100 1-1-^ 



UJ 80 

 o 



UJ 60h 



UJ 



40 



UJ 



o 

 W 20 







1 — \ — r 



1 — \ r 



1 — \ — \ — \ — r 



NORMAL TUNA 

 GREEN TUNA 



I I I 



I I I I I I 



400 440 480 520 560 600 

 WAVE LENGTH (Mp) 



640 680 



Figure 2. --Comparative reflectance of normal (solid line) and green (dashed line) tuna. 



100 



r-t-^ 



UJ 



o 



o 



UJ 



UJ 



UJ 



o 

 cr 



UJ 



80 



60 



40 



20 







"-u-l 



400 440 



480 520 560 600 



WAVE LENGTH (MJJ) 



640 680 



Figure 3. --Reflectance of cooked tuna meat with malachite 

 green dye added and without green dye added. 



