22857
Wattakaka volubilis steroidal glycoside mixture ( WVSM ) and PPG ( 1 - 50 mu M ) significantly inhibited the COX - 2 and iNOS enzymes resulting in low levels of PGE2 and NO in LPS - induced RAW 264 . 7 macrophage cells .
 Chemical: steroidal glycoside; Chemical: PPG
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: steroidal glycoside; Chemical: PPG