Biodegradation of alkaline lignin by Bacillus ligniniphilus L1

Table 1 Dimensions of degradation products from lignin

No.	Retention time	Compounds		Control
1	13.644	Guaiacol	C₇H₈O₂	–
2	13.917	Benzoic acid	C₇H₆O₂	+
3	14.566	Benzene, 1-methyl-2-(1-methyl-2-propenyl)-	C₁₁H₁₄	–
4	14.613	Benzaldehyde, 3,4-dimethyl-	C₉H₁₀O	–
5	14.82	Phenylacetic acid	C₈H₈O₂	+
6	16.192	4-Hydroxybenzaldehyde	C₇H₆O₂	+
7	18.496	4-Hydroxy-benzoic acid	C₇H₆O₃	+
8	18.562	Vanillin	C₈H₈O₃	+
9	18.835	4-hydroxyphenylacetic acid	C₈H₈O₃	–
10	19.549	4-Hydroxyacetophenone	C₈H₈O₂	+
11	20.339	Vanillic acid	C₈H₈O₄	+
12	20.659	4-Allyl-2-methoxyphenol	C₁₀H₁₂O₂	+
13	20.725	4-Hydroxy-3,5-dimethoxybenzaldehyde	C₉H₁₀O₄	–
14	21.797	4-(3-Hydroxybutyl)-2-methoxyphenol	C₁₁H₁₆O₃	–
15	22.521	(3-Ethoxy-4-hydroxyphenyl) (hydroxy) acetic acid	C₁₀H₁₂O₅	–

“–”, compound was not detected; “+”, compound was detected; all compounds were detected in cultures

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