title: Comparison of calcium and magnesium contents in cruciferous vegetables grown in areas around steelworks, on organic farms, and those available in retail.
abstract: The aim of the present study was to compare calcium and magnesium contents in cruciferous vegetables grown under diversified ecological conditions for three consecutive years, independently of the climatic and agrotechnical conditions. The metal contents were determined using validated Atomic Absorption Spectrometry with atomization in the flame (FAAS method; spectrometer: AA240FS Varian). The dry mass of various vegetable species cultivated on organic farms contained, in most cases, significantly higher or similar calcium and magnesium amounts in comparison with those from farms located in the closest vicinity of steelworks and those purchased at local markets. Cruciferous vegetables from the two latter sources showed comparable contents of the essential minerals under study.
authors: Department of Human Nutrition, Agricultural University of Cracow, Cracow, Poland. joannakapustaduch@interia.pl
authors: Joanna
authors: J
authors: Kapusta-Duch
authors: Teresa
authors: T
authors: Leszczyńska
authors: Adam
authors: A
authors: Florkiewicz
authors: Agnieszka
authors: A
authors: Filipiak-Florkiewicz
mesh_terms: D019607:Brassicaceae / Q000737:chemistry*; D002118:Calcium / Q000032:analysis*; D003132:Commerce; D004032:Diet; D004463:Ecology; D004777:Environment; D058870:Food, Organic / Q000032:analysis*; D008274:Magnesium / Q000032:analysis*; D008669:Metallurgy; D018977:Micronutrients / Q000032:analysis; D058871:Organic Agriculture; D013054:Spectrophotometry, Atomic; D013232:Steel; D014675:Vegetables / Q000737:chemistry*
chemical_list: D018977:Micronutrients; D013232:Steel; D008274:Magnesium; D002118:Calcium