25402
The contents of polycyclic aromatic hydrocarbons ( 15 + 1 EU PAH ) and phenolic substances ( guaiacol , 4 - methylguaiacol , syringol , eugenol , and trans - isoeugenol ) were investigated in smouldering - smoked Frankfurters and mini - salamis .
 Chemical: polycyclic aromatic hydrocarbons; Chemical: PAH; Chemical: phenolic; Chemical: guaiacol; Chemical: 4 - methylguaiacol; Chemical: syringol; Chemical: eugenol; Chemical: trans - isoeugenol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: polycyclic aromatic hydrocarbons; Chemical: PAH; Chemical: phenolic; Chemical: guaiacol; Chemical: 4 - methylguaiacol; Chemical: syringol; Chemical: eugenol; Chemical: trans - isoeugenol