CIS-TRANS ISOMERISM 



41 



TABLE 9 



CAROTENOIDS EXAMINED FOR CIS-TRANS ISOMERISM 



Pigment References 



Capsanthin L. Zechmeister and co-workers, Ann. 530 (1937) 291; ^43 



(1940) 248; /. Atn. Chem. Soc. 66 (1944) 186. 

 Capsorubin L. Zechmeister, L. v. Cholnoky, Ann. 543 (1940) 248; A. 



PoLGAR and L. Zechmeister, /. Am. Chem. Soc. 66 (1944) 186. 

 a-Carotene L. Zechmeister and co-workers, /. Am. Chem. Soc. 6^ (1943) 



1522; 66 (1944) 137; Arch. Biochem. 6 (1945) 157. — A. E. 



GiLLAM, M. S. El Ridi and S. K. Kon, Biochem. J. 31 (1937) 



1605. — F. Zscheile and co-workers. Arch. Biochem. 5 (1944) 



77, 211. 

 /3-Carotene A. E. Gillam and M. S. El Ridi, Nature (London) 136 (1935) 



914; Biochem. J. 30 (1936) 1735; 31 (1937) 251. — L. Zech- 

 meister and co-workers, /. Am. Chem. Soc. 64 (1942) 1856; 



65 (1943) 1528; Arch. Biochem. 5 (1944) 107; Arch. Biochem. 



7 (1945) 247; Ber. J2 (1939) 1340; Nature (London) 141 (1938) 



249; Biochem. J. 32 (1938) 1305;/. Am. Chem. Soc. 66(1944) 137. 

 y-Carotene L. Zechmeister and A. PolgAr, /. Am. Chem. Soc. 67 (1945) 



108. — L. Zechmeister and co-workers. Arch. Biochem. 5 (1944) 



365. — Cf. also: R. F. Hunter and A. D. Scott, Biochem. J. 



35 (1941) 31. — L. Zechmeister and co-workers. Plant Phvsiol. 



17 (1942) 91, footnote 2. — L. Zechmeister, L. Pauling and 



co-workers, /. Am. Chem. Soc. 65 (1943) 1940. 



A. L. le Rosen and L. Zechmeister, Arch. Biochem. i (1942) 17. 



H. H. Strain and W. M. Manning, /. Am. Chem. Soc. 64 (1942) 



1235. 



L. Zechmeister and W. A. Schroeder, /. Am. Chem. Soc. 



65 (1943) 1535. 



L. Zechmeister and co-workers. Nature (London) 141 (1938) 



249; Biochem. J. 32 (1938) 1305; Ber. y2 (1939) 1340; /. Am. 



Chem. Soc. 66 (1944) 317. 



L. Zechmeister and co-workers. Nature (London) 141 (1938) 



249; Ber. 72 (1939) 1340; Biochem. J. 32 (1938) 1305; /. Am. 



Chem. Soc. 65 (1943) 1942; 66 (1944) 137. 



L. Zechmeister and co-workers, Ber. J2 (1939) 1340, 1678, 



2039; /. Am. Chem. Soc. 66 (1944) 317. 



L. Zechmeister and co-workers, /. Am. Chem. Soc. 64 (1942) 



1173; 63 (1943) 1940. 



L. Zechmeister and co-workers, /. Am. Chem. Soc. 65(1943) 1940. 



L. Zechmeister and co-workers. Arch. Biochem. 5 (1944) 243. 



L. Zechmeister and P. Tuzson, Ber. 72 (1939) 1340. 



H. H. Strain, /. Biol. Chem. i2y (1938) 191. — L. Zechmeister 



and co-workers, Ber. y2 (1939) 1340; /. Am. Chem. Soc. 65 (1943) 



1951; 66 (1944) 137. 



L. Zechmeister and co-workers, Ber. 72 (1939) 1340, 1678, 2039; 



/. Am. Chem. Soc. 66 (1944) 317. 



Celaxanthin 

 Fucoxanthin 



Gazaniaxanthin 



CrN^ptoxanthin 



Lycopene 



Physalien 



Pro-y-carotene 



Pro-lycopene 

 Spirilloxanthin 

 Taraxanthin 

 Xanthophyll 



Zeaxanthin 



