49U 



IxMDEX 



Leptothrix, 70 



— crassa, 74 



— ochracea, 79 

 250-Leucine, degradation, 280 



— toxicity to bacteria, 218 

 ^-Leucine, as energy source, 218 



— as growth factor, 106 



— degradation, 231, 280 



— in bios, 100 



— toxicity to bacteria, 217 

 Leucoflavoprotein as hydrogen car- 

 rier, 205 



Leuconostoc citrovorum, 319 



— dextranicum, 319, 348 



— mesenteroides, adaptive enzymes in, 



92 



dextran in, 346 



drug resistant strains, 153 



glj'oxalase in, 321 



growth factors for, 110, 112, 



119 

 Levan, 349 

 Levansucrase, 350 

 Linoleic acid, 369 

 Linolenic acid, 369 

 Lipase, nature of, 40 



— specificity, 51 



— synthesis by, 40 

 Lipocyan reaction, 386 

 Lipoids, 369 



— as antigens, 402 et seq. 



— content in bacteria, fungi and 



yeasts, 62 



— " firmly bound," 376 



— in complement, 436 



— of acid-fast bacteria, 372 d scq. 

 Lovibond comparator, 15 

 Luteic acid, 351 

 Luteoleersin, 396 



Lutein, 390 

 Luteose, 351 

 Lysine, 111 



— phenyhireidc as hapten, 416 

 Lysozyme, 157, 365 



— crystalline, 41 



— substrate of, 157 



Malic acid, 258, 284, 293, 300, 410 



detection, 467, 468 



Malonic acid, 284, 299 



Maltase, adsorption of, 45 



— specificity, 50 



— synthesis by, 40 

 Mannitol, 300, 303 et seq. 



— detection, 467 



— in micro-organisms, 62 

 Mannocarolose, 352 

 Mannonic acid, 285, 297 



Mannose in phosphatides, 375, 379, 

 380 



— in polysaccharides, 352, 353 

 Mapharsen, 127 



Marfanil, inhibition by ^j-aminu- 



benzoic acid, 138 

 Melanin pigments, 64, 386 

 Melezitose, 349, 350 

 Mellein, 307 



Meningococcus carbohydrates, 365 

 Mepacrine, 128 



Mercuric chloride as antiseptic, 136 

 Metabolic products, separation, 462 



et seq. 

 Metachromatic granules, nucleic acid 



of, 60 



staining, 56 



Methane bacteria, 75 



— production, 323 et seq. 

 Methanohacterium omelianski , oxida- 

 tion by, 76, 78 



Methanol reduction, 76 

 3Iethanomonas aliphatica, 75 



— aliphatica-liquefaciens, 75 



— methanica, 75 



Methionine, reversal of sulphonamide 



activity, 145 

 Methoxydihydroxytoluquinone, 179, 



388 

 Methyl anisate, 307 



— cinnamate, 307 



Methylene blue as hydrogen acceptor, 

 202 



technique, 193 



]\Iethylglyoxal, 208, 245, 272 



— conversion to lactic acid, 246 



— dismutation of, 273 



— hydrate, 250, 271 

 Methylheptanone, 278 

 Methyl mercaptan, 305 



— |j-methoxycinnamate, 307 

 6-Methyl salicylic acid, 289, 308 



