ArticleBMC biotechnology2023
The feasibility of sodium hydroxide pretreatment of rice straw for solid substrate preparation to enhance laccase production by solid state fermentation.
Article in BMC biotechnology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Transcriptome sequencing of Bacillus sp. HMM and effect of GH gene overexpression on cellulase activities.Biotechnology letters · 2026Article
- Efficient lignocellulolytic enzymes producing bacteria from Pangi-Chamba Himalayan niches: a potential for sustainable and greener biomass catalysis.Archives of microbiology · 2026Article
- Solid-State Fermentation Towards Sustainability and Circularity in the Bioprocessing of Agri-Food Industrial Wastes.Foods (Basel, Switzerland) · 2026Review
- Recent Advances in Laccase Production: Challenges and Future Perspectives.Journal of microbiology and biotechnology · 2025Review
- Valorization of agro-industrial waste through solid-state fermentation: Mini review.Biotechnology reports (Amsterdam, Netherlands) · 2025Review
- Upstream and Downstream Bioprocessing in Enzyme Technology.Pharmaceutics · 2023Review
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Authors and funding
5 authors.
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Abstract
backgroundCurrently, broad industrial application of laccases is commonly restricted by the high-cost related production. Solid state fermentation (SSF) using agricultural waste is an attractively economic strategy for laccase production, yet its efficiency is low. Pretreatment of cellulosic substrate might be a vital breakpoint to solve the problem in solid state fermentation (SSF). In this study, sodium hydroxide pretreatment was involved to prepare solid substrates from rice straw. Fermentability of solid substrates in terms of carbon resource supply, accessibility and water retention value, and their influence on performance of SSF were analyzed.
resultsThe results showed that sodium hydroxide pretreatment provided desirable solid substrates with higher enzymatic digestibility and optimal water retention value, which further facilitated the homogeneity of mycelium growth, laccase distribution and nutrition utilization during SSF. The pretreated rice straw (1 h) with diameter less than 0.085 cm gave the maximum laccase production of 2912.34 U/g, which was 7.72 times higher than the control.
conclusionHence, we proposed that enough balance between nutrition accessibility and structure support was a must for rational design and preparation of solid substrate. Additionally, sodium hydroxide pretreatment of lignocellulosic waste might be an ideal step to enhance the efficiency and lower the production cost in SSF.
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