i88 THE CHEMICAL CONSTITUTION OF THE PROTEINS 



Tyrosine, synthesis by Erlenmeyer and 



Halsey, Lipp, 100. 

 Wheeler and Hofmann, 101. 



URINE protein, composition, 62. 



VALINE, 2, 8, 26, 47, 63, 87. 



characterisation, 28. 



configuration change, 144-145. 



discovery, 87. 



ester, 23, 43. 



isolation, 26, 27, 28. 



laevo-, 140. 



loss during analysis, 42. 



occurrence, 87. 



rotation, 149. 



separation from leucine and isoleucine, 



26, 27. 



alanine, 29. 



into optical isomers, 141. 



synthesis by Clark and Fittig, 87. 

 Lipp, 87. 



Walden inversion, 144-145. 



Van Slyke's amino nitrogen method, 41, 63, 



68-81. 



Vegetable albumins, 46. 

 composition, 57. 



globulins, 47. 



composition, 55, 56. 



proteins, 46-48. 



Vegetable albumins, composition, 53-57. 



distribution of N, 66. 



Vicilin, 46, 47. 



composition, 56. 



distribution of N, 66. 

 Vignin, 43, 47. 



composition, 56. 



distribution of N, 66. 

 Vitellin, i, 48. 



composition, 58. 



distribution of N, 66. 



WALDEN inversion, 143-147. 

 Whalebone, 50. 



composition, 61. 

 Wheat-gliadin, i, 47. 



composition, 57. 

 Wheat-gluten, composition, 57. 

 Wheat-glutenin, i, 48. 

 Witte's peptone, 52. 



composition, 55. 



XANTHINE, 129. 



YEASTS for separating amino acids, 140. 



ZEIN, i, 43, 47. 



composition, 57. 



distribution of N, 66. 



ABERDEEN: THE UNIVERSITY PRESS 



