666 VI. CAROTENOIDS AND RELATED COMPOUNDS 



Table 37 

 Extinction Coefficients of Phytofluene at Maxima and Minima" 



" L. Zechmeister and A. Sandoval, /. Am. Chem. Soc, 68, 197-201 (1946). 



ganate. The 615 van band disappears, while the vahie at 570 reaches about 

 one-half its former intensity. Finally, the band moves to 585 m/x. 



Zechmeister and SandovaP^^ believe that phytofluene is connected with 

 the biosynthesis of the carotenoid pigments. This polyene, however, 

 possesses no vitamin A bioactivity. 



