. 2020 Jan 24;25:e00420. doi: 10.1016/j.btre.2020.e00420

Table 3.

Inhibitory compounds present in tequila vinasses.

Vinasse	A	B	C	D	E	F	G	H	I	J
Compound (mg/L)
Hydroquinone	4.29 ± 2.64^g	12.66 ± 0.08^f	4.88 ± 0.18^g	37.42 ± 0.04^d	42.06 ± 1.12^c	43.60 ± 0.01^c	49.07 ± 1.46^b	96.43 ± 0.30^a	1.82 ± 0.05^g	22.74 ± 0.12^e
Hydroxymethylfurfural	127.94 ± 3.53^c	18.18 ± 0.32^f	140.25 ± 0.51^b	22.05 ± 0.02^f	126.38 ± 0.06^c	21.79 ± 0.03^f	115.63 ± 0.24^d	227.13 ± 1.09^a	85.91 ± 0.37^e	137.47 ± 0.85^b
Furfural	8.17 ± 0.37^b	5.87 ± 0.11^d	4.47 ± 0.01^e	0.18 ± 0.01^h	10.61 ± 0.05^a	7.39 ± 0.01^c	2.71 ± 0.15^f	8.70 ± 0.12^b	2.00 ± 0.02^g	4.95 ± 0.01^e
2-Furoic acid	24.95 ± 7.05^b	20.49 ± 1.00^b	17.07 ± 0.07^b	2.03 ± 0.01^e	11.49 ± 0.01^b	10.43 ± 0.01^b	19.89 ± 0.25^b	38.59 ± 0.37^a	9.93 ± 0.04^b	18.75 ± 0.17^b
Hydroxybenzoic acid	5.09 ± 3.14^b	5.06 ± 0.11^b	7.02 ± 0.25^b	3.10 ± 0.05^c	3.70 ± 0.18^c	5.20 ± 1.19^b	5.32 ± 0.30^b	4.71 ± 0.07^b	9.05 ± 0.09^a	8.87 ± 0.07^b
Hydroxybenzaldehyde	0.54 ± 0.76^g	0.92 ± 0.04^g	22.17 ± 0.10^d	23.57 ± 0.01^d	19.40 ± 0.32^e	25.07 ± 0.14^c	2.60 ± 0.78^f	49.50 ± 0.19^a	22.69 ± 0.06^d	31.60 ± 0.23^b
Vanillic acid	37.78 ± 1.27^a	16.46 ± 0.26^c	4.25 ± 0.02^d	4.27 ± 0.04^d	3.84 ± 0.02^d	4.21 ± 0.001^d	3.56 ± 0.19^d	2.91 ± 0.12^d	26.81 ± 0.19^b	37.38 ± 0.27^a
Vanillin	1.57 ± 0.63^d	1.025 ± 0.02^d	4.23 ± 0.05^c	5.86 ± 0.01^c	7.22 ± 0.01^c	6.21 ± 0.03^c	22.63 ± 0.74^a	24.51 ± 1.10^a	1.84 ± 0.47^d	10.57 ± 0.20^b
Acetovanillone	0.44 ± 0.62^a	1.45 ± 0.86^a	ND	ND	0.68 ± 0.01^a	0.89 ± 0.01^a	0.86 ± 0.08^a	0.81 ± 0.11^a	ND	ND
Acetosyringone	1.51 ± 0.03^a	1.18 ± 0.04^c	1.18 ± 0.02^c	1.19 ± 0.01^c	1.36 ± 0.01^b	1.19 ± 0.002^c	ND	1.41 ± 0.03^a	ND	1.34 ± 0.06^b
Coniferyl aldehyde	5.26 ± 0.65^a	2.28 ± 0.01^b	ND	ND	ND	ND	ND	ND	ND	ND

Results are shown as an average of duplicate vinasse samples with standard deviation. Comparisons were made between vinasses for each compound; different lower-case letters show Statistical significance given at p < 0.05. ND - not detected.