Mineral substances (1. LF UK, NT)


 * organogenic elements C, O, H, N, P, S
 * minerals: P, S, others (ash elements)
 * gross content: ash (0.5-3% by weight)

Fe

 * heme enzymes: cytochromes, catalase, peroxidases
 * non-heme enzymes: succinate dehydrogenase, xanthine oxidase, flavin oxidoreductase, aconitase
 * transport proteins: haemoglobin (erythrocytes), myoglobin (muscles) O2, transferrin (plasma) Fe
 * storage proteins: ferritin, hemosiderin (spleen, liver, bone marrow)
 * complexes with other compounds
 * [[File:complexes-Fe.jpg]]
 * covalent compounds
 * [[File:kovalenty-Fe.jpg]]

{{{details| iron}}

Biochemical functions of essential elements
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Daily Mineral Doses in Nutrition
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Occurrence and significant sources of minerals
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Mineral Utilization
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Minerals as contaminants

 * permissible levels in food
 * hygiene limits
 * Natural sources of contamination
 * rock ventilation
 * fires
 * volcanic activity
 * floods
 * Anthropogenic sources of contamination
 * burning fossil fuels
 * transport
 * industry (mainly metal production)
 * agriculture (fertilizers etc. chemicals)
 * waste

Toxic mineral anions
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