23141
The impact of catechin and epicatechin , total phenols and PPO activity on the Mal d 1 content in apple fruit .
 Chemical: catechin; Chemical: epicatechin; Chemical: phenols
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: catechin; Chemical: epicatechin; Chemical: phenols