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In the present work , we have investigated the interactions of lysozyme with procyanidin dimer ( B3 ) using various biophysical approaches , which aims to provide insights into the mechanism of protein / polyphenol aggregation .
 Chemical: procyanidin; 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: procyanidin; Chemical: polyphenol