98 



COAL-TAR COLORS USED IN FOOD PRODUCTS. 



FAVORABLE. 



1. CHLOPIN (p. 128} examined this color and classifies it as nonpoisonous. The ex- 

 perimental data are as follows: 



Experimental data by Chlopin. 



No. 1. 

 [1 gram=125 mg=87.5 grains.] 



Conclusion: Nonpoisonous. 



No. 2 (p. 129}. 

 [1 gram= 143 mg= 100 grains.] 



Conclusion: Showed no harmful effects. 

 2. Permitted by law in Italy. 



UNFAVORABLE. 



Nothing. 



DOUBTFUL. 



1. WINOGRADOW (Zts. Ndhr. Genussm., 1903, v. 6, p. 589) says it almost completely 

 inhibits digestion; noticeably retards digestive action; is not indifferent. 



G. T. 93. 



Trade name. Azo-fuchsin G. 



Scientific name. Sodium salt of para-sulphobenzene-azo-dioxy- 

 naphthalene-sulphonic acid. 

 Discovered. 1889. 

 Shade. Reddish brown. Not offered. 



FAVORABLE. 



1. CHLOPIN (pp. 126, 127) examined this color and classifies it as nonpoisonous. The 

 experimental data are as follows: 



