25078
Simulated digestion of proanthocyanidins in grape skin and seed extracts and the effects of digestion on the angiotensin I - converting enzyme ( ACE ) inhibitory activity .
 Chemical: proanthocyanidins
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: proanthocyanidins 
Answer:
 Chemical: proanthocyanidins