21763
As many of these compounds have been reported to occur in roasted coffee beans and / or brews , it can be suggested that the degradation of coffee arabinogalactan side chains can contribute to their formation upon roasting .
 None
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:  
Answer:
 None