6369
Polymethoxyflavones as agents that prevent formation of cataract : nobiletin congeners show potent growth inhibitory effects in human lens epithelial cells .
 Chemical: Polymethoxyflavones; Chemical: nobiletin
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: Polymethoxyflavones; Chemical: nobiletin