766 



SUBJECT INDEX 



absorption of, 400 

 biochemical systems, 400-402 

 chemical and physical properties, 390- 



393 

 chemistry, 389-399 

 comparative potencies of, 410-413, 



424, 446, 447 

 consitution, 393-395 

 dosages, 435-436 

 effect of deficiency, 



in animals, 419 



in humans, 419-435 

 effect of route of administration, 405- 



406 

 effect on bacteria, 417 

 estimation of, 



biological, 402-413 



chemical and physical, 413-414 



sources of error, 403 

 estrogens and, 440 

 forms used therapeutically, 435 

 industrial preparation of, 399-400 

 isolation of, 389-390 

 miscellaneous effects, 440-441 

 mode of action, 437-442 

 mode of administration, 436-437 

 natural antagonists of, 418 

 nomenclature and formulas, 388 

 occurrence of, 415-418 

 pharmacology of, 435-444 

 requirements, 



chick, 444-446 



dog, 447 



human, 447-448 



rat, 446-447 



specificity of, 396-399 



standards of potency, 409-410 



synthesis of, 395 



toxicity of, 442-444 



water soluble forms of, 400 

 Vitamin P, 



antivitamins K and, 432 



dicoumarol and, 439 

 Vitamin PP, see Niacin 



W 



Warburg's coferment, see Triphospho- 



pyridine nucleotide 

 Water metabolism, pantothenic acid and, 



693 



Xanthine oxidase, vitamin B12 and, 85 

 Xanthophyll, vitamin K and, 415 

 X-rays, 



choline oxidase and, 39 



in vitamin D estimation, 220 



Yeast, in inositol assay, 362 



Yeast filtrate factor, see Pantothenic 



acid 

 Yellow fever, 

 choline and, 103 



Zinc, deficiency, 655 

 Zwischenferment, coenzyme of, 482 



