title: Daily dietary intake of chromium in southern Spain measured with duplicate diet sampling.
abstract: We measured daily dietary Cr intake in southern Spain by sampling duplicate diets for seven consecutive days in different population groups. Cr was determined by electrothermal atomization-atomic absorption spectrometry. The samples were mineralized in a digestion block with HNO(3), HClO(4) and V(2)O(5). A total of 161 duplicate diets from twenty-three subjects were analysed, and mean levels of Cr intake ranged from 9.39 to 205.16 microg/d. Mean Cr intake (100 microg/d) was similar to levels found for most other countries, and was within the range recommended by the National Research Council for a safe and adequate daily intake (50-200 microg/d). Chromium intake correlated significantly with energy, protein and carbohydrate intake, and with the daily intake of Zn, Fe, Mg, K, Na, Ca and nicotinic acid in the diets analysed.
authors.affiliation: Department of Nutrition and Bromatology, School of Pharmacy, University of Granada, E-18012 Granada, Spain.
authors.forename: E
authors.initials: E
authors.lastname: Garcia
authors.forename: C
authors.initials: C
authors.lastname: Cabrera
authors.forename: M L
authors.initials: ML
authors.lastname: Lorenzo
authors.forename: J
authors.initials: J
authors.lastname: Sánchez
authors.forename: M C
authors.initials: MC
authors.lastname: López
mesh_terms: D000328:Adult; D000368:Aged; D002857:Chromium / Q000008:administration & dosage*; D004032:Diet; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012016:Reference Values; D012680:Sensitivity and Specificity; D013030:Spain; D013054:Spectrophotometry, Atomic
chemical_list: D002857:Chromium