INDEX 



461 



Milk production : 



effect of iodinated casein on. 200 



effect of lactogenic hormone on, 

 205 

 Milk secretion, stimulation by oxytocin, 



304 

 Millie(]uivalent. definition, 164 

 Millimole, definition, 1(54 

 Jlillins of grains, loss of thiamine during, 



231, 232 

 IVIillon test. 142 

 Mineral elements : 



abnormal distribution, 180 



absorption of, by plants, 400 



availability of various forms, lOG 



excretion of, 107 



general biological functions, 181 



in various organic compounds, 170 



loss from foods on cooking, 107 



loss on ashing, 177, 178 



major, 176 



minor, 176 



needed by animals, 176 



needed by plants, 176 



occurrence, 3 78, 179 



testing for, 178 

 Minerals : 



in animal body, 178 



in foodstuffs, 178 

 ^Miscarriage, prevention by progesterone, 



204 

 Mitochondria, from plant tissue, 405 

 ]Moisture content of foods, table, 434 

 Molar solutions, 163, 164 

 Molarity of solutions, 163-165 

 IMold spoilage, 376 

 ]Mole, definition, 163 

 Molybdenum, needed by plants, 104 

 Molybdenum toxicity, 194 

 Monosaccharides, 20, 22 



absorption, 320 



cyclic and open chain forms, 24 

 Montanic acid in waxes, 93 

 Montanvl alcohol, 93 

 Mottled teeth, 193 

 Mucic acid, 33 



crystals of, 47 

 Mucilages, 66 

 Mucin, 311 

 Mucoitin sulfate, 67 

 Mucous cells, 312 

 Muscle contraction, 415-416 



stimulation of smooth, by oxytocin, 

 304 

 Muscle dystrophy, 217 

 Muscular activities : 



energy expenditures for, 427 



relation to composition of muscle, 

 418 

 Mustard oil, 28 

 Mutases, 266 

 Myogen, 108, 125 

 Mvokinase, 267 

 Myosin, 108, 126 

 INIyristic acid, 77 

 Myxedema, 209 



N 



Naphthalene acetic acid, as plant growth 



regulator, 407 

 Naphthoquinone derivatives, vitamin K 



activity of. 220 

 Naphthoresorcinol, test for uronic acids, 



39 

 Nerve impulse, transmission of, 280 

 Neuberg ester {see D-Fructose-6-phos- 



phate) 

 Neuritis, in thiamine deficiency, 228 

 Niacin (see Nicotinic acid) 



in foods, table, 447-448 

 Nicotinamide, 238 

 Nicotinamide riboside, 359 

 Nicotinic acid : 



biosynthesis from tryptophan, 347 



food sources, 239 



formula, 238 



human retpiirements, 239 



in foods, table. 448 



metabolic antagonist of, 256 



physiological function, 235, 236 



stability of, 238 

 Nieman-Picks disease, 100 

 Night blindness, 205 

 Ninhydrin test, 143 

 Nitrate fertilizers. 400 

 Nitrification, 14, 400 

 Nitrifying bacteria, 401 

 Nitrogen balance studies, 341 

 Nitrogen cycle in nature, 402, 403 

 Nitrogen deficiency, effect on plants, 409, 



410 

 Nitrogen fixation : 



by bacteria. 402. 403 



by leguminous plants, 402, 403 



by soil bacteria, 403, 404 



mechanism of. 404 

 Nitrogen metabolism, of plants, 400- 



402 

 Nitrogen requirements of microorganisms, 



358 

 Nitrogen trichloride as flour bleach, 257 

 Nitroglycerine, 76 



Nitrosococctis and nitrification, 401 

 Nitrosomo7ias and nitrification, 401 

 Nonsaponifiable matter, 81 

 Norepinephrine, 287, 288 

 Norleucine. formula. 116 

 Normal potential (Eo), definition of, 420 

 Normal solutions. 163. 164 

 Normality of solutions, 103-165 

 Nucleases, in digestion, 318 

 Nucleic acids : 



amount in nucleoproteins, 152, 153-160 



classes of. 153 



molecular weight of, 153, 157 



products on hydrolysis, 154 



structure of, 157 

 Nucleoproteins, 112. 150-160 



components of, 151, 152, 153 



importance, 150 



linkage between components, 151 



molecular weight, 153 



