INDEX 



173 



Serine, amount in proteins, 111-130. 



, characterisation, 53-54. 



, constitution, 3. 



, ester, 42, 52. 



, isolation, 53-54. 



, loss during analysis, 68, 69. 

 Serum-albumin, i, 7, 73, 108, 109. 



, composition, 113. 



, N distribution, 108, 131, 132. 

 Serum-globulin, i, 73, 108, 109. 



, composition, 83, 114. 



, N distribution, 108, 131, 132. 



, proteins, 108. 



, , N distribution, 133. 

 Silk, 77-79. 



, composition, 122, 123. 

 Silk-fibroin, i, 63, 77. 



, composition, 121, 122. 



, N distribution, 131. 



, tyrosine, 23. 

 Silk-gelatin, i, 77, 79. 



, composition, 123. 



, N distribution, 131. 

 Snake scales, 80. 



, composition, 125. 



, N distribution, 131. 



Sorensen's titration method with formalin, 



12-14. 



Soy beans, N distribution, 134. 

 Spiders' silk-fibroin, 63. 



, composition, 122. 

 Spinal cord, composition, 128. 

 Spongin, 69, 79. 



, composition, 124. 

 Squash seed globulin, composition, 115. 

 , cystine isolation, 25. 



1 N distribution, 131. 



, tryptophan, 31. 



, tyrosine, 20, 23. 



Sturine, i, 70, 71. 



, composition, in. 

 Sulphur in hydrolysis, 65. 

 Sunflower seed, N distribution, 134. 

 Synthesis, 8. 

 Syntonin, 82. 



, composition, 130. 



TANKAGE, N distribution, 134. 

 Tetrapeptide, 2. 

 Thymus-histone, i, 72. 



, composition, 112. 

 Thynnine, composition, in. 

 Tissues, 109. 



, N distribution, 133. 

 Tortoise carapace, 77, 80. 



, composition, 125. 



, N distribution, 131. 



Total nitrogen, 4. 



, analytical data, 131. 



Trimethyl-alanine, 69. 

 Trimethyl-leucine, 69. 

 Trimethyl-phenylalanine, 69. 

 Trimethyl-valine, 69. 



Tryptophan, 6, 15, 21, 22, 23, 7 1 , 75, 79, 8 5 

 86. 



, amount in proteins, 111-130. 



Tryptophan, bromination, 22, 28, 32. 



constitution, 4. 



estimation, 27-32. 



in humin formation, 65. 



isolation, 27. 



loss during analysis, 68, 69. 



nitrogen, 85. 



separation from cystine, 27. 

 tyrosine, 27. 



Tubercle bacilli, 81. 



, composition, 127. 



Tumours, 81, 109. 

 , composition, 129. 

 , N distribution, 133. 

 Tyroleucine, 7. 



Tyrosine, 6, 8, 15, 24, 27, 28, 32, 35, 39, 61, 

 7i 73, 75, 76, 77, 78, 79, 80, 82, 83, 

 85, 86, 89. 

 amount in proteins, 111-130. 



, by bromination method, 23. 



, colorimetric method, 20. 



constitution, 3. 



ester, 26, 38. 



estimation, bromination method, 22-23. 



, colorimetric method, 20-21. 



, gravimetric method, 17-18. 



in humin formation, 65. 



isolation, 17-19. 



loss during analysis, 68. 



separation from cystine, 25-26. 



leucine, 18. 



URAMIDO groups, 64. 



Urea, 94. 



Urine protein, composition, 128. 



VALERIANIC acid, 5. 

 Valine, 18, 71, 75, 85. 



amount in proteins, 111-130. 



characterisation, 46. 



constitution, 2. 



ester, 42, 43. 



isolation, 44, 45-46, 48-50. 



loss during analysis, 68, 69. 



phosphotungstate, 48. 



separation from alanine, 48-50. 



leucine and isoleucine, 45-46. 



Van Slyke's amino nitrogen method, 12, 44, 

 64,89-96. , 



, N distribution method, 85, 97-108. 

 Various proteins, 81-82. 



, composition, 127-130. 



Vegetable albumins, i, 74. 



, composition, 118. 



, N distribution, 131. 



globulins, i, 74-75, 8i. 



, composition, 115-117. 



, N distribution, 131. 



, tyrosine, 20, 23. 



- proteins, 33, 74775, 81. 



composition, 115-119. 



Vicilin, 74. 



, composition, 116. 



, N distribution, 131. 

 Vignin, 69, 74. 



, composition, 116. 



