24247
Tryptanthrin showed a variety of intriguing biological properties such as antibacterial , antifungal , antiprotozoal , and antiparasitic activities , inhibitory activities against COX - 2 , 5 - LOX , NO synthase and PGE ( 2 ) expression , as well as cytotoxic and antitumor activities .
 Chemical: Tryptanthrin; Chemical: NO; Chemical: PGE ( 2 )
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: Tryptanthrin; Chemical: NO; Chemical: PGE ( 2 )