276 



INDEX. 



Jaffe's test for indican, 200 



,, ,, skatoxyl, 203 

 Jellies, their use in train ing 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, 143 



,, preparation of, 144 



,, its relation to urea, 162 

 Kreatinin, 145 



,, preparation of, 146 

 ,, reactions of, 146-147 

 Kresol, 195 



reactions of, 196 

 Kresylsulphuric acid, 195 

 Kumys, preparation of from mare's milk, 



114 

 Kynureuic acid, 192 



Lactalbumin, 23 

 Lactic acid series, the, 124-130 

 Lactic (hydroxypropionic) acid, 124 

 ,, its presence in the body, 125 

 Lactic fermentation of dextrose, 105 

 Lactide, how formed, 128 

 Lactoprotein, 24 



Lactose, preparation and reactions of, 113 

 ,, lactic fermentation of, 114 

 ,, its incapability of assimilation, 



114 

 Lsevulose, synthesis of, 101-102 



,, chemistry of, 106 

 Lardacein, or amyloid substance, 10 

 ,, chemistry of, 48 



,, preparation of, 49 



Laurie or laurostearic acid, 1 19 

 Lecithin, 133 



,, a constituent of egg-yolk, 26 

 ,, preparation of, 134 

 ,, constitution of, 135 

 Lens, crystalline, globulin of the, 25 

 Leprosy, pigments occurring in, 255 

 Leucin, 147 



preparation of, 148 

 ,, a result of decomposition of pro- 

 teids, 40, 50, 79, 81, 84, 85, 

 86, 147 



I/eucomaines, 207 

 Leukopsin, 264 



Liebig's Extract of meat, 127, 178, 179 

 Light, its bleaching action on chloro- 



phanes, 262, 264 

 Lignin, 99 

 Ligroin, 156, note 

 Lipochrin in certain retinal epithelia, 



260, 262 



Lipochromes or luteins, 265 

 ' Liquor pancreaticus,' its amylolytic 

 power, 58 



' Lithates,' 166 



'Lithic acid,' 166 



Liver, formation of glycogen in the, 59 



" conversion of glycogeii into sugar 

 in the, 98 



,, its work in the formation of urea, 

 163, 171 



,, ,, in the formation of bile- 



pigments, 249 

 Liver-sugar, its apparent identity with 



dextrose, 98 

 Lobster, chitin obtained from the exo- 



skeleton of, 87 



Lupins, xanthin found in, 175 

 Lutein, source of, 266 

 Luteins, the, 265 



Lymph, dextrose a constituent of, 102 

 ' Lysatin,' 51, 161 



Malt-seedlings, xanthin present in, 175 



Maltodextiiu, 94 



Maltose, its conversion into dextrose, 57, 



59, 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, 43 

 Marsh -gas fermentation of cellulose, 100 

 Mate, alkaloidal principle of, 184-185 

 Meissner, ' parapeptone ' of, 36 



,, his researches on the products 



of digestion, 37, 38 

 Melanin, urinary, 256 

 Melanins, probable differences of, 262 

 Melanogen, 256 

 Metalbumin, 14 

 Metapeptone, Meissner's, 37 

 Methffimoglobin, preparation of, 22G 

 ,, spectroscopy of, 227 

 ,, its relation to oxyhsemoglobin, 229 

 Methyl-glycin, 141 

 Methyl-guanidinacetic acid, 143 

 Methyl-hydantoic acid, 141 

 Methyl-indol, 201 

 Methylphenol, 196 

 Micrococcus urese, 158 

 Micro-organisms, their appearance in 



urine, 70, 71, 158 

 ,, conversion of dextrose by 



means of, 105 



,, hydration of urea by, 158 



Milk, preparation of casein from, 20 

 clotting of, 23 



human, and of cows compared, 24 

 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 



