SUBJECT INDEX 



567 



Polyneuritis (continued) 



428, 443, 449, 452, 463, 467, 471, 

 478, 482-485, 491, 502 

 special basal diet for study of, 98 

 See also Beriberi; Vitamin B 

 Polysiphonia, 251 



Pork, 87, 139, 270, 402, 422, 507, 529 

 Potassium, 407, 479 

 bisulfite, 185 

 chromate, 43 

 iodide, 43 



permanganate, 107, 306, 308 

 sulfate, 38 

 thiocyanate, 43 

 Potatoes, 53, 92, 93, 148, 153, 192, 195, 

 269, 328, 363, 400, 430, 432, 449, 

 453, 486 

 sweet, 328, 363 

 Poultry, 270, 271, 359, 368, 379, 413, 

 422, 423, 430, 461, 462, 467, 471, 

 472 

 fat, 271 

 P-P factor. See Vitamin G 

 Prairie dog, 452 



Precautions against interfering factors 

 in vitamin work, 129-131. See 

 also determination and measure- 

 ment under each Vitamin 

 Precipitins, 524 



Precursor, 250, 305, 306. See also 

 Vitamin A ; Carotene ; Vitamin 

 D 

 Preen gland, 426 



Pregnancy, 75, 405. See also Repro- 

 duction; also under each Vita- 

 min 

 Preparation of alcohol extract of wheat 

 as source of vitamin B in vita- 

 min G experiments, 133 

 "Primary" form or source of vitamin 



A, 250 

 Production of antirachitic potency in 

 foods, 332-335 

 of vitamin D by irradiation, 300- 

 303 

 Prophylaxis, 283. See also Infection; 

 also under each Vitamin as re- 

 lated to health 

 "Protective foods," 271 

 Protein-free milk, 19, 25, 50, 51, 54, 



108, 109, 222, 224 

 Protein metabolism, 80, 81, 83, 122, 383 

 398, 403, 412, 453, 454, 472, 473, 

 474, 485 

 relation to vitamin need, 25, 80, 81, 

 83, 398, 474 

 Protocols in experimental scurvy, 174 

 Provitamin D, 307, 439 

 Prunes, 94, 183, 269, 399 



pits, 399 

 Pseudo base, 34 

 cures, 50 



Puffer fish, liver oil, 330 



oil, 419 

 Pulp, 163 



Pulses, 155, 192, 480 

 Pumpkin, 205, 268, 464 

 Puppies, 366 

 Pure compounds, mixtures of, as food, 



221-224 

 Purine, 30, 32, 35, 58, 68, 284, 397 



"fraction," 30 

 Pyorrhea, 162, 168 

 Pyrimidine, 16, 26, 44, 50, 397 

 Pyridine, 33, 36 

 Pyrogallol, 239 

 Pyrophosphate, 128 



Quantitative. See determination, dis- 

 tribution, measurement, occur- 

 rence, values, under each Vitamin 



Quinine, 64 



Quinoline, 50, 407 



Quinolinic acid, 33 



Rabbits, 157, 250, 286, 393, 404, 460, 



465, 469, 474, 475 

 Rachitic rosary, 162 

 Radiations. See Irradiation 

 Radishes, 194, 269, 464 

 Raisin seed oil, 385 



seeds, 385 

 Raisins, 269, 385 

 Rapeseed oil, 270 

 Raspberry, 149, 189 

 Ratfish-liver oil, 470 

 Reactions to vitamin deficiency, 85. See 



also Symptoms; also under each 



Vitamin 

 Reader factor, 130, 147 

 Rearing of young, 259, 260, 287. See 



also Reproduction; also under 



each Vitamin, relation to health 



or to nutrition 

 Refection, 84, 103, 396, 440, 461 

 Relation of vitamin A to nutrition and 



health, 273-292 

 of other Vitamins. See under each 

 of plant pigments to vitamin A, 243- 



250. See also Carotene; Caro- 



tinoids; Vitamin A 

 Reproduction, 75, 82-84, 145-146, 287- 



292, 336, 354, 363, 368, 391, 405, 



406, 417, 423, 424, 437, 456, 462, 



469, 476, 477, 482, 503, 511, 512, 



514, 518, 530. See also under 



each Vitamin 

 Reserves of vitamins in body. See 



under each Vitamin, storage in 



body 

 Resistance, 504, 520. See also Health, 



Infection, Vigor 

 Resorption, 339 



