22064
The interaction of a polymeric persimmon proanthocyanidin fraction with Chinese cobra PLA2 and BSA .
 Chemical: proanthocyanidin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: proanthocyanidin 
Answer:
 Chemical: proanthocyanidin