19602
The absolute configuration and the enantiomer ratios of dihydro - beta - ionol in the aromatic components of Osmanthus flower and of Hakuto peach were determined .
 Chemical: dihydro - beta - ionol
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: dihydro - beta - ionol 
Answer:
 Chemical: dihydro - beta - ionol