id	keyword
eurjchem-2391	acid
eurjchem-2391	concentration
eurjchem-2391	time
eurjchem-2391	figure
eurjchem-2391	temperature
eurjchem-2391	pretreatment
eurjchem-2391	min
eurjchem-2391	acid concentration
eurjchem-2391	glucose
eurjchem-2391	coffee
eurjchem-2391	reducing
eurjchem-2391	sugars
eurjchem-2391	husk