ASSESSMENT OF THE RISK OF DEFICIENCY IN POPULATIONS AND OPTIONS FOR ITS CONTROL

Chapter 1: Overview of Zinc Nutrition S99 1.1 Biological functions of zinc S99 1.2 Tissue zinc distribution and reserves S99 1.3 Zinc metabolism S100 1.4 Importance of zinc for human health S101 1.5 Human zinc requirements S105 1.5.1 Adult men S106 1.5.2 Adult women S109 1.5.3 Children S110 1.5.4 Pregnancy S111 1.5.5 Lactation S112 1.6 Dietary sources of zinc and suggested revisions of Recommended Daily Intakes S112 1.6.1 Dietary sources of zinc and factors affecting the proportion of zinc available for absorption ........ S112 1.6.2 Revised estimates of dietary requirements and recommended intakes for zinc S114 1.7 Zinc toxicity S118 1.8 Causes of zinc deficiency and groups at high risk S121 1.9 Summary S123