22562
Anti - inflammatory activity of hexane extracts from bones and internal organs of Anguilla japonica suppresses cyclooxygenase - 2 - dependent prostaglandin D2 generation in mast cells and anaphylaxis in mice .
 Chemical: hexane; Chemical: prostaglandin D2
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: hexane; Chemical: prostaglandin D2