17190
These data demonstrated that pterostilbene exhibited hepatoprotective effects on experimental fibrosis , potentially by inhibiting the TGF - beta 1 / Smad signaling .
 Chemical: pterostilbene
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: pterostilbene