Chromium in basic foods of the Spanish diet: seafood, cereals, vegetables, olive oils and dairy products.
In the present study, graphite furnace atomic absorption spectrometry (GFAAS) was used to determine the content of total chromium in some basic foods of the Spanish diet. The seafood samples, vegetables and olive oils were mineralized previously with HNO3 and V2O5. A procedure of slurries with Triton X-100 was applied to dairy products. The temperature-time program was optimized for every type of sample. An assessment of the analytical characteristics of the method verifies their reliability. The content of Cr ranged between 0.004 and 0.079 microg/g in seafood (fresh wt.), from 0.007 to 0.456 microg/g in cereals and vegetables (fresh wt.), between not detectable and 0.625 microg/g in dairy products and between not detectable and 0.040 microg/g in olive oils. The high consumption of these products conditions the fact that they should be significant sources of Cr in the diet.
Lendinez
E
E
Department of Nutrition and Bromatology, School of Pharmacy, Unitersity of Granada, Spain.
Lorenzo
M L
ML
Cabrera
C
C
López
M C
MC
D000818:Animals; D002857:Chromium / Q000032:analysis*; D003611:Dairy Products; D002523:Edible Grain / Q000737:chemistry; D004784:Environmental Monitoring; D004785:Environmental Pollutants / Q000032:analysis*; D005506:Food Contamination; D006801:Humans; D000069463:Olive Oil; D010938:Plant Oils / Q000737:chemistry; D017747:Seafood; D013030:Spain; D013054:Spectrophotometry, Atomic; D014675:Vegetables / Q000737:chemistry
D004785:Environmental Pollutants; D000069463:Olive Oil; D010938:Plant Oils; D002857:Chromium