17856
Overall , although most anthocyanidins had no effects on AhR - CYP1A1 signaling , pelargonidin can bind to and activate the AhR and AhR - dependent gene expression , and pelargonidin and delphinidin inhibit the CYP1A1 catalytic activity .
 anthocyanidins, pelargonidin, pelargonidin, delphinidin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 anthocyanidins, pelargonidin, pelargonidin, delphinidin