242 INFLUENCE OF FOOD PRESERVATIVES ON HEALTH. 



the after period, extending from April 15 to 22, inclusive, the average 

 quantity of solids in the food is 547 grams, of which there were recov- 

 ered in the feces 24.5 grams and in the feces and urine 79.287 grams. 

 The percentage of solids eliminated in the feces is 4.5 and in the urine 

 10. The average daily balance is 467.713. The data indicate, as in 

 the preceding instances, a slight tendenc}^ on the part of the preserva- 

 tive to increase the quantity of solids in the feces, thus indicating a 

 slight tendency to restrict or limit the activity of the digestive 

 ferments. 



SERIES V. 



The individual data are given in full in the tables. Three different 

 summaries are given for this series. First, for three men, Nos. 1, 3, 

 and 5, who completed the entire series of observations; the second and 

 third for five and six men, respectively, who completed the greater part 

 but not all of the periods of observation. In the summary of the three 

 men for whom complete data are found, in the fore period, extending 

 from April 24 to May 1, the average daily quantity of solids in the 

 food is 605 grams, of which 26.6 appear in the feces and 85.27 in the 

 feces and urine; 4.4 per cent of the total solids in the food are elimin- 

 ated in the feces and 14. 1 per cent in the feces and urine. The aver- 

 age daily balance is 519.73 grams. The summaries for the various 

 subperiods are given separately. The discussion, however, will be 

 confined to the general summary, extending from May 2 to June 20, 

 inclusive. The average daily quantity of solids in the food during this 

 period is 635 grams, of which 29.8 grams are recovered in the feces 

 and 88.202 grams in the feces and urine. The percentage of total 

 solids eliminated in the feces during this period is 4.7 and in the feces 

 and urine 13.9. The average daily balance is 546.798 grams. During 

 the after period the mean daily quantity of solids in the food is 665 

 grams, of which 37 aie recovered in the feces and 95.747 in the feces 

 and urine. The percentage of solids recovered in the feces is 5.6 and 

 in the feces and urine 14.4. The average daily balance is 569.253 

 grams. These data, extending over a long period, show a slight tend- 

 ency on the part o*f the preservative to increase the quantity of solids 

 eliminated in the feces, and this tendency becomes much more marked 

 during the after period. In this respect the data of this series differ 

 from those of all the preceding series. It is noticed, however, that 

 in the last subperiod, extending from June 7 to 20, there is a marked 

 tendency to increase the percentage of solids eliminated in the feces, 

 the percentage eliminated during this period being 5.2. This seems 

 to indicate that the long-continued use of the preservative had a tendency 

 to intensify the restricting influence thereof upon the digestive fer- 

 ments, and this tendency is continued during the after period. 



In the second summary of Series V, including the data for five men, 

 we find the following facts: The total quantity of solids in the food 



