Substrate	Reference(s)	Comment(s)
alkali lignin	Zhu, D., Zhang, P., Xie, C., Zhang, W., Sun, J., Qian, W. J., & Yang, B. (2017). Biodegradation of alkaline lignin by Bacillus ligniniphilus L1. Biotechnology for Biofuels, 10(1). https://doi.org/10.1186/s13068-017-0735-y	(Sigma-Aldrich)