Daphnetin, 81, 82. Daphnin, 81. Deaminases, 186, 190. Delphinidin, 85, 116. Delphinin, =85=. Derived proteins, 173, =175=, 177. Dextrin, 59, =61=. Dextrinase, 189. _d_-galactose, 33. _d_-glucose, 33. Dextrosans, 59. Dextrose (_see_ glucose). Dhurrin, =87=. Diastase (_see_ amylase). Diastase of secretion, =191=. Digitaligenin, 89. Digitalin, =89=. Digitogenin, 89. Digitonin, =89=, 90. Digito-saponin, 90. Digitoxigenin, 89. Digitoxin, =89=. Digitoxose, 89. Diglycerides, 131. Diose, 30. Dioxyacetone, 35. Dipeptides, 167. Disaccharides, 31, =48=. Dispersed phase, 203. Dispersion medium, 203. Dispersion phenomena, 203. Drying oils, 132. Dulcitol series, 36. Edestin, 170, 176. Egg-albumin, 165. Electrical phenomena of protoplasm, =233=. Electrolytes, 213, 227. Emulsoids, 206, 214. Emulsions, 206. Emulsin, 55, 77, 87, 184, 189. Enol, =44=, 56. Enzymes, 17, 18, 19, 20, 23, 26, 120, 121, =181=, 183, 194, 199, 224. Erepsin, 189. Erythro-dextrin, 61. Erythrophyllin, 107. Erythrose, 35. Essential elements, 4. Essential oils, 18, 146, =147=, 224. Esterases, 186, 189. Esters, 124, 125, 129. "Ether extract," 141. Etherial salts (_see_ esters). Ethersol, 205. Ethyl acetate, 125. Ethyl nitrate, 125. Excelsin, 176. Extracellular enzymes, 184. Fats, 18, 20, =129=, 224, 227. Fat-soluble A, =243=. Fatty acids, 132, 142. Fehling's solution, 39, =47=. Fermentability, =40=. Ferments (_see_ enzymes). Ferric salts, 11. Ferrous salts, 11. Fisetin, 118. Flavone, 82, 83, 102. Flavonol, 84. Food, =1=. Formaldehyde, =22=, 23, 25, 26, 27, 247. Frame-work material, 20, 67. Fraxetin, 82. Fraxin, =82=. Fructose, 23, 28, 32, 36, 38, 41, 44, 45, =47=, 57, 162. Fructosides, 41, 42. Fruit sugar (_see_ fructose). Fucose, 35. Fucoxanthin, 102, 112, 114.