Skipjack fleshj 350? go „ clear alcohol extract 



Treated with lead aceta&eo filtered 



Filtrate treated with petroleum ether 



Hydrogen sulphide addedj, filtered,, excess gas removed in 



vacuum 



Filtrate through Duolite Ac»3 anion nolumno twice 



Alcohol solu- Alcohol inaolu- Alcohol solu- Alcohol insolu" 

 ble part ble part; ble part ble part; 



I water soluable I water soluble 



Noo 201 



No, 202 



No, 204 



No„ 205 



XX 



Figure 10, --Fractionation of an alcohol extract of skipjack flesh; 

 procedure and results in experiments Nos, 200 to 

 202„ and 204 to 206, 



45 



