9750
The presence of 43 compounds , mainly flavonoids , was proven in all honey samples by their characteristic mass spectra and fragmentation pattern .
 Chemical: flavonoids
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: flavonoids 
Answer:
 Chemical: flavonoids