SUBJECT INDEX 



Pyrimidyl - 5 - methane - sulphonic acid, 

 4-amino-2-methyl-, 13, 34. 



, 4-hydroxy-2-methyl-, 13. 



Pyrithiamine, 123, 124, 126, 128. 

 Pyruvic acid, 51, 90, 93, 95, 102, 106, 



no. 197.1387. 391. 444. 445. 



625, 626, 627, 628. 



oxidase, 197. 



Pythiomorpha gonapodioides , 108, 123, 

 124. 



QUEBRACHITOL, 579. 



Quercitol, 579, 581. 



Quinic acid, 579. 



Quinine oxidase, 196, 528. 



Quinoline, 215, 216. 



— ■ -2-carboxylic acid, 292. 



— • -3-carboxylic acid, 292. 



— -8-sulphonic acid, 215. 



Quinoline derivatives, enzymic oxida- 

 tion of, 196. 



Quinolinic acid, 215, 251, 279, 288, 289, 

 290, 294. 



8-Quinolinol, 215. 



— , 5 : 7-dinitro-, 215. 



Quinone - chloroimide, 2:6- dichloro -, 

 310. 



Quinoxaline, 523. 



— -, 2-tetrahydroxybutyl-, 137. 



Rabbit meat, vitamin content of, 166, 



234- 

 Rabbits, effect of vitamin deficiency in, 



238. 

 Rachitogenic activity of oatmeal, 571. 

 Radiation sickness, 247, 324. 

 Radishes, vitamin content of, 164. 

 Raisins, vitamin content of, 43, 163, 



588. 

 Raspberries, vitamin content of, 43. 

 Rat dermatitis factor. See Pyridoxine. 

 Rat leprosy, 52. 



Rat pellagra, 132, 211, 296, 307, 317. 

 Rats, effect of vitamin deficiency in, 47, 

 168, 237, 318, 366, 424, 487-489, 

 551. 572, 589. 

 — , use in vitamin assays, 28, 156, 309. 

 — , vitamin requirements of, 82, 188, 



329. 377. 437. 507. 594. 608. 

 Red currants, vitamin content of, 43. 

 Reductone, 474. 

 Refection, 75, 184, 552. 

 Renal haemorrhages, 589. 

 Resins, ion-exchange, 11. 

 Respiration, 92, 625. 

 Retina, ribofiavine in, 200. 

 Rhiotin, 433. 

 Rhizobia, 405. 

 Rhizobium trifolii, 422, 433, 439, 449, 



450. 452. 



Rhizopterine, 473, 476, 478, 510. 

 Rhizopus nigricans, 386, 470. 



— suinus, 386, 577, 579. 

 Rhodoflavine, 198, 199. 

 Rhodopsin, 200. 

 Rhodotorula aurantiaca, 557. 



— rubra, 109. 

 D-Ribamine, 140. 

 Ribofiavine 



analogues of, 206-210. 



aneurine and, 49. 



animal and human requirements of, 



186-190. 

 antagonists of, 208. 

 cancer and, 171. 



chemical constitution of, 135-139. 

 discovery of, 132-134. 

 effect of deficiency in animals, 168- 



173- 



man, 173-177. 



effect on infected animals, 171. 



estimation of, 156-164. 



faecal excretion of, 180. 



function of, 190-203. 



human and animal requirements of, 



186-190. 

 in higher plants, 205. 

 in nutrition of micro-organisms, 203- 



205. 

 in pregnancy and lactation, 181. 

 intestinal synthesis of, 183-186. 

 isolation of, 134-135. 

 metabolism of, 177, 183. 

 microbiological production of, 148- 



154- 

 occurrence in foodstuffs, 164-168. 

 pharmacological action of, 190. 

 properties of, 154-156. 

 recovery from fermentation liquors, 



152. 

 requirements of insects, 205-206. 

 separation from aneurine, 11. 

 solubility of, 154. 

 stability of, 155. 

 synthesis of, 140-148. 

 urinary excretion of, 177. 

 Ribofiavine adenine dinucleotide, 192, 

 193. 194. 204, 208, 209. 



— mononucleotide, 191, 193. 



— nucleotides, estimation of, 161. 

 5-phosphoric acid, 191, 192, 193, 



204, 208, 209. 

 D-Ribonamide, 145. 

 — , tetrabut5rryl-, 145. 

 D-Ribonic acid, 143, 146. 



, tetraacetyl-, 145. 



, tetrabutyryl-, 145. 



D-Ribonolactone, 146. 

 D-Ribononitrile, tetraacetyl, 146. 

 Ribonuclease, 616. 



683 



