ArticleAMB Express2012
Utilization of vinasse for production of poly-3-(hydroxybutyrate-co-hydroxyvalerate) by Haloferax mediterranei.
Article in AMB Express, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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Who cites it
38 citing papers in PubMed.
- Isolation and Purification of Bacterially Produced Polyhydroxyalkanoates: Mechanisms, Limitations, and Current Advances.Life (Basel, Switzerland) · 2026Review
- Insights into transcriptional expression and putative functions of multiple polyhydroxyalkanoate synthase paralogs in Haloferax mediterranei.FEMS microbiology letters · 2026Article
- Review
- Uncovering novel polyhydroxyalkanoate biosynthesis genes and unique pathway in yeast hanseniaspora valbyensis for sustainable bioplastic production.Scientific reports · 2024Article
- A Review of Polyhydroxyalkanoates: Characterization, Production, and Application from Waste.Microorganisms · 2024Review
- Production of Poly(3-hydroxybutyrate-Bioengineering (Basel, Switzerland) · 2024Article
- Bioplastic Production from Agri-Food Waste through the Use ofMicroorganisms · 2024Review
- Production of Polyhydroxyalkanoates for Biodegradable Food Packaging Applications UsingFoods (Basel, Switzerland) · 2024Review
- Unveiling the repressive mechanism of a PPS-like regulator (PspR) in polyhydroxyalkanoates biosynthesis network.Applied microbiology and biotechnology · 2024Article
- Microbial diversity in polyextreme salt flats and their potential applications.Environmental science and pollution research international · 2024Review
- Valorising Cassava Peel Waste Into Plasticized Polyhydroxyalkanoates Blended with Polycaprolactone with Controllable Thermal and Mechanical Properties.Journal of polymers and the environment · 2024Article
- Bioconversion of bread waste into high-quality proteins and biopolymers by fermentation of archaeaFrontiers in microbiology · 2024Article
- Copolymers and Blends Based on 3-Hydroxybutyrate and 3-Hydroxyvalerate Units.International journal of molecular sciences · 2023Review
- Evaluation of polyhydroxyalkanoate (PHA) synthesis by Pichia sp. TSLS24 yeast isolated in Vietnam.Scientific reports · 2023Article
- Combination of Hypotonic Lysis and Application of Detergent for Isolation of Polyhydroxyalkanoates from Extremophiles.Polymers · 2022Article
- Additive Manufacturing of Poly(3-hydroxybutyrate-International journal of molecular sciences · 2022Article
- Enhanced production of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) copolymer by endophyticBiotechnologia · 2022Article
- Study on the production of high 3HV content PHBVFrontiers in microbiology · 2022Article
- Exploitation of wasted bread as substrate for polyhydroxyalkanoates production through the use ofFrontiers in microbiology · 2022Article
- Production and characterization of poly 3-hydroxybutyrate-co-3-hydroxyvalerate in wheat starch wastewater and its potential for nanoparticle synthesis.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2021Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Vinasse, a highly polluting waste of the ethanol industry was utilized for the production of polyhydroxyalkanoate (PHA) by the extremely halophilic archaeon, Haloferax mediterranei in shake-flasks. Following pre-treatment through adsorption on activated carbon, 25%-50% (v/v) pre-treated vinasse was utilized leading to 70% maximum accumulation of PHA. Maximum PHA concentration of 19.7 g/l, product yield coefficient (based on total carbohydrates) of 0.87 and 0.21 g/l h volumetric productivity were achieved. Concomitant lowering of BOD5 of pre-treated vinasse by at least 78% and COD by at least 80% was attained at the end of this process. The PHA was recovered by osmotic lysis of the cells and purification by sodium hypochlorite and organic solvents. Through UV-vis spectroscopy, gas chromatography, differential scanning calorimetry and nuclear magnetic resonance spectroscopy, the PHA was identified as poly-3-(hydroxybutyrate-co-hydroxyvalerate). The 3-hydroxyvalerate content was 12.36 mol % (utilizing 25% pre-treated vinasse) and 14.09 mol % (utilizing 50% pre-treated vinasse). High salt concentration in the medium allowed this process without sterile conditions and thus reduction in costs of sterilization can be envisaged. Activated charcoal pre-treatment of vinasse is economical than competing processes such as ultrafiltration of whey, extrusion and enzymatic treatment of rice and corn starch. Without impacting sugar prices, this process can easily be integrated into a distillery that has fermentation equipment and trained personnel. High PHA content, productivity, zero-cost carbon source, low-cost isolation of a high-purity product and potential integration into ethanol manufacturing unit with concomitant wastewater treatment should merit further development of this process to higher scales.
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Registered trials
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