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May 8, 2026Industrial Crops and ProductsOpen Access

Valorization of rice straw into high-purity lactic acid with reduced enzyme cost and waste footprint

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Authors

ASAnurag SinghJRJaya RawatARAnurag S. Rathore

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Overview

Randomized trial evaluates high-purity lactic acid production in rice straw, indicating a sustainable biorefinery approach.

Key Points

  • This research aims to develop a sustainable process for converting rice straw into high-purity lactic acid.
  • Utilized a modified simultaneous saccharification and fermentation (MSSF) strategy at 42 °C with Lactobacillus casei.
  • Employ a low cellulase loading of 5 FPU g⁻¹ of pretreated biomass.
  • Established downstream purification using ion-exchange resins, resulting in no solid waste.
  • Achieved a lactic acid yield of 0.40 g g⁻¹ of pretreated biomass and a productivity of 0.63 g L⁻¹ h⁻¹.
  • The process achieved a lactic acid purity level of 93% with a total recovery of 74%.
  • The method is more environmentally friendly compared to traditional precipitation methods.

Cite This Study

Singh et al. (2026) studied this question.

synapsesocial.com/papers/69fd7ddcbfa21ec5bbf060e3https://doi.org/10.1016/j.indcrop.2026.123384
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Also Consider

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

  1. 1Production and Purification of Lactic Acid from Rice Straw Using an Integrated Fermentation and Adsorption System2026 · 3 citations
  2. 2Lactic Acid Production Using Sugarcane Juice as an Alternative Substrate and Purification through Ion-Exchange Resins2023 · 8 citations
  3. 3Lactic Acid Production to Purification: A Review2017 · 260 citations
  4. 4Recovery of Volatile Fatty Acids from Fermented Wastewater by Adsorption2017 · 145 citations
  5. 5Simultaneous saccharification and fermentation for d-lactic acid production using a metabolically engineered Escherichia coli adapted to high temperature2024 · 8 citations