15374
A significant decrease in HLA - DR expression was observed in the AP and fractionated procyanidin - treated cells in the presence of ovalbumin ( OVA ) , but no effect on CD86 expression was observed .
 Chemical: procyanidin
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: procyanidin