29769
Abstract Milk - derived peptides , Val - Pro - Pro ( VPP ) and Ile - Pro - Pro ( IPP ) , have angiotensin I - converting enzyme inhibitory activities and blood pressure - lowering effects .
 Chemical: Val - Pro - Pro; Chemical: Ile - Pro - Pro
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: Val - Pro - Pro; Chemical: Ile - Pro - Pro