Microbial cell factories for the production of three-carbon backbone organic acids from agro-industrial wastes

Son, Jina; Baritugo, Kei-Anne; Lim, Seo Hyun; Lim, Hye Jin; Jeong, Sooyeon; Lee, Ji Yeon; Choi, Jong‐il; Joo, Jeong Chan; Na, Jeong-Geol; Park, Si Jae

doi:10.1016/j.biortech.2022.126797

Cited by 11 publications

(3 citation statements)

References 137 publications

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“…As has been previously reported in the literature, all the agro-industrial-based by-products are nutrient-rich substrates that significantly contribute to the obtaining of bio-based products [ 77 , 78 ]. The composition of all these wastes is represented by more than 60 % carbohydrates.…”

Section: Renewable Sources For the Bioproduction Of Succinic Acidmentioning

confidence: 99%

Succinic acid – A run-through of the latest perspectives of production from renewable biomass

Mitrea,

Teleky,

Nemes

et al. 2024

Heliyon

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Section: Renewable Sources For the Bioproduction Of Succinic Acidmentioning

confidence: 99%

Succinic acid – A run-through of the latest perspectives of production from renewable biomass

Mitrea,

Teleky,

Nemes

et al. 2024

Heliyon

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“…Lactic acid is a three-carbon platform chemical (Son et al 2022 ) whose market size is expected to grow up to USD 5.80 billion in 2030 (Grand View research report 2024 ).…”

Section: Introductionmentioning

confidence: 99%

2G-lactic acid from olive oil supply chain waste: olive leaves upcycling via Lactobacillus casei fermentation

Gugel,

Marchetti,

Costa

et al. 2024

Appl Microbiol Biotechnol

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The transition towards a sustainable model, particularly the circular economy, emphasizes the importance of redefining waste as a valuable resource, paving the way for innovative upcycling strategies. The olive oil industry, with its significant output of agricultural waste, offers a promising avenue for high-value biomass conversion into useful products through microbial processes. This study focuses on exploring new, high-value applications for olive leaves waste, utilizing a biotechnological approach with Lactobacillus casei for the production of second-generation lactic acid. Contrary to initial expectations, the inherent high polyphenol content and low fermentable glucose levels in olive leaves posed challenges for fermentation. Addressing this, an enzymatic hydrolysis step, following a preliminary extraction process, was implemented to increase glucose availability. Subsequent small-scale fermentation tests were conducted with and without nutrient supplements, identifying the medium that yielded the highest lactic acid production for scale-up. The scaled-up batch fermentation process achieved an enhanced conversion rate (83.58%) and specific productivity (0.26 g/L·h). This research confirms the feasibility of repurposing olive waste leaves for the production of lactic acid, contributing to the advancement of a greener economy through the valorization of agricultural waste. Key points • Olive leaves slurry as it did not allow L. casei to ferment. • High concentrations of polyphenols inhibit fermentation of L. casei. • Enzymatic hydrolysis combined to organosolv extraction is the best pretreatment for lactic acid production starting from leaves and olive pruning waste. Graphical Abstract

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“…Indeed, CS in the US could exceed 106 million dry metric tons (MT) by the end of 2025 . The US Department of Energy has funded several efforts to investigate the conversion of CS to useful products such as biochar, biofuels, and organic acids. − The utilization of CS as a substrate for biolixiviant production for REE leaching has been proposed in our previous study Date palm clippings .…”

Section: Introductionmentioning

confidence: 99%

Techno-economic Analysis and Life Cycle Assessment of Gluconic Acid and Xylonic Acid Production from Waste Materials

Balchandani,

Alipanah,

Barboza

et al. 2023

ACS Sustainable Chem. Eng.

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Microbial cell factories for the production of three-carbon backbone organic acids from agro-industrial wastes

Cited by 11 publications

References 137 publications

Succinic acid – A run-through of the latest perspectives of production from renewable biomass

Succinic acid – A run-through of the latest perspectives of production from renewable biomass

2G-lactic acid from olive oil supply chain waste: olive leaves upcycling via Lactobacillus casei fermentation

Techno-economic Analysis and Life Cycle Assessment of Gluconic Acid and Xylonic Acid Production from Waste Materials

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