limit the quality of the diet. Design: This cross-sectional study design included an anthropometric survey, a feeding practices questionnaire, and an interactive, 24 h recall dietary data survey. Setting: Four rural villages in Balaka district, southern Malawi. Subjects: Mothers resident in the study communities with breastfed children aged up to 24 months were eligible. Results: Stunting was prevalent among these weanlings. Maize was the predominant food source, with limited contribution of animal foods. Deficits in dietary energy and several nutrients were found when compared to estimated needs. When expressed per kg body weight, energy intakes appeared adequate. The bioavailability of zinc was low due to a high phytate:zinc molar ratio. Iron bioavailability was also low due to low intake of absorption enhancers such as meat=fish=poultry protein and ascorbic acid. Dietary quality was poorest for 6 to 8-month-old infants. Conclusions: Iron, zinc and calcium were the most limiting nutrients to the quality of the diet, partly exacerbated by the poor bioavailability of iron and zinc. Increased total intake and bioavailability of iron and zinc would improve the complementary diets.

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“…Alcohol consumption, therefore, does appear protective against anemia among this vulnerable group. There is an abundant literature on increased iron status and absorption related to alcohol consumption (Turnbull, 1974;Hallberg & Hulthen, 2000;Millman & Kirchhoff, 1996). However, we do not know what it is about alcohol consumption among these women that reduces their risk of anemia (eg fermentation process, iron vessels, alcohol stimulation of gastric acid secretion, promoting solubility and reduction of ferric iron; iron present in the alcohol; enhanced iron absorption, or an unmeasured variable that changes anemia status not related to alcohol consumption).…”

Section: Anemia Burden For Indian Women Me Bentley and Pl Griffithsmentioning

confidence: 99%

The burden of anemia among women in India

2003

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Objective: This research investigates the prevalence and determinants of anemia among women in Andhra Pradesh. We examined differences in anemia related to social class, urban=rural location and nutrition status body mass index (BMI). We hypothesized that rural women would have higher prevalence of anemia compared to urban women, particularly among the lower income groups, and that women with low body mass index (BMI; < 18.5 kg=m 2 ) would have a higher risk compared to normal or overweight women. Design: The National Family Health Survey 1998=99 (NFHS-2) provides nationally representative cross-sectional survey data on women's hemoglobin status, body weight, diet, social, demographic and other household and individual level factors. Ordered logit regression analyses were applied to identify socio-economic, regional and demographic determinants of anemia. Setting: Andhra Pradesh, a southern Indian state. Subjects: A total of 4032 ever-married women aged 15 -49 from 3872 households. Results: Prevalence of anemia was high among all women. In all 32.4% of women had mild (100 -109.99 g=l for pregnant women, 100 -119.99 for non-pregnant women), 14.19% had moderate (70 -99.99 g=l), and 2.2% had severe anemia ( < 70 g=l). Protective factors include Muslim religion, reported consumption of alcohol or pulses, and high socioeconomic status, particularly in urban areas. Poor urban women had the highest rates and odds of being anemic. Fifty-two percent of thin, 50% of normal BMI, and 41% of overweight women were anemic. Conclusions: New program strategies are needed, particularly those that improve the overall nutrition status of women of reproductive ages. This will require tailored programs across socio-economic groups and within both rural and urban areas, but particularly among the urban and rural poor.

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Prediction of dietary iron absorption: an algorithm for calculating absorption and bioavailability of dietary iron

Abstract: This algorithm has several applications. It can be used to predict iron absorption from various diets, to estimate the effects expected by dietary modification, and to translate physiologic into dietary iron requirements from different types of diets.

Cited by 414 publications

References 48 publications

Flour fortification with iron has no impact on anaemia in urban Brazilian children

Flour fortification with iron has no impact on anaemia in urban Brazilian children

Complementary feeding practices and dietary intakes from complementary foods amongst weanlings in rural Malawi

The burden of anemia among women in India

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