SAMENVATTING
GEZONDHEIDSOPVOEDING
Inhoud
1. INLEIDING ...................................................................................................................................... 8
2. FUNCTIES ....................................................................................................................................... 8
A. CO-ENZYMFUNCTIE ................................................................................................................. 8
B. HORMOONFUNCTIE ................................................................................................................. 8
C. INVLOED OP HET IMMUUNSYSTEEM ................................................................................... 9
D. ANTIOXIDANT-EIGENSCHAPPEN ....................................................................................... 9
3. AANBEVOLEN HOEVEELHEID ................................................................................................... 10
4. IN VET OPLOSBARE VITAMINES: ADEK ................................................................................. 10
5. IN VET OPLOSBARE VITAMINE: A – RETINOL –PROVITAMINE A -CAROTENOÏDEN..... 10
5.1 Zicht bij nachtblindheid ......................................................................................................... 10
5.2 Vitamine A: voedingsbronnen ............................................................................................... 10
5.3 Invloed van bereiding op vit A ............................................................................................... 11
5.4 Behoefte aan vit A ................................................................................................................. 11
5.5 Vitamine A: tekort of overmaat .................................................................................................. 11
6. IN VET OPLOSBARE VITAMINE D3 – CHOLECALCIFEROL ................................................... 11
6.1 Vit D: bronnen ....................................................................................................................... 11
6.2 behoefte aan vit D ................................................................................................................. 12
6.3 Hypovitaminose D ................................................................................................................. 12
7. IN VET OPLOSBARE VITAMINE: E – D-Α-TOCOFEROL ........................................................ 12
7.1 Functie van Vit E .................................................................................................................... 12
7.2 Hypovitaminose E .................................................................................................................. 12
8. IN VET OPLOSBARE VITAMINE K – FYLOCHINON + FUNCTIES ......................................... 12
8.1 Behoefte aan vit K en invloed van bereidingen..................................................................... 13
8.2 Bronnen vit K ......................................................................................................................... 13
8.3 Hypovitaminose K .................................................................................................................. 13
IN WATER OPLOSBARE VITAMINES: C EN B-COMPLEX ............................................................. 13
9. VITAMINE B1 – THIAMINE ....................................................................................................... 13
9.1 Vitamine B1 eigenschappen .................................................................................................. 13
9.2 Vitamine B1 functies ............................................................................................................. 13
9.3 Hypovitaminose B1................................................................................................................ 14
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