Issued January 9, 1909. 



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 OF CHEMISTRY. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1909. 



