Photomicrographs of cross sections of raw and steamed apple tissues illustrating 

 variations in structure of skin and cortex and changes caused by cooking. 

 A, Delicious raw; B, Delicious steamed for 15 minutes; C, Golden Delicious 

 steamed for 45 minutes; D, Jonathan raw; E, Jonathan steamed for 45 minutes; 

 F, Rome Beauty raw; G, Rome Beauty steamed for 45 minutes; H, Stayman 

 raw; /, Stayman steamed for 45 minutes, a, Intercellular space; 6, pit areas 

 or nodules; c, nodules; d, suberized area; e, ruptured cell wall; /, fragmented 

 cell wall; g, fibrovascular bundle. X 88. 



