2569
A metabolite profiling approach was used to study the effect of moderate - intensity pulsed electric field ( MIPEF ) treatments on the individual polyphenol and carotenoid contents of tomato fruit after refrigeration at 4 degrees C for 24h .
 Chemical: polyphenol
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: polyphenol