624 PRACTICAL ORGANIC AND BIO-CHEMISTRY 



Epiguanine, 297. 

 Equilibrium metabolic, 534. 

 Erepsin, 395, 398, 409-410. 

 Ergot, 128, 269, 284. 

 Ergothioneine, 150. 

 Erythreose, 184, 185. 

 Erythritol, 173, 174. 

 Erythrodextrin, 207, 399. 

 Ertyhrophyllin, 521, 522. 

 Erythroporphyrin, 522. 

 Erythrosin, 336. 

 Esbach's method, protein, 369. 

 Essential oils, 312-318. 

 Esters, 71-75, 101, 102, 104, 129, 140, 175, 

 190, 198, 200, 201, 300, 310, 404. 



hydrolysis, 74-75. 



identification, 73. 

 Estimation of acetaldehyde, 85. 



aceto-acetic acid, 122, 593-596. 



acetone, 91. 



acidity (gastric contents), 428. 



(urine), 550. 



adrenaline, 272. 



albumin (milk), 576. 



alcohol (wine, etc.), 67. 



allantome (urine), 553. 



amino acids, 145-149. 



(tissues), 577-578. 



(urine), 552. 



ammonia (blood and tissues), 580, 



5.83. 



(urine), 551, 560. 



bile salts, 430. 



blood gases, 510-515. 



calcium, 546. 



cane sugar, 235, 585, 586. 



carbohydrates, 216-236, 585-590. 



carbon, 31-33. 



caseinogen, milk, 576. 



catalases, 426. 



chloral, 87. 



chlorides (urine), 540. 



chloroform, 61. 



cholesterol, 603-604. 



creatine, 168, 555, 562. 



(blood and tissues), 581, 582, 583. 



creatinine, 172, 555, 562. 



(blood and tissues), 581, 582, 583. 



diastase, 416-418. 



disaccharides, 235-236. 



emulsin, 419. 



enzyme action, 416-426. 



fat, 178, 601-602. 



formaldehyde, 85. 



fructose, 220, 224, 586. 



galactose, 220, 224. 



glucose, 220, 221-224, 22 5 226 22 7 



228, 230, 231, 232, 585, 586. 



blood, 588-589. 



glycogen, 585. 



haemoglobin, 486-489. 



hydrogen, 31-33. 



hydroxybutyric acid, 597-600. 



inorganic constituents, tissues, 573- 



. 574- 



invertase, 419. 



iodine, tissues, 574. 



iron, 547-548. 



Estimation of lactase, 419. 



lactic acid, 112, 590-592. 



lactose, 236. 



hpase, 420. 



magnesium, 546. 



maltase, 419. 



maltose, 236, 586. 



mannose, 220, 224. 



monosaccharides, 220, 221-234. 



nitrogen, 34-38. 



nitrogenous extractives (blood and 



tissues, 577-584- 



constituents (urine), 552, 558. 



oxalic acid, 109. 



oxidases, 426. 



oxygen capacity and content, blood, 



498-509. 



pepsin, 421-423. 



peroxidases, 426. 



phosphates (urine), 544-545. 



phosphorus, 40, 545. 



tissues, 573. 



polysaccharides, 236. 



potassium, 548-550. 



proteins, 38, 369, 575-576. 



proteoclastic enzymes, 421-425. 



purine bases (tissues), 584. 



sodium, 548. 



starch, 585, 587. 



sulphates (urine), 541-543. 



(tissues), 573. 



trypsin, 424-425. 



urea, 134-136. 



(blood and tissues), 580, 583. 



(urine), 55 2 "553, 560. 



uric acid, 292. 



(blood and tissues), 580, 584. 



(urine), 554, 561. 



zymase, 419. 



Ethane, 49, 56. 



tetrabromide, 56. 

 Ethanol, 63. 

 Ethene, 54. 



Ether, see Ethyl ether. 



Ethers, 76-77, 102. 



Ethine, 54. 



Ethoxide, sodium, 66. 



Ethyl acetate, 67, 72, 74, 97. *3' 



alcohol, 10, 18, 22, 64-67, 96, 163, 193, 



391. 395- 



benzene, 252. 



benzoate, 73, 75, 257. 



bromide, 58. 



carbonate, 164. 



chloride, 66. 



disulphide, 78. 



- ether, 13, 22, 25, 76-77. 



formate, 73, 95. 



mercaptan, 78. 



oxalate, 75, 130. 



oxalic acid, 73. 



sulphates, 71, 74. 



sulphide, 78, 79. 



sulphuric acid, 71, 73, 74. 

 Ethylene, 54, 56, 58. 



diamine, 125. 



dibromide, 55, 57, 58, 173. 



glycol, 55. 



