2611
To improve the yield of Maillard peptides , a microbial transglutaminase ( MTGase ) was used to increase the content of 1000 - 5000Da peptides in soybean protein hydrolysates by using a cross - linking reaction .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None