CAROTENOIDS IN LAND PLANTS 



Me 



It has not been reported in the fruit of normal market tomatoes but 

 exists in the selections made by Porter and Lincoln, ^ * * especially 

 crosses of L. hirsutum with the common commercial species L. esculen- 

 tum ; concentrations of up to 80(jLg./g. fruit have been achieved in this 



36 



32 



28 



24 



20 



16 



12 







360 400 420 



440 460 480 

 Wavelength (mfi) 



500 



520 



Fig. 7. — The absorption spectrum (in hexane) of Lycopene, S-carotene and 

 C-carotene. {From Porter,]. W., ar)d Zscheile, F. P. {1946) Arch. Biochem., 

 10, 537,) 



27 



