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Phytochemical investigations resulted in the isolation of ursolic acid , oleanolic acid , apigenin , luteolin and ixoroside .
 Chemical: ursolic acid; Chemical: oleanolic acid; Chemical: apigenin; Chemical: luteolin; Chemical: ixoroside
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: ursolic acid, oleanolic acid, apigenin, luteolin, ixoroside 
Answer:
 Chemical: ursolic acid; Chemical: oleanolic acid; Chemical: apigenin; Chemical: luteolin; Chemical: ixoroside