Figure 26.1 Dietary reference intakes.

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Figure 26.1 Dietary reference intakes. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.2 Structures of vitamin A and related compounds. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.3 Vitamin A metabolism and function. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.4 Role of vitamin A in vision. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.5 Structures of vitamin D3 and related metabolites. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.6 Vitamin D and calcium homeostasis. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.7 The structures of tocopherols and tocotrienols. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.8 The structures of vitamin K1 (phytylmenaquinone) and K2 (multiprenylmenaquinone). Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.9 Function of vitamin K. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.10 Structure of thiamine. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.11 Summary of important reactions involving thiamin pyrophosphate. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.12 Structures of riboflavin, flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD). Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.13 Structures of niacin and related metabolites. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.14 Formation of NAD and NADP. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.15 Structures of vitamin B6. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.16 Structure of folic acid and N5-methyltetrahydrofolate. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.17 Metabolic roles of folic acid and vitamin B12 in one-carbon metabolism. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.18 Active center of tetrahydrofolate. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.19 Structure of vitamin B12 (cobalamine). Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.20 Structure of vitamin C (ascorbic acid). Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.21 Structure of choline. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.22 Structure of carnitine. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.23 Uptake and export of iron by the intestine. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.24 Transport of iron in the circulation. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.25 Cellular uptake of transferrin. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.26 Control of transferrin and apoferitin synthesis by iron responsive elements (IREs) and iron responsive proteins (IRPs) Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.27 Regulation of hepcidin synthesis by the liver. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.

Figure 26.28 Factors affecting individual nutritional status. Textbook of Biochemistry with Clinical Correlations, 7e edited by Thomas M. Devlin © 2011 John Wiley & Sons, Inc.