X CONTENTS 



Page 



III. Industrial Preparation 399 



Robert S. Harris 



IV. Biochemical Systems 400 



H. J. Almquist 



V. Estimation 402 



H. J. Almquist 



VI. Occurrence in Nature 415 



H. J. Almquist 

 VII. Effects of Deficiency 419 



A. In Animals 419 



H. J. Almquist 



B. In Human Beings 419 



Charles A. Owen, Jr. 



VIII. Pharmacology 435 



Charles A. Owen, Jr. 

 IX. Requirements 444 



A. Of Animals 444 



H. J. Almquist 



B. Of Human Beings 447 



Charles A. Owen, Jr. 



CHAPTER 10. NIACIN 



I. Nomenclature and Formulas 452 



Robert S. Harris 



II. Chemistry 452 



J. M. Hundley 



III. Industrial Preparation 478 



J. M. Hundley 



IV. Biochemical Systems 480 



J. M. Hundley 



V. Specificity of Action 517 



J. M. Hundley 



VI. Biogenesis 521 



J. M. Hundley 

 VII. Estimation 534 



A. Biological Assay 534 



J. M. Hundley 



B. Chemical Methods 534 



J. M. Hundley 



C. Microbiological Methods 538 



E. E. Snell 



VIII. Standardization of Activity 540 



J. M. Hundley 



IX. Occurrence 541 



J. M. Hundley 

 X. Effects of Deficiency 550 



A. In Microorganisms 550 



E. E. Snell 



B . In Man and Animals 551 



J. M. Hundley 



