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August 11, 2026Next BioengineeringOpen Access

Unhairing of goatskin using crude protease enzyme from Alcaligenaceae sp. to reduce chemical usage and wastewater pollution

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Authors

FTFatema TujjohraMAMd Samaul AlamSMSumaiya Mim

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Overview

Randomized trial demonstrates reduced chemical usage and pollution in goatskin unhairing, suggesting a greener process.

Key Points

  • The study aims to develop a sustainable unhairing process for goatskin using a crude protease enzyme to minimize chemical usage and environmental impact.
  • The unhairing process was conducted using crude protease from Alcaligenaceae sp. with temperature and pH optimizations.
  • Response surface methodology (RSM) was utilized to determine optimal conditions for enzyme activity.
  • Laboratory experiments were performed at 43 °C and pH 7.8 with a goatskin-to-enzyme ratio of 1:1.
  • Achieved complete unhairing without chemical additives, demonstrating enzyme activity of 26.3 ± 0.4 U/mL.
  • Showed a 27-60% reduction in total dissolved solids (TDS) and 99% reduction in total suspended solids (TSS) compared to conventional methods.
  • Produced leather with improved tensile strength, chrome uptake, and high shrinkage temperature.

Cite This Study

Tujjohra et al. (2026) studied this question.

synapsesocial.com/papers/6a7ace0a3401087f2249db5fhttps://doi.org/10.1016/j.nxbio.2026.100043
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Pre-tanning of Goatskin by Minimizing Chemical Usage using Crude Protease Enzyme for Crust Leather Preparation2024 · 2 citations
  2. 2Study of Alkaline Protease in Dehairing Process and Chestnut as Vegetable Tanning Agent2024
  3. 3Investigating the Papain Enzyme's Potential for Sheepskin Unhairing2024
  4. 4Modulation of hide protein resistance to enzymatic hydrolysis by calcium ions: rational design of enzyme-assisted unhairing for high-quality leather production2025
  5. 5Eco‐Friendly Fiber Opening: Pollution Load Reduction Using α‐Amylase and Protease From <i>Aspergillus tamarii</i> MTCC 51522026