3i6 



INDEX 



Oxy haemoglobin, 193, 221. 



Palmitic acid, 47, 58, 210. 

 Pancreas, 163. 



Pancreatic juice, digestion of carbohy- 

 drates by, 170. 



digestion of fats by, 180. 



digestion of proteins by, 175-176. 



enzymes in, 177. 



properties of, 177. 

 Paper, 126, 263, 264. 



parchment, 126, 128. 

 Paraffins, 10. 

 Pasteur, 32, 140. 

 Pectins, 125, 247. 

 Pectocellulose, 125, 264. 

 Pentane, 13, 15. 

 Pentosans, no, 247, 264, 272. 



determination of, 273. 

 Pentoses, 108, no. 

 Pepsin, 33, 140, 143, 145, 173. 



action of, 174. 

 Pepsinogen, 143, 173. 

 Peptones, 172, 173. 

 Peristaltic action, 176. 

 Petroleum, 6. 

 Phenylalanine, 86. 

 Phenylhydrazones, 45. 

 Phosphates, as plant food, 152. 

 Phospholipines, 282. 

 Phosphoproteins, 89. 

 Phosphorus, in plants and animals, 147. 

 Photosynthesis, 237-241. 



products of, 238, 241. 

 Physiological salt solution, 221. 

 Phytosterol, 280. 

 Phytosterol acetate, 281. 

 Plant physiology, 232-256. 

 Plants, agricultural, 261. 



building material in, 246. 



cell food of, 243, 251. 



end products of metabolism in, 286. 



energy food of, 251. 



inorganic food of, 152. 



physiological processes of, 158. 



reserve food in, 244. 



soil food of, 250. 



source of energy of, 237. 



storage of energy by, 236. 

 Plants and animals, compared, 157, 232. 



composition of, 146. 



differences between, 235. 



organic and inorganic constituents, 

 146. 



Plants and animals, (Continued) 

 similarity of, 232. 

 volatile and nonvolatile constituents, 



_ 147- 

 Polariscope, 70. 

 Polarized light, 70. 

 Polypeptide nucleus, 184, 202. 

 Polypeptides, 92, 172. 

 Polysaccharoses, 108, 120-128. 



hydrolysis of, 120, 164. 

 Portal vein, 183, 192. 



carbohydrates in, 192. 

 Potassium, as plant food, 152. 



in plants and animals, 147. 

 Potassium acid tartrate, 76. 

 Potassium antimonyl tartrate, 77. 

 Potassium palmitate, 60. 

 Potassium tartrate, 76. 

 Process butter, 217. 

 Production value, 299. 



for cattle, 301. 

 tables, 301, 302. 

 Prolamines, 89. 

 Proline, 284. 

 Proof spirit, 38, 82. 

 Propane, 13, 15. 



synthesis of, 14. 

 Propionic acid, 47. 

 PropyUodide, 15, 16. 

 Prosecretin, 176. 

 Proteases, 145. 

 Protein food, 203. 

 Protein requirement, 303. 

 Proteins, 23, 82, 87-97. 



absorption of, 184, 



analysis of, 90. 



blood, 203. 



body, 203. 



color reactions of, 95. 



composition of, 90, 155. 



conversion of, into carbohydrates, 206. 

 into fat, 207. 



chemical properties of, 90. 



determination of, 93. 



digestibility of, 290. 



digestion of, 1 71-179. 

 in intestine, 175. 

 products of, 178. 



experiments, 93. 



forms of, in plants, 283. 



fuel value of, 294. 



hydrolysis of, 91. 



in crops, 283, 285. 



in plants, 248, 249, 252, 283, 284. 



