Introduction to Human Nutrition

186 Introduction to Human Nutrition Biofl avonoids The most studied fl avonoids are hesperitin and quer- citin. Because they are ...

The Vitamins 187 tissue uptake of inositol. There is some evidence that impaired nerve conduction velocity in diabetic neu- ropa ...

9 Minerals and Trace Elements JJ (Sean) Strain and Kevin D Cashman Key messages This chapter defi nes the essential minerals an ...

Minerals and Trace Elements 189 mendations but are highlighted in Figure 9.1, might prove to be essential for the optimum health ...

190 Introduction to Human Nutrition a tightly regulated range. This tight regulation of plasma calcium concentration is achieved ...

Minerals and Trace Elements 191 However, the effi ciency of intestinal calcium absorp- tion is infl uenced by a variety of physi ...

192 Introduction to Human Nutrition concentration to normal (Figure 9.2). At the kidney, PTH promotes the reabsorption of calciu ...

Minerals and Trace Elements 193 intake to BMD and BMC to establish the estimates of calcium intake requirements for pregnancy an ...

194 Introduction to Human Nutrition established very different recommendations for calcium intake (Table 9.3). Much of this dive ...

Minerals and Trace Elements 195 magnesium pool is thought to be exchangeable and thus may serve to maintain serum or soft-tissue ...

196 Introduction to Human Nutrition positive fi ndings may refl ect the lack of sensitive and reliable tools for assessing magne ...

Minerals and Trace Elements 197 estimated to meet the requirement of 50% of the individuals in a life-stage and sex group). This ...

198 Introduction to Human Nutrition phosphorus and hydroxyapatite mineral phosphorus are derived (Figure 9.4). This compartment ...

Minerals and Trace Elements 199 ● by phosphorylation, and hence activation of many catalytic proteins. As phosphorus is not irre ...

200 Introduction to Human Nutrition Assessing status, requirements and dietary sources Previously, dietary phosphorus recommenda ...

Minerals and Trace Elements 201 Angiotensin and aldosterone both act to conserve sodium by increasing sodium reabsorption by the ...

202 Introduction to Human Nutrition other studies indicate that heavy metals, such as lead and mercury, may also contribute to i ...

Minerals and Trace Elements 203 Absorption, transport, and tissue distribution Potassium is the major intracellular electrolyte ...

204 Introduction to Human Nutrition The concentration difference of potassium and sodium across cell membranes is maintained by ...

Minerals and Trace Elements 205 may have dietary intakes of potassium exceeding 6 g/day. Micronutrient interactions As might be ...