HS-GC-IMS	Headspace gas chromatography-ion mobility spectrometry
HS-SPME-GC-MS	Headspace solid-phase microextraction-gas chromatography-mass spectrometry
VOCs	Volatile organic compounds
RI	Retention index
WZM	Citrus-tea made from Wenzhou Tangerine Dafen No. 4 and Tianjian tea
SMQ	Citrus-tea made from Shimeng orange and Tianjian tea
XQG	Citrus-tea made from Xiaoqing orange and Tianjian tea
NFM	Citrus-tea made from Nanfeng orange and Tianjian tea
GC	Citrus-tea made from Gongchuan orange and Tianjian tea
XJ	Citrus-tea made from Xinjing orange and Tianjian tea
XN	Citrus-tea made from Xinnv Ponkan and Tianjian tea
ZM	Citrus-tea made from Zaomi Ponkan and Tianjian tea
CX	Citrus-tea made from Chunxiang mixed Citrus and Tianjian tea
HY	Citrus-tea made from Huyou and Tianjian tea
DD	Citrus-tea made from Daidai lime and Tianjian tea
PS	Citrus-tea made from Pushi Cheng and Tianjian tea
BT	Citrus-tea made from Bingtang orange and Tianjian tea
LZ	Citrus-tea made from Luzai honey orange and Tianjian tea
JP	Citrus-tea made from Jinpenyou and Tianjian tea
XC	Citrus-tea made from Tarocco blood orange and Tianjian tea
LF	Citrus-tea made from Langfeng navel orange and Tianjian tea
YF	Citrus-tea made from Yuanfeng navel orange and Tianjian tea
NHE	Citrus-tea made from Newhall navel orange and Tianjian tea
PCA	Principal component analysis
OPLS-DA	Orthogonal partial least squares discrimination analysis
OAV	Odor activity value
ODT	Odor detection thresholds
VIP	Variable importance for the projection
PCC	Pearson correlation coefficients