314 



INDEX 



Isopropyl iodide, i6. 



Jute, 262. 



Karo corn sirup, 34. 123. 



Katabolism, 190. 



Kellner, 299. 



Kinase, 143. 



Kjeldahl method, 90, 215. 



calculations of, 95. 



Gunning modification of, 94. 



reactions of, 94. 



Lactalbumin, 211, 212. 

 Lactase, 145, 171. 

 Lactic acid, 68, 210. 



dextro, 69, 74. 



experiments, 80. 



from milk sugar, 119. 



from sour milk, 79, 119. 



inactive, 73. 



levo, 74. 



sarco, 74, 223. 



space formula of, 72. 

 Lactic acid bacteria, 73, 74, 210. 

 Lactic acid fermentation, 69. 

 Lactide, 74. 

 Lactoglobulin, 211. 

 Lactometer, 215. 

 Lactose, 115, 119, 209. 



action on Fehling's solution, 119. 



fermentation of, 119. 



optical activity of, 119. 

 Laurie acid, 74, 210. 

 Le Bel, 71, 78. 

 Lecithin, 220, 223, 280, 282. 



amount in plants and animals, 282. 



physiological function of, 283. 

 Lemons, 80. 

 Leucine, 86. 

 Leucocytes, 220, 222. 



number of, 222. 

 Levo rotatory, 70. 

 Levulosans, 271. 

 Levulose, in, 113. 

 Liebig, 32. 

 Lignin, 125, 247. 

 Lignocellulose, 125, 264. 

 Limes, 80. 

 Lime-nitrogen, 24. 

 Linen, 125, 262. 

 Linolenic acid, 61. 

 Linolic acid, 61, 134. 

 Lipases, 145, 180. 



Liver, 121, 192. 

 Lock and key theory, 143. 

 Lymph, 219. 

 Lymphatic system, 198. 

 Lysine, 82. 



Magistesium, as plant food, 152. 



citric acid salt of, 56. 



in plants and animals, 147. 

 Maintenance ration, 298. 

 Maintenance requirement, 298, 299. 

 MaUc acid, 75. 



experiment, 80. 

 Malt, 118, 120. 



Maltase, 35, 120, 123, 145, 165, 171, 244. 

 Maltose, 35, 115, 118, 167, 275. 



action on FehUng's solution, 118. 



f ermentati on of , 118. 



in plants, 275. 



optical activity of, 118. 

 Malt sugar, 115, 118. 



action on Fehling's solution, 118. 



fermentation of, 118. 



optical activity of, 118. 

 Man, energy requirement for, 300. 

 Mannans, 264, 271, 272. 

 Mannitol, 41. 

 Manure, 152. 

 Marsh gas, 7. 

 Mastication, 161. 

 Mercerized cotton, 127. 

 MetaboUsm, 160, 190-208. 



direct, 191. 



end products of, in plants, 286. 

 MetaboUzable energy, of foods, 295. 

 table, 301. 



of carbohydrates, 298. 



of fats, 298. 



of proteins, 298. 

 Methane, 7, 13, 15. 



constitution of, 6, 8. 



experiments, 9. 



occurrence of, 7. 



properties of, 8. 

 Methane series, table, 13. 

 Methyl alcohol, 26, 27, 29. 



experiments, 30. 



from beet sugar residues, 29. 



from wood, 29. 



properties of, 30. 



source of, 29. 



use of, 30. 

 Methyl amine, 12, 22, 

 Methyl ammonium chloride, 23. 



