Whey valorization for sustainable polyhydroxyalkanoate production by Bacillus megaterium: Production, characterization and in vitro biocompatibility evaluation

Whey valorization for sustainable polyhydroxyalkanoate production by Bacillus megaterium: Production, characterization and in vitro biocompatibility evaluation

Polyhydroxyalkanoates (PHAs) are biodegradable biopolymers acclaimed as an eco-friendly substitute of hazardously polluting petrochemical plastics. Using industrial by-products as PHA feedstocks could improve its process economics and market implementation. Valorizing the plenteous, nutritive pollut...

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Veröffentlicht in:Journal of environmental management 2020-02, Vol.255, p.109884-109884, Article 109884
Hauptverfasser: Israni, Neetu, Venkatachalam, Prerana, Gajaraj, Bharath, Varalakshmi, Kilingar Nadumane, Shivakumar, Srividya
Format: Artikel
Sprache:eng
Schlagworte:
B. megaterium
Bacillus megaterium
Biocompatibility
Biopolymers
Plastics
Poly (3-hydroxybutyrate)
Poly (ethylene glycol)
Polyhydroxyalkanoates
Whey
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Zusammenfassung:Polyhydroxyalkanoates (PHAs) are biodegradable biopolymers acclaimed as an eco-friendly substitute of hazardously polluting petrochemical plastics. Using industrial by-products as PHA feedstocks could improve its process economics and market implementation. Valorizing the plenteous, nutritive pollutant whey as PHA production feedstock would be an excellent whey management strategy. This study aimed at whole/crude whey valorization for value-added PHA production using B. megaterium Ti3 innate protease, alleviating pretreatments. Response surface methodology (RSM) media optimization ascertained whey (%) as the key influential factor (p 
ISSN:0301-4797
1095-8630
DOI:10.1016/j.jenvman.2019.109884