19769
An ethanol extract from heat - processed Gynostemma pentaphyllum showed more potent cytotoxic activity against human lung adenocarcinoma A549 cells than that of raw G . pentaphyllum .
 Chemical: ethanol
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: ethanol