15535
The aim of this research was to characterise the dialdehydic form of decarboxymethyl elenolic acid linked to hydroxytyrosol ( 3 , 4 - DHPEA - EDA ) oxidation products to find analytical indicators that could be used as early evaluation index of the VOO autoxidation state .
 Chemical: dialdehydic; Chemical: decarboxymethyl elenolic acid; Chemical: hydroxytyrosol; Chemical: 3 , 4 - DHPEA - EDA
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: dialdehydic; Chemical: decarboxymethyl elenolic acid; Chemical: hydroxytyrosol; Chemical: 3 , 4 - DHPEA - EDA