

issued January 9, I9oy. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF CHEMISTRY BULLETIN No. 119. 



H. W. WILEY, Chief of Bureau. 



EXPERIMENTS ON THE SPOILAGE 

 OF TOMATO KETCHUP. 



BY 



A. W. BITTING, 



INSPECTOR, BUREAU i)F CHEMISTRY, 



UNIVERSITY 

 WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1909. 



