CSB	Chinese steamed bread
OAVs	Odor activity values
MOS	Metal oxide semiconductors
PCA	Principal component analysis
SPME	Solid-phase microextraction
GC/MS	Gas chromatography coupled to mass spectrometry
RI	Retention index
NIST	National Institute of Standards and Technology
GC-TOFMS	Gas chromatography / Time-of-flight mass spectrometers
PLS-DA	Partial least-squares-discriminant analysis
LAB	Lactic acid bacteria
VIP	Variable important in the projection