Bioprocess optimization of PHB homopolymer and copolymer P3 (HB-co-HV) by Acinetobacter junii BP25 utilizing rice mill effluent as sustainable substrate

The potential use of parboiled rice mill effluent as a cheap substrate for the production of homopolymer and copolymer of Polyhydroxyalkanoates (PHAs) by Acinetobacter junii BP 25 was investigated for the first time. Process optimization by one factor at a time led to homopolymer polyhydroxybutyrate...

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Veröffentlicht in:Environmental technology. - 1993. - 39(2018), 11 vom: 16. Juni, Seite 1430-1441
1. Verfasser: Sabapathy, Poorna Chandrika (VerfasserIn)
Weitere Verfasser: Devaraj, Sabarinathan, Parthiban, Anburajan, Kathirvel, Preethi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Polyhydroxyalkanoates copolymer process optimization rice mill effluent sustainable substrate Polyesters
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520 |a The potential use of parboiled rice mill effluent as a cheap substrate for the production of homopolymer and copolymer of Polyhydroxyalkanoates (PHAs) by Acinetobacter junii BP 25 was investigated for the first time. Process optimization by one factor at a time led to homopolymer polyhydroxybutyrate (PHB) production of 2.64 ± 0.18 g/l with 94.28% PHB content using a two-stage batch cultivation mode. BP 25 furthermore produced polyhydroxybutyrate-co-hydroxyvalerate (P3 (HB-co-HV)), with the addition of valeric acid as an additive to the substrate, yielding (2.56 ± 0.12 g/l dry biomass, 2.20 ± 0.15 g/l PHA) a copolymer content of 85.93%. Thus, rice mill effluent can be an effective and relatively low-cost alternative for the production of PHA, replacing the pure substrates 
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650 4 |a Polyhydroxyalkanoates 
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700 1 |a Parthiban, Anburajan  |e verfasserin  |4 aut 
700 1 |a Kathirvel, Preethi  |e verfasserin  |4 aut 
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