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Production of polyhydroxyalkanoates (PHA) from a non‐lignocellulosic component of sugarcane bagasse: fueling a biobased economy
Author(s) -
Tyagi Priyam,
Saxeitesh Kumar,
Sharma Aarti
Publication year - 2018
Publication title -
biofuels, bioproducts and biorefining
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.931
H-Index - 83
eISSN - 1932-1031
pISSN - 1932-104X
DOI - 10.1002/bbb.1879
Subject(s) - bagasse , polyhydroxyalkanoates , pulp and paper industry , sugar , substrate (aquarium) , chemistry , microbiology and biotechnology , waste management , food science , biology , engineering , bacteria , ecology , genetics
The present study examines the use of residual sugar from sugarcane bagasse for the production of polyhydroxyalkanoates (PHA), a class of biodegradable microbial polymers. To achieve this, 26 bacterial isolates were screened for PHA production. From the strains isolated, ART_MKT2E was found to produce PHA and was selected to discover its capability to use a bagasse‐based medium (BGM). To date, the lignocellulosic component of bagasse has been used as a substrate by treating bagasse with acids. This study demonstrates the use of residual sugar from bagasse as a substrate for PHA production. The concentration of bagasse filtrate was found to be optimum at 60%, along with yeast extract and additional salts (pH 7.0 ± 0.5). The maximum PHA production (w/w) was 55%. These results indicate the successful use of non‐lignocellulosic BGM. The remaining lignocellulosic component of bagasse could be fed as a substrate for another production process, promoting a sustainable, biobased economy. © 2018 Society of Chemical Industry and John Wiley & Sons, Ltd

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