19752
Jacaric acid and four of its octadecatrienoic geoisomers selectively induced apoptosis in hormone - dependent ( LNCaP ) and - independent ( PC - 3 ) human prostate cancer cells , whilst not affecting the viability of normal human prostate epithelial cells ( RWPE - 1 ) .
 Chemical: Jacaric acid
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: Jacaric acid