TABLE 1.

Pre-treatment parameters, pH, and composition of the pre-hydrolysates used in this study.

				g/L
Substrates	Name	LogR0	pH	Glucose	Arabinose	Xylose	Formic acid	Acetic acid	Levulinic acid	Furfural	HMF
P. australis	Pa1	3.60	3.75	0.14 ± 0.01	0.25 ± 0.02	1.24 ± 0.11	0.32 ± 0.01	1.00 ± 0.08	n.d.	0.24 ± 0.01	0.05 ± 0.01
	Pa2	4.00	3.29	0.29 ± 0.02	0.35 ± 0.01	2.04 ± 0.18	0.78 ± 0.05	2.18 ± 0.11	0.001 ± 0.001	0.97 ± 0.07	0.13 ± 0.01
	Pa3	4.40	3.23	0.43 ± 0.02	0.09 ± 0.01	0.53 ± 0.04	1.28 ± 0.11	3.50 ± 0.25	0.008 ± 0.001	1.43 ± 0.11	0.48 ± 0.03
C. cardunculus	Cc1	3.85	4.10	0.02 ± 0.01	0.01 ± 0.01	0.23 ± 0.01	0.50 ± 0.03	0.71 ± 0.06	0.002 ± 0.001	0.09 ± 0.01	0.05 ± 0.01
	Cc2	4.02	3.96	0.30 ± 0.02	0.11 ± 0.02	2.15 ± 0.12	1.73 ± 0.11	2.15 ± 0.11	0.003 ± 0.001	0.36 ± 0.02	0.20 ± 0.02
	Cc3	4.28	3.83	0.20 ± 0.02	0.20 ± 0.02	2.20 ± 0.17	2.18 ± 0.15	2.76 ± 0.24	0.004 ± 0.001	0.44 ± 0.02	0.28 ± 0.02
	Cc4	4.53	3.49	0.13 ± 0.01	0.03 ± 0.01	1.91 ± 0.11	4.28 ± 0.28	5.80 ± 0.41	0.011 ± 0.003	0.64 ± 0.04	0.39 ± 0.02
S. officinarum	So1	4.65	3.28	0.50 ± 0.03	0.40 ± 0.03	2.95 ± 0.18	3.00 ± 0.19	11.20 ± 0.90	0.019 ± 0.005	1.70 ± 0.12	0.50 ± 0.03

Severity factor LogR₀ correlates with the harshness of the pre-treatment (Cotana et al., 2015a, b). n.d., not detected.