5772
Protein tyrosine phosphatase 1B inhibitory effect by dammarane - type triterpenes from hydrolyzate of total Gynostemma pentaphyllum saponins .
 Chemical: tyrosine; Chemical: dammarane; Chemical: triterpenes; 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: tyrosine; Chemical: dammarane; Chemical: triterpenes; Chemical: saponins