22283
Experiments with synthetic substrates of physiological glycan structure clearly showed that the first half of the pathway ( glucose trimming ) was accelerated , whereas the second ( mannose trimming ) was decelerated under molecular crowding conditions .
 glucose, mannose
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 glucose, mannose