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Article

Production of Biodegradable Polymer from Agro-Wastes in Alcaligenes sp. and Pseudomonas sp.

1
Department of Microbiology, PSGVP Mandal’s, Arts, Science and Commerce College, SHAHADA, Maharashtra 425 409, India
2
Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11564, Saudi Arabia
3
Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan 45142, Saudi Arabia
4
Institute of Bioproduct Development (IBD), Universiti Teknologi Malaysia (UTM), Skudai, Johor Bahru 81310, Malaysia
5
City of Scientific Research and Technology Applications, New Burg Al-Arab, Alexandria 21934, Egypt
*
Author to whom correspondence should be addressed.
Academic Editors: Agnieszka Saeid and Dimitrios Bikiaris
Molecules 2021, 26(9), 2443; https://doi.org/10.3390/molecules26092443
Received: 15 March 2021 / Revised: 30 March 2021 / Accepted: 13 April 2021 / Published: 22 April 2021
The present study was aimed to evaluate the suitability of agro-wastes and crude vegetable oils for the cost-effective production of poly-β-hydroxybutyrate (PHB), to evaluate growth kinetics and PHB production in Alcaligenes faecalis RZS4 and Pseudomonas sp. RZS1 with these carbon substrates and to study the biodegradation of PHB accumulated by these cultures. Alcaligenes faecalis RZS4 and Pseudomonas sp. RZS1 accumulates higher amounts of PHB corn (79.90% of dry cell mass) and rice straw (66.22% of dry cell mass) medium respectively. The kinetic model suggests that the Pseudomonas sp. RZS1 follows the Monod model more closely than A. faecalis RZS4. Both the cultures degrade their PHB extract under the influence of PHB depolymerase. Corn waste and rice straw appear as the best and cost-effective substrates for the sustainable production of PHB from Alcaligenes faecalis RZS4 and Pseudomonas sp. RZS1. The biopolymer accumulated by these organisms is biodegradable in nature. The agro-wastes and crude vegetable oils are good and low-cost sources of nutrients for the growth and production of PHB and other metabolites. Their use would lower the production cost of PHB and the low-cost production will reduce the sailing price of PHB-based products. This would promote the large-scale commercialization and popularization of PHB as an ecofriendly bioplastic/biopolymer. View Full-Text
Keywords: biodegradable plastic; biodegradation; characterization; extraction; kinetics; production biodegradable plastic; biodegradation; characterization; extraction; kinetics; production
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MDPI and ACS Style

Sayyed, R.Z.; Shaikh, S.S.; Wani, S.J.; Rehman, M.T.; Al Ajmi, M.F.; Haque, S.; El Enshasy, H.A. Production of Biodegradable Polymer from Agro-Wastes in Alcaligenes sp. and Pseudomonas sp. Molecules 2021, 26, 2443. https://doi.org/10.3390/molecules26092443

AMA Style

Sayyed RZ, Shaikh SS, Wani SJ, Rehman MT, Al Ajmi MF, Haque S, El Enshasy HA. Production of Biodegradable Polymer from Agro-Wastes in Alcaligenes sp. and Pseudomonas sp. Molecules. 2021; 26(9):2443. https://doi.org/10.3390/molecules26092443

Chicago/Turabian Style

Sayyed, R. Z., S. S. Shaikh, S. J. Wani, Md Tabish Rehman, Mohammad F. Al Ajmi, Shafiul Haque, and Hesham Ali El Enshasy. 2021. "Production of Biodegradable Polymer from Agro-Wastes in Alcaligenes sp. and Pseudomonas sp." Molecules 26, no. 9: 2443. https://doi.org/10.3390/molecules26092443

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