460 



INDEX 



Lignocerylsphingosine, 100 

 Limit dextrins. 58 

 Linoleic acid, 80, 82 

 Linseed oil as paint oil, 89 

 Lipases, 86, 263 

 Lipides : 



classes and hydrolysis products, 71, 73 



compound, 73 



definition, 71 



derived, 73 



essential, 97 



in plant seeds. 400 



metabolism of, 334-341 



simple, 73 

 Lipocaic, 303 

 Lipoic acid, 254, 274, 360 

 Lipoproteins, 112, 141 

 Lipothiamide, 274, 359 

 Lipothiamide pyrophosphate, 254, 255 

 Lipotropic action, 336 

 Lithocholic acid, 317 

 Liver, fatty, 253 

 Lohman reaction, 416. 417 

 Luteinizing hormone, 292 



properties of, 307 

 Luteotropic hormone, 293, 294 

 Lycopene, 205 

 Lysine : 



formula. 119 



bacterial decarboxylation, 321 

 Lysolecithin, 98, 263 

 Lysozyme, 263 

 Lyxose, 23 



M 



Macrocytic anemia, 248, 251 



Magnesium : 



content of in American dietary, 186 

 role in animal body, 185 



Magnesium content of foods, table, 439 



Magnesium deficiency, effect on tobacco 

 plants, 409 



Magnesium ions, enzymes activated by, 

 185 



Maleic hydrazide, as plant growth sub- 

 stances, 407 



Malic acid, 161, 331 



Malic acid formation, use of light energy 

 for, 394 



Malic acid oxidation, energy from, 421 



Malt sirup, 45 



Maltase, 263 



Maltosazone crystals, 47 



Maltose, 45 



structural formula, 46 



iso-Maltose, 21, 41 



Manganese content of foods, table, 442 



Manganese deficiency, effect on leaves, 190 



Manna, 33 



Mannans, 33, 64 



Mannitol, 33, 35 



Mannoheptulose, 21 



Mannosazone (see Glucosazone) 



Mannose, 33 



Mannose, metabolism of. 324, 326 



Mannose-6-phosphate, 326 



Mannosidostreptomycin. 365 

 Mannuronic acid, 38, 39, 65 

 Maternal instincts, relation of lactogenic 



hormone to, 305, 306 

 Melanin, 349, 350 

 Melezitose, 49 

 Melibiose, 21, 41 

 ^lelissic acid, in waxes, 93 

 Melissyl alcohol. 93 

 Menadione. 220 



Menstrual cycle, hormonal control of. 298 

 Menstruation, 292 

 Mental attitudes of animals, effect of 



hormones on, 305 

 INIercerized cloth, 61 

 Mesquite gum, 27 



arabinose from, 26 

 Metabolic rate of microorganisms, 361 

 Metabolism : 



antimetabolites in study of, 5 

 inborn errors of, 350 

 lipide, 334-341 

 methods of study, 4 

 of amino acids. 341-354 

 of carbohydrates, 323 

 of protein. 341-354 

 of sugars, 324-330 

 use of isotopes in, 5 

 Metabolism of microorganisms, 357-386 

 aerobic, 364 

 anaerobic, 376 

 comparison of products, 362 

 intermediary, 380 

 Methane, bacterial formation of, 377. 384 

 Methane in colon, 321 

 Methanohacierium omelianskii, 377 

 Methemoglobin, 138 

 Methene bridges, in chlorophyll molecule, 



391 

 Methionine : 



conversion to cystine, 122 

 effect on fatty livers, 336 

 formula of, 117 

 in choline synthesis, 345 

 in creatine synthesis, 345, 348, 349 

 methylation and, 343-345 

 Methionine sulfoximine, 257 

 Methyl donors, 344 

 Methyl-a-D-glucoside, 40 

 Methylamine, 162 



Methylation. as a metabolic reaction, 343 

 Methvlcvtosine, 154 

 5-Methylfurfural, 38 

 Methylpentoses, 37 

 Methyltetronic acid, 375 

 Microbiological assay of riboflavin, 2.')4 

 Micrococcus pyogenes, 374 

 Micromole, definition, 164 

 Microorganisms : 



growth efficiency, 360 

 growth requirements of, 358 

 interrelations of animals, plants, and, 

 357 

 Milk : 



mineral deficiencies of, 188 

 vitamin D enriched, 214, 215 



