TABLE OF CONTENTS 



1. Introduction 1 



2. Water 8 



3. Carbohydrates ■ 19 



4. LiPiDES (Fats and Related Substances) 71 



5. Proteins 103 



6. Nucleoproteins, Nucleic Acids and Related 



Substances 150 



7. Acidity 161 



8. Biochemically Important Mineral Elements 176 



9. Vitamins 200 



10. Enzymes 260 



11. Hormones 286 



12. Digestion 311 



13. Animal Metabolism 323 



14. Metabolism of Microorganisms 357 



15. Plant Metabolism 387 



16. Biological Energetics J^13 

 Appendix: Composition and Energy Value of Foods 433 

 Index 4^9 



67621 



IX 



