25274
These changes in FI were due mostly to tryptophan emission because tyrosine emission ( at 303nm ) was suppressed .
 Chemical: tryptophan; Chemical: tyrosine
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: tryptophan; Chemical: tyrosine