25271
Generally , the vicilin showed an unfolded structure at pH 3 . 0 , 5 . 0 , 7 . 0 , and 9 . 0 as evident by the extensive red shift ( > 350nm ) of the wavelength of maximum tryptophan fluorescence intensity .
 Chemical: tryptophan
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