INDEX 



411 



Prosthetic group, 324. 



Protamines, 331, 340. 



Proteaceae, 173, 181. 



Protease, 348, 372, 373, 375, 385. 



Protective power, 291. 



Protein, animal and vegetable, 337 ; 

 classification, 331; colloidal proper- 

 ties, 312, 317; composition, 327, 328 ; 

 crystals, 310; decomposition pro- 

 ducts, 322 ; estimation, 325, 326, 

 327; extraction, 339; grains, 310; 

 hydrolysis, 322, 326 ; microchemistry, 

 317; occurrence, 310; optical activ- 

 ity* 3 I 3 5 origin of fats from, 43; 

 properties, 311; purification, 341; 

 reactions, 316 ; synthesis in plant, 342. 



Proteins and cold, 314. 



Proteoses, 336, 340. 



Protoalkaloids, 272. 



Protocatechuic acid, 200, 202. 



Protoplasm, enzyme action, 369, 375. 



Prulaurasin, 169, 180. 



Prunase, 179, 180. 



Prunasin, 169. 



Prunus laurocerasus, 173, 174, J-77 180. 

 - padus, 173, 179, 180. 



Prussic acid, see Hydrocyanic acid. 



Pseudo-cellulose, 149. 



Pseudo-chloroplasts, 225. 



Pseudo-nuclein, 334. 



Pseudo-tannin, 192, 207. 



Psilotum, 36. 



Pterocarpus, 200. 



saxatilis, 144. 

 Ptomaines, 273. 

 Pulvini, 194, 217. 

 Pumpkin, 330. 



oil, 21. 



Punica granatum, 266? 



Purpurogallin number, 396. 



Purine, 276. 



Putrescine, 274. 



Pyridine, 262, 264. 



Pyrocatechol = Pyrocatechin, 199, 200. 



Pyrocatechol tannins, 208. 



Pyrogallol, 200, 203. 



tannins, 207, 210. 

 Pyrone, 246. 

 Pyroxylin, 161. 

 Pyrrole, 271. 

 Pyrrolidine, 265, 272. 



carboxylic acid = Proline. 

 Pyrroline, 272. 

 Pyrrophyllin, 230, 231. 

 Pyrroporphyrin, 231. 

 Pyrus, 50, 193. 



Amygdalus, 178. 



Aucuparia, 78, 178, 233, 275, 387. 



cydonia, 178. 



Mains, 178, 244, 386. 

 Pyruvic acid, 383. 



aldehyde, 384. 



QUEBRACHO, 201, 208. 

 colorada, 244. 

 Quercetin, 167, 203, 243, 250. 

 Quercitannic acid, 215. 

 Quercus, 193, 194. 



Cerris, 195. 



coccinea, 194, 195. 



Ilex, 1-94. 



infectpna, 210. 



lusitanica, 194. 



pcdunculata, 194, 195. 



Prinus, 196. 



sessiliflora, 194, 195. 

 tinctoria, 167, 243. 



Quillaia, 182. 

 Quince mucilage, 157. 



oil, 20. 



Quinine, 266, 280 ; preparation" from 



cinchona bark, 270. 

 Quinoline, 263. 



alkaloids, 266. 

 Quinovin, 73. 

 Quinovite, 73. 

 Quinovose, 64, 73. 



RADISH-SEED oil, 21. 



Radium emanation on enzymes, 353. 



Raffinose, 64 ; occurrence, 87, 88. 



Ranales, 173. 



Rancidity of fats, 19. 



Ranunculaceae, 173, 181, 263, 398. 



Ranunculus bulbosus, 300. 



Rape-seed oil, 4, 21, 24. 



Ratanhia, 207. 



Reductase, 260. 



Reichert, Meissl value determination, 



34 ; table, 34. 

 Rennin, 351, 357. 

 Reseda luteola, 244. 

 Reserve cellulose, 137; occurrence, 



149. 



Resin, 195, 217. 

 Resinification, 20. 

 Resorcinol, 199, 201. 

 Respiration, 52, 240, 259, 387, 397. 

 Reversible changes of colloids, 295. 



reaction, 365. 

 Reversion, 116. 

 Rhamnaceae, 181. 

 Rhamnetin, 244. 

 Rhamnose, 64, 72, 184. 

 Rhamnus cathartica, 244. 



infectoria, 348. 



tinctoria, 244. 

 Rheum, 253. 

 Rhinanthin, 170. 

 Rhizophora mangle, 194. 

 Rhododendron, 193. 

 Rhodophyllin, 230, 231. 

 Rhodoxanthoids, 239. 

 Rhus, 193, 392. 



coriaria, 194, 210. 



