220 PYRIDOXINE AND RELATED COMPOUNDS 



Page 



4. Phenol Test with Folin-Denis Reagent 245 



5. Diazotized Sulfanilic Acid Test 246 



6. Diazotized p-Aminoacetophenone Test 246 



7. Diazotized jo-Nitroaniline Test 247 



8. Indophenol Test 247 



9. Cyanogen Bromide Tests 249 



C. Biological Methods 249 



1. Acrod.ynia Rat Test 250 



2. Rat Growth Test 251 



3. Chick Growth Test 252 



4. Rice Moth Larva Test 253 



D. Microbiological Methods 253 



VIII. Standardization of Activity 255 



IX. Occurrence in Food 255 



X. Effects of Deficiency 264 



A. In Plants 264 



B. In Animals 265 



1. Rats 265 



2. Mice 270 



3. Hamsters 271 



4. Dogs 272 



5. Pigs 273 



6. Monkeys ' .... 274 



7. Birds 275 



8. Other Animals 276 



C. In Microorganisms 276 



D. In Man 280 



XI. Pharmacology 290 



XII. Requirements and Factors Influencing Them 293 



A. Of Animals 293 



1. Rats 294 



2. Mice 295 



3. Hamsters . 296 



4. Dogs 296 



5. Pigs 296 



6. Monkeys 296 



7. Chicks 297 



8. Other Animals 298 



B. Of Man 298 



I. Nomenclature 



ROBERT S. HARRIS 



Accepted group name: Vitamin Be 



Accepted names: Pyridoxine,^ pyridoxal,'- pyridoxamine- 



1 P. Gyorgy and R. E. Eckhardt, Nalure 144, 512 (1939). 



2 E. E. Snell, B. M. Guirard, and R. J. Williams J. Biol. Chnii. 143, 519 (1942). 



