2554
To understand the effect of l - phenylalanine ( l - phe ) on the PAL activity , total phenolic amount , and phenolic constituents , isolates were evaluated with 100mg / l l - phe .
 Chemical: l - phenylalanine; Chemical: l - phe; Chemical: phenolic; Chemical: phenolic; Chemical: l - phe
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: l - phenylalanine; Chemical: l - phe; Chemical: phenolic; Chemical: phenolic; Chemical: l - phe