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Dammarane - type saponins from heat - processed Gynostemma pentaphyllum show fortified activity against A549 cells .
 Chemical: Dammarane; Chemical: saponins
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: Dammarane; Chemical: saponins