CONTENTS. 



Page. 



Introduction ' 



Methods of sampling and analysis ^ 



Description of samples of food materials - 10 



Composition of samples of food materials 12 



Composition of feces and urine obtained in digestion experiments 17 



Experimental methods 1" 



Details of the digestion experiments with bread from different grades of hard 



spring wheat flour ^^ 



Digestion experiment No. 242 21 



Digestion experiment No. 243 22 



Digestion experiment No. 244 23 



Digestion experiment No. 245 23 



Digestion experiment No. 246 24 



Digestion experiment No. 247 25 



Digestion experiment No. 248 - 26 



Digestion experiment No. 249 26 



Digestion experiment No. 250 — 27 



Summary of results obtained with hard spring wheat products 28 



Details of the digestion experiments with bread from different grades of soft 



winter wheat flour 32 



Digestion experiment No. 309 32 



Digestion experiment No. 310 33 



Digestion experiment No. 311 34 



Digestion experiment No. 312 35 



Digestion experiment No. 313 35 



Digestion experiment No. 314 36 



Digestion experiment No. 315 37 



Digestion experiment No. 316 38 



Digestion experiment No. 317 38 



Digestion experiment No. 318 39 



Digestion experiment No. 319 40 



Digestion experiment No. 320 41 



Digestion experiment No. 321 41 



Digestion experiment No. 322 42 



Digestion experiment No. 323 - 43 



Summary of results obtained with soft winter wheat products 44 



General summary of results and conclusions 50 



5 



