AD	anaerobic digestion
COD	chemical oxygen demand
DGGE	denaturing gradient gel electrophoresis
DNA-SIP	stable nucleic acid probing
FISH	fluorescence in situ hybridization
FW	food waste
FWAD	food waste anaerobic digestion
MSW	municipal solid wastes
OLR	organic loading rate
TRFLP	terminal restriction fragment length polymorphism
TSS	total suspended solids
VFAs	volatile fatty acids
VSS	volatile suspended solids