2509
The results showed that only the kernel extract of M . pajang and quercetin displayed cytoprotective activity in HepG2 cells , with EC ( 50 ) values of 1 . 2 and 5 . 3 mu g / ml , respectively .
 Chemical: quercetin
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: quercetin