Article (magazine)  (2007)  Page(s) 404.  
 
Table 1. Comparison of key volatile components in representative cultivated Chinese roses and species. [adsorption volume by Solid Phase Microextraction (peak area, x10')]

China 'Chi Dan Hong Xin'
Dihydro-beta-ionone 7.47
Dihydro-beta-ionol 1.96
Beta-ionone 13.8

Article (magazine)  (2007)  Page(s) 401.  
 
One Chinese cultivar, 'Chi Dan Hong Xin' ...emitted beta-ionone as the major scent compound (21.6%).