2564
Network analysis showed that nuclear factor - kappa B ( NF - kappa B ) and interleukin - 1 beta ( IL - 1 beta ) were key molecules involved in the expression of ginger - and zingerone - affected genes .
 Chemical: zingerone
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: zingerone