Pyrolysis characteristics and kinetics of lignin derived from enzymatic hydrolysis residue of bamboo pretreated with white-rot fungus

Yan, Keliang; Liu, Fang; Chen, Qing; Ke, Ming; Huang, Xin; Hu, Weiyao; Zhou, Bo; Zhang, Xiaoyu; Yu, Hongbo

doi:10.1186/s13068-016-0489-y

Biotechnology for Biofuels and Bioproducts

Table 2 Pyrolysis product analysis of lignin derived from enzymatic hydrolysis residue at 60 ℃

From: Pyrolysis characteristics and kinetics of lignin derived from enzymatic hydrolysis residue of bamboo pretreated with white-rot fungus

Peak	Compound	Retention time (min)	Peak area (%)
Peak	Compound	Retention time (min)	Non-treatment	Fungal treatment
1	Acetic acid	2.413	1.75 ± 0.16	2.12 ± 0.49
2^H	Toluene	4.844	0.02 ± 0.03	0.28 ± 0.14
3	Furfural	6.492	0.15 ± 0.04	0.42 ± 0.08
4^H	Phenol	11.269	0.98 ± 0.06	1.44 ± 0.17
5^H	2-Methylphenol	13.573	0.37 ± 0.03	0.42 ± 0.01
6^H	4-Methylphenol	14.228	1.71 ± 0.03	1.45 ± 0.27
7^G	Guaiacol	14.630	1.48 ± 0.16	1.96 ± 0.47
8^H	2,6-Dimethylphenol	15.137	0.13 ± 0.04	0.18 ± 0.06
9^H	2,4-Dimethylphenol	16.405	0.53 ± 0.12	0.54 ± 0.14
10^H	4-Ethylphenol	16.997	1.82 ± 0.24	1.49 ± 0.22
11^G	2-Methoxy-6-methylphenol	17.314	0.46 ± 0.13	0.38 ± 0.01
12^G	2-Methoxy-4-methylphenol,	17.758	2.11 ± 0.11	2.05 ± 0.05
13	Catechol	18.054	1.13 ± 0.07	1.49 ± 0.10
14^H	2,3-Dihydrobenzofuran	18.561	9.28 ± 0.72	6.23 ± 0.48
15^H	1-Ethyl-4-methoxybenzene	19.047	0.46 ± 0.12	0.34 ± 0.17
16^H	4-(2-Propenyl)phenol	19.512	0.24 ± 0.11	0.17 ± 0.04
17^H	4-Propylphenol	19.618	0.41 ± 0.02	0.21 ± 0.02
18^G	3-Methoxy-2-benzenediol	19.745	2.87 ± 0.23	3.86 ± 0.06
19^G	4-Ethylguaiacol	20.210	1.23 ± 0.08	1.17 ± 0.16
20^H	2-Allylphenol	20.500	0.20 ± 0.07	0.21 ± 0.05
21	4-Methylcatechol	20.590	1.24 ± 0.33	0.93 ± 0.00
22^H	4-(2-Propenyl)phenol	21.080	0.49 ± 0.31	0.18 ± 0.03
23^G	2-Methoxy-4-vinylphenol	21.182	2.27 ± 0.26	2.3 ± 0.38
24^G	3-Methoxy-5-methylphenol	21.372	0.48 ± 0.21	0.57 ± 0.21
25^H	4-(2-Propenyl)phenol,	21.922	1.16 ± 0.21	0.79 ± 0.17
26^S	Syringol	22.239	4.04 ± 0.15	4.48 ± 0.61
27^G	Eugenol	22.344	0.58 ± 0.01	0.36 ± 0.02
28^S	3,4-Dimethoxyphenol	22.450	1.73 ± 0.03	1.11 ± 0.17
29^H	4-Hydroxybenzaldehyde	22.767	0.94 ± 0.07	0.36 ± 0.11
30^S	2,6-Dimethoxytoluene	22.852	0.52 ± 0.22	ND
31^G	Vanillin	23.486	1.33 ± 0.15	1.08 ± 0.08
32^G	(e)-Isoeugenol	23.655	0.73 ± 0.04	0.54 ± 0.05
33^G	Vanillic acid	24.733	6.60 ± 0.11	5.4 ± 0.41
34^G	Homovanillyl alcohol	24.965	0.31 ± 0.03	ND
35^G	4′-Hydroxy-3′-methoxyacetophenone	25.621	0.90 ± 0.12	1.16 ± 0.06
36^G	Methyl vanillate	26.276	0.27 ± 0.02	0.43 ± 0.05
37^S	1,2,3-Trimethoxy-5-methylbenzene	26.466	1.09 ± 0.05	0.98 ± 0.26
38^G	(4-Hydroxy-3-methoxyphenyl)acetone	26.551	0.57 ± 0.13	0.54 ± 0.03
39^S	3′,5′-Dimethoxyacetophenone	27.206	2.28 ± 0.18	1.96 ± 0.42
40^G	Isovanillic acid	27.375	0.22 ± 0.04	0.41 ± 0.10
41^G	4′-Hydroxy-3′-methoxyacetophenone	27.607	ND	0.44 ± 0.01
42^S	4-Hydroxy-3,5-dimethoxyallylbenzene	27.861	1.15 ± 0.02	0.98 ± 0.07
43^S	4-Hydroxy-3,5-dimethoxyallylbenzene	28.643	1.45 ± 0.16	1.25 ± 0.23
44^S	Syringaldehyde	28.812	3.52 ± 0.25	1.91 ± 0.07
45^G	Coniferyl alcohol	28.939	0.46 ± 0.05	0.33 ± 0.07
46^S	4-Hydroxy-3,5-dimethoxyallylbenzene	29.383	3.81 ± 0.30	2.94 ± 0.28
47^S	Acetosyringone	29.848	3.11 ± 0.68	2.56 ± 0.16
48^H	4-Hydroxycinnamic acid methyl ester	29.996	0.74 ± 0.14	0.45 ± 0.29
49^S	3,5-Dimethoxy-4-hydroxyphenylacetic acid	30.313	2.05 ± 0.35	1.73 ± 0.09
50^S	Acetosyringone	30.989	0.92 ± 0.15	1.31 ± 0.01
51^S	(E)-3,5-Dimethoxy-4-hydroxycinnamaldehyde	32.786	0.78 ± 0.37	ND
	Total peak areas of S		26.44 ± 1.64	21.22 ± 1.74
	Total peak areas of G		22.89 ± 0.33	23.01 ± 1.57
	Total peak areas of H		19.49 ± 0.21	14.71 ± 0.47

S syringyl-type lignin derivatives, G guaiacyl-type lignin derivatives, H p-hydroxy phenylpropane-type lignin derivatives

Back to article page

ISSN: 2731-3654

Contact us

Submission enquiries: vinothini.mani@springernature.com
General enquiries: info@biomedcentral.com