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Hemoglobin adducts ...
Hemoglobin adducts as a measure of variations in exposure to acrylamide in food and comparison to questionnaire data
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- Vikström, Anna C. (författare)
- Stockholms universitet,Avdelningen för miljökemi
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Warholm, Margareta (författare)
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- Paulsson, Birgit (författare)
- Stockholms universitet,Avdelningen för miljökemi
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- Axmon, Anna (författare)
- Lund University,Lunds universitet,Avdelningen för arbets- och miljömedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Occupational and Environmental Medicine, Lund University,Department of Laboratory Medicine,Faculty of Medicine
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- Wirfält, Elisabet (författare)
- Lund University,Lunds universitet,Nutritionsepidemiologi,Forskargrupper vid Lunds universitet,Nutrition Epidemiology,Lund University Research Groups
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- Törnqvist, Margareta (författare)
- Stockholms universitet,Avdelningen för miljökemi
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(creator_code:org_t)
- Elsevier BV, 2012
- 2012
- Engelska.
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Ingår i: Food and Chemical Toxicology. - : Elsevier BV. - 0278-6915 .- 1873-6351. ; 50:7, s. 2531-2539
- Relaterad länk:
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- Measurement of haemoglobin (Hb) adducts from acrylamide (AA) and its metabolite glycidamide (GA) is a possibility to improve the exposure assessment in epidemiological studies of AA intake from food. This study aims to clarify the reliability of Hb-adduct measurement from individual single samples for exposure assessment of dietary AA intake. The intra-individual variations of AA- and GA-adduct levels measured in blood samples collected over 20 months from 13 non-smokers were up to 2-fold and 4-fold, respectively. The corresponding interindividual variations observed between 68 non-smokers, with large differences in AA intake, were 6-fold and 8-fold, respectively. The intra-individual variation of the GA-to-AA-adduct level ratio was up to 3-fold, compared to 11-fold between individuals (n = 68). From AA-adduct levels the average AA daily intake (n = 68) was calculated and compared to that estimated from dietary history methodology: 0.52 and 0.67 mu g/kg body weight and day, respectively. At an individual level the measures showed low association (Rs = 0.39). Conclusions: Dietary AA is the dominating source to measured AA-adduct levels and corresponding inter- and intra-individual variations in non-smokers. Measurements from single individual samples are useful for calculation of average M intake and its variation in a cohort, and for identification of individuals only from extreme intake groups.
Ämnesord
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Farmakologi och toxikologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Pharmacology and Toxicology (hsv//eng)
Nyckelord
- Acrylamide
- Dietary intake
- Glycidamide
- Dietary history methodology
- Individual variation
- Food frequency questionnaire
- Acrylamide
- Dietary intake
- Glycidamide
- Dietary history methodology
- Individual variation
- Food frequency questionnaire
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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