3623
Thus , the apoptosis induction in SGC - 7901 cells by beta - ionone may be regulated through a PI3K - AKT pathway .
 Chemical: beta - ionone
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: beta - ionone