15556
Gelatins extracted from the skin of unicorn leatherjacket at different temperatures ( 45 , 55 , 65 and 75 degrees C ) in the presence and the absence of soybean trypsin inhibitor ( SBTI ; 100 units / g pretreated skin ) for 12h were characterised .
 Chemical: trypsin
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: trypsin