17469
For the first time , phenolic compounds of unheated marjoram were characterised by high - performance liquid chromatography coupled to mass spectrometry ( HPLC - MS ) .
 Chemical: phenolic
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: phenolic