516 



Iodoacetamide, 391 

 Iodoacetic acid, 463 

 Iodosobenzoic acid, 463 

 Ionization, 454-457 

 Ionizing radiation, 433-435 

 /3-Ionone, 161-162 

 Iron, 38, 307-308, 313 



physiological effects of, 139, 172-173, 

 307-308, 336-337, 370 

 Isoamyl alcohol, 262 

 Isoamylamine, 273 



Isocitric acid, 138, 143, 145, 223, 225, 227 

 Isocitric dehydrogenase, 223, 226 

 Isocitritase, 226, 227 

 D-Isoleucine, 261 

 DL-Isoleucine, 257 

 L-Isoleucine, 270 

 Isomaltose, 102, 107 

 Isonicotinic hydrazide, 160 

 Isopropyl alcohol, 474 

 Itaconic acid, 134, 138, 144-145 

 Itatartaric acid, 134, 145 

 Itatartaric acid lactone, 145 



Javanicin, 168, 170, 475 

 Junipal, 181 



Keratin, 84, 251-252 



/3-Keto acid decarboxylases, 154 



a-Ketoadipic acid, 271 



^-Ketoadipic acid, 174 



a-Ketobutyric acid, 262 



2-Ketogluconic acid, 65, 132, 221 



a-Ketoglutaric acid, metabolism of, 138, 



223-225, 262, 266, 267, 377, 428 

 a-Ketoglutaric acid oxidase, 226 

 a-Ketoisocaproic acid, 270 

 a-Ketoisovaleric acid, 342 

 Ketones, a ,/3-unsaturated, 477-478 

 5-Keto-octadecanoic acid, dodecyl ester, 



47 

 6-Keto-octadecanoic acid, 47 

 Kojic acid, 178-179, 219 

 Kynurenic acid, 263 

 Kynurenine, 267, 338-339 

 Kynurenine transaminase, 267 



Laccase, 175-176 

 Lachrymators, 478 

 Lactase, 87-88, 108 



SUBJECT INDEX 



Lactic acid, biosynthesis of, 136, 215- 

 216, 228 

 formation of, 132, 136, 138, 185 

 utilization of, 68-73 

 Lactic dehydrogenase, 136, 230 

 Lactobacillus casei factor, 342-343 

 Lactobionic acid, 135 

 Lactose, metabolism of, 107, 108 



utilization of, 56, 67, 68-73, 74, 185 

 Lag phase, 6 

 Lecanoric acid, 169 

 Lecithins, 47, 153 

 D-Leucine, 261 

 DL-Leucine, 256, 257 

 L-Leucine, 259, 260, 262, 270 

 L-Leucyl-L-proline anhydride, 255 

 Levansucrase, 120 

 Levomycin, 254 

 Lichenase, 114, 119 

 Light, 160, 357-362, 427-428 

 Lignin, 41, 83, 90 

 Lignoceric acid, 48 

 Lignosulfonic acid, 84 

 Lime sulfur, 472-473 

 Linoleic acid, 47, 48 

 Linolenic acid, 48 

 Lipases, 152-153 

 Lipids, 82, 374 



metabolism of, 152-164 

 of cells, 35, 37, 41, 45-49, 392-393 

 see also Fats, Fatty acids, Phospholi- 

 pids 



Lipositol, 340 



Lipoxidase, 155 



Luminescence, 26-27 



Luteic acid, 43 



Lycomarasmin, 254-255, 266 



Lycopene, 158, 159, 161 



Lycoxanthin, 159 



Lyophilization, 4 



Lysergic acid, 279, 280 



a-D-Lysine, 261 



a-L-Lysine, 257, 259, 261-262, 271 



|3-Lysine, 266 



Lysozyme, 453 



Magnesium, of cells, 37, 38 

 physiological effects of, 19, 139, 306- 



307, 313, 316, 371 

 requirement for, 304, 306-307 



