278 



INDEX. 



Jaffe's test for indican, 201 



,, ,, skatoxyl, 204 



Jellies, their use in training diets, 83 



Kephir, preparation of from mare's milk, 



114 



Keratin, composition of, 86 

 Keratinose, 86 



Ketones, characteristics of the, 117 

 Kola-nuts, alkaloid principle of, 185 

 Kreatin, 143 



,, its relation to kreatinin, 144 

 ,, preparation of, 145 

 its relation to urea, 162 

 Kreatinin, 145 



,, preparation of, 147 

 ,, reactions of, 147 

 Kresol, 196 



,, reactions of, 197 

 Kresylsulphuric acid, 196 

 Kumys, preparation of from mare's milk, 



114 

 Kynurenic acid, 193 



Lactalbumin, 22 



Lactic acid series, the, 125 130 



Lactic (hydroxypropionic) acid, 125 



,, its presence in the body, 126 

 Lactic fermentation of dextrose, 105 

 Lactide, how formed, 129 

 Lactoprotein, 23 

 Lactose, preparation and reactions of, 



113 



,, lactic fermentation of, 114 

 ,, its incapability of assimilation, 



114 



Laevulose, synthesis of, 102 

 ,, chemistry of, 106 

 Lardacein, or amyloid substance, 10 

 ,, chemistry of, 47 



,, preparation of, 48 

 Laurie or laurostearic acid, 119 

 Lecithin, a constituent of egg-yolk, 25 

 preparation of, 134 

 ,, constitution of, 135 

 Lens, crystalline, globulin of the, 24 

 Leprosy, pigments occurring in, 257 

 Leucin, 148 



,, preparation of, 149 

 ,, a result of decomposition of 

 proteids, 39, 49, 78, 81, 84, 

 85, 86, 148 

 Leucomaines, 208 

 Leukopsin, 266 



Liebig's Extract of meat, 127, 179, 180 

 Light, its bleaching action on chloro- 



phanes, 263, 265 

 Lignin, 99 

 Ligroin, 156, note 

 Lipochrin in certain retinal epithelia, 



262, 264 



Lipochromes or luteins, 267 

 ' Lithates,' 166 

 * Lithic acid,' 166 



' Liquor pancreaticus,' its amylolytic 



power, 58 

 Liver, formation of glycogen in the, 58 



,, conversion of glycogen into sugar 

 in the, 98 



,, its work in the formation of urea, 

 164, 172 



,, ,, in the formation of bile- 



pigments, 251 

 Liver- sugar, its apparent identity with 



dextrose, 98 

 Lobster, chitin obtained from the exo- 



skeleton of, 87 



Lupins, xanthin found in, 176 

 Lutein, source of, 268 

 Luteins, the, 267 



Lymph, dextrose a constituent of, 102 

 ' Lysatin,' 50, 162 



Malt- seedlings, xanthin present in, 176 



Maltodextrin, 94 



Maltose, its conversion into dextrose, 



57, 58, 112 

 formation of, 111 

 Mantle of Tunicata, tunicin prepared 



from, 101 



Mantle-mucin of Helix pomatia, 78 

 Margaric acid, 119 



Marrow of bones, hemialbumin in, 42 

 Marsh-gas fermentation of cellulose, 100 

 Mate 1 , alkaloidal principle of, 185 

 Meissner, ' parapeptone ' of, 35 



,, his researches on the "products 



of digestion, 36, 37 

 Melanin, urinary-, 258 

 Melanins, probable differences of, 263 

 Melanogen, 258 

 Metalbumin, 13 

 Metapeptone, Meissner's, 36 

 Methaemoglobin, preparation of, 227 

 ,, spectroscopy of, 229 

 ,, its relation to oxyhasmoglobin, 230 

 Methyl-glycin, 141 

 Methyl-guanidinacetic acid, 143 

 Methyl-hydantoic acid, 141 

 Methyl-indol, 202 

 Methyl-phenol, 196 

 Micrococcus urese, 159 

 Micro-organisms, their appearance in 



urine, 69, 70, 158 

 ,, conversion of dextrose by 



means of, 105 



,, hydration of urea by, 158 



Milk, preparation of casein from, 19 

 clotting of, 22 



human, and of cows compared, 23 

 conversion of lactose into lactic 



acid in, 105 



varying amounts of lactose in, 113 

 alcoholic fermentation of, 114 

 Milk-sugar, 113 



Millon's reagent for proteids, 7, 76 

 Mucin, reactions of, 76 



chief sources of, 77 



