Please use this identifier to cite or link to this item: https://doi.org/10.3390/life11080807
Title: Recent advances in the biosynthesis of polyhydroxyalkanoates from lignocellulosic feedstocks
Authors: Vigneswari, Sevakumaran
Noor, Muhammad Shahrul Md
Amelia, Tan Suet May
Balakrishnan, Karthnee
Adnan, Azila
Bhubalan, Kesaven
Amirul, Al-Ashraf Abdullah
Ramakrishna, Seeram 
Keywords: Bacterial fermentation
Biopolymer
Lignocellulosic
Polyhydroxyalkanoates
Renewable carbon sources
Waste
Issue Date: 10-Aug-2021
Publisher: MDPI AG
Citation: Vigneswari, Sevakumaran, Noor, Muhammad Shahrul Md, Amelia, Tan Suet May, Balakrishnan, Karthnee, Adnan, Azila, Bhubalan, Kesaven, Amirul, Al-Ashraf Abdullah, Ramakrishna, Seeram (2021-08-10). Recent advances in the biosynthesis of polyhydroxyalkanoates from lignocellulosic feedstocks. Life 11 (8) : 807. ScholarBank@NUS Repository. https://doi.org/10.3390/life11080807
Rights: Attribution 4.0 International
Abstract: Polyhydroxyalkanoates (PHA) are biodegradable polymers that are considered able to replace synthetic plastic because their biochemical characteristics are in some cases the same as other biodegradable polymers. However, due to the disadvantages of costly and non-renewable carbon sources, the production of PHA has been lower in the industrial sector against conventional plastics. At the same time, first-generation sugar-based cultivated feedstocks as substrates for PHA production threatens food security and considerably require other resources such as land and energy. Therefore, attempts have been made in pursuit of suitable sustainable and affordable sources of carbon to reduce production costs. Thus, in this review, we highlight utilising waste lignocellulosic feedstocks (LF) as a renewable and inexpensive carbon source to produce PHA. These waste feedstocks, second-generation plant lignocellulosic biomass, such as maize stoves, dedicated energy crops, rice straws, wood chips, are commonly available renewable biomass sources with a steady supply of about 150 billion tonnes per year of global yield. The generation of PHA from lignocellulose is still in its infancy, hence more screening of lignocellulosic materials and improvements in downstream processing and substrate pre-treatment are needed in the future to further advance the biopolymer sector. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
Source Title: Life
URI: https://scholarbank.nus.edu.sg/handle/10635/233257
ISSN: 2075-1729
DOI: 10.3390/life11080807
Rights: Attribution 4.0 International
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