Table 1.

Concentrations of taste substances in black tea, oolong tea, and green tea soups.

Tastant	Black tea soup			Oolong tea soup			Green tea soup
	Dian	Qimen	Hainan	Dahongpao	Anxi	Rougui	Longjing	Maojian	Biluochun
TSA	187.30 ± 3.34 a	95.36 ± 0.31 b	64.24 ± 0.36 c	54.01 ± 1.43 d	5.45 ± 0.19 e	4.63 ± 0.15 f	ND	ND	ND
C	2.63 ± 0.11 f	1.70 ± 0.01 g	0.77 ± 0.00 h	7.35 ± 0.03 c	3.96 ± 0.03 e	5.01 ± 0.27 d	14.17 ± 0.05 b	16.12 ± 0.00 a	16.10 ± 0.09 a
EC	4.37 ± 0.27 g	5.45 ± 0.04 f	3.54 ± 0.16 h	1.70 ± 0.02 i	9.40 ± 0.03 d	7.30 ± 0.01 e	41.61 ± 0.19 c	82.04 ± 0.25 a	72.97 ± 0.30 b
EGCG	10.77 ± 0.21 f	8.91 ± 0.13 h	9.87 ± 0.18 g	43.16 ± 0.05 c	16.19 ± 0.04 e	21.56 ± 0.22 d	201.86 ± 0.15 a	129.22 ± 0.13 b	121.67 ± 0.29 b
GCG	1.15 ± 0.05 c	1.23 ± 0.01 c	0.68 ± 0.02 e	0.91 ± 0.01 d	0.08 ± 0.00 g	0.33 ± 0.01 f	64.85 ± 0.13 a	13.63 ± 0.08 b	12.73 ± 0.09 b
ECG	10.39 ± 0.03 d	2.67 ± 0.02 h	5.80 ± 0.05 e	10.70 ± 0.03 d	4.40 ± 0.00 f	3.72 ± 0.10 g	84.02 ± 0.15 c	93.01 ± 0.04 b	102.28 ± 0.56 a
CG	1.20 ± 0.02 c	2.23 ± 0.02 a	1.46 ± 0.01 b	1.39 ± 0.02 b	0.27 ± 0.00 g	0.59 ± 0.06 e	0.63 ± 0.01 e	0.70 ± 0.01 d	0.43 ± 0.01 f
Caffeine	197.08 ± 8.69 b	143.68 ± 0.45 e	119.47 ± 0.32 f	92.87 ± 0.51 g	25.09 ± 0.33 h	29.34 ± 0.16 i	238.31 ± 0.46 a	173.86 ± 0.26 d	182.28 ± 0.10 c

The unit of concentration is μmol/L. Different letters in the same column indicate significant differences between mean values (p < 0.05).