ArticleBioprocess and biosystems engineering2024
Hybrid substrate-based pH autobuffering GABA fermentation by Levilactobacillus brevis CD0817.
Article in Bioprocess and biosystems engineering, 2024. 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.
- Article
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- Uracil walking primer PCR: An accurate and efficient genome-walking tool.Journal, genetic engineering & biotechnology · 2025Article
- Protocol to Mine Unknown Flanking DNA Using PER-PCR for Genome Walking.Bio-protocol · 2025Article
- Protocol to Retrieve Unknown Flanking DNA Using Fork PCR for Genome Walking.Bio-protocol · 2025Article
- ProbioticCurrent research in food science · 2025Article
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Authors and funding
4 authors.
Funding
Abstract
The probiotic fermentation of the bioactive substance gamma-aminobutyric acid (GABA) is an attractive research topic. There is still room for further improvement in reported GABA fermentation methods based on a single substrate (L-glutamic acid or L-monosodium glutamate). Here, we devised a pH auto-buffering strategy to facilitate the fermentation of GABA by Levilactobacillus brevis CD0817. This strategy features a mixture of neutral monosodium L-glutamate plus acidic L-glutamic acid as the substrate. This mixture provides a mild initial pH; moreover, the newly dissolved L-glutamic acid automatically offsets the pH increase caused by substrate decarboxylation, maintaining the acidity essential for GABA fermentation. In this study, a flask trial was first performed to optimize the GABA fermentation parameters of Levilactobacillus brevis CD0817. The optimized parameters were further validated in a 10 L fermenter. The flask trial results revealed that the appropriate fermentation medium was composed of powdery L-glutamic acid (750 g/L), monosodium L-glutamate (34 g/L [0.2 mol/L]), glucose (5 g/L), yeast extract (35 g/L), MnSO
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