ArticleBiotechnology for biofuels2017
Stimulation and inhibition of enzymatic hydrolysis by organosolv lignins as determined by zeta potential and hydrophobicity.
Article in Biotechnology for biofuels, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 102 citations in OpenAlex.
- Article
- Novel one-step lignin microsphere preparation for oral tissue regeneration applications.Frontiers in bioengineering and biotechnology · 2024Article
- Inactivation and process intensification of β-glucosidase in biomass utilization.Applied microbiology and biotechnology · 2023Review
- Comparative study of acid- and alkali-catalyzed 1,4-butanediol pretreatment for co-production of fermentable sugars and value-added lignin compounds.Biotechnology for biofuels and bioproducts · 2023Article
- Optimization of ethanol-extracted lignin from palm fiber by response surface methodology and preparation of activated carbon fiber for dehumidification.Bioresources and bioprocessing · 2022Article
- Synthesis and characterization of rice husk biochar via hydrothermal carbonization for wastewater treatment and biofuel production.Scientific reports · 2020Article
- Article
- Enhancing Enzyme-Mediated Cellulose Hydrolysis by Incorporating Acid Groups Onto the Lignin During Biomass Pretreatment.Frontiers in bioengineering and biotechnology · 2020Article
- Constraints and advances in high-solids enzymatic hydrolysis of lignocellulosic biomass: a critical review.Biotechnology for biofuels · 2020Review
- Effect of residual extractable lignin on acetone-butanol-ethanol production in SHF and SSF processes.Biotechnology for biofuels · 2020Article
- Production of xylooligosaccharides and monosaccharides from poplar by a two-step acetic acid and peroxide/acetic acid pretreatment.Biotechnology for biofuels · 2019Article
- Advanced strategy to produce insecticidal destruxins from lignocellulosic biomassBiotechnology for biofuels · 2019Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundLignin typically inhibits enzymatic hydrolysis of cellulosic biomass, but certain organosolv lignins or lignosulfonates enhance enzymatic hydrolysis. The hydrophobic and electrostatic interactions between lignin and cellulases play critical roles in the enzymatic hydrolysis process. However, how to incorporate these two interactions into the consideration of lignin effects has not been investigated.
resultsWe examined the physicochemical properties and the structures of ethanol organosolv lignins (EOL) from hardwood and softwood and ascertained the association between lignin properties and their inhibitory and stimulatory effects on enzymatic hydrolysis. The zeta potential and hydrophobicity of EOL lignin samples, isolated from organosolv pretreatment of cottonwood (CW), black willow (BW), aspen (AS), eucalyptus (EH), and loblolly pine (LP), were determined and correlated with their effects on enzymatic hydrolysis of Avicel. EOLs from CW, BW, and AS improved the 72 h hydrolysis yield by 8-12%, while EOLs from EH and LP decreased the 72 h hydrolysis yield by 6 and 16%, respectively. The results showed a strong correlation between the 72 h hydrolysis yield with hydrophobicity and zeta potential. The correlation indicated that the hydrophobicity of EOL had a negative effect and the negative zeta potential of EOL had a positive effect. HSQC NMR spectra showed that β-
conclusionsThis study revealed that the effect of lignin on enzymatic hydrolysis is a function of both hydrophobic interactions and electrostatic repulsions. The lignin inhibition is controlled by lignin hydrophobicity and the lignin stimulation is governed by the negative zeta potential. The net effect of lignin depends on the combined influence of hydrophobicity and zeta potential. This study has potential implications in biomass pretreatment for the reduction of lignin inhibition by increasing lignin negative zeta potential and decreasing hydrophobicity.
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