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Marine-derived Bioplastics: Sustainable Solutions from the Ocean
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This review surveys marine-derived biopolymers—including chitosan from crustacean shells, polyhydroxyalkanoates from microorganisms, and algal biomass—as biodegradable, lower-carbon-footprint alternatives to petroleum-based plastics. Transitioning from conventional plastics to marine-derived bioplastics is directly relevant to reducing the long-term accumulation of persistent microplastic particles in ocean and freshwater ecosystems.
The world’s plastic pollution, resulting from over 500 mmt tons of fossil-fuel-based plastics produced annually, has become a pressing environmental challenge, necessitating sustainable solutions. The continuous increase in plastic production has underscored the urgency of adopting alternatives that are both eco-friendly and efficient. This review focuses on marine-derived biopolymers and bioplastics obtained from renewable resources such as marine algae, fishery by-products, and microorganisms. These materials are not only biodegradable under specific conditions but also exhibit lower carbon footprints and require less energy for production compared to conventional petroleum-based plastics. This review focuses on marine-derived biopolymers and biopolymers obtained from renewable resources such as marine algae, fishery by-products, and microorganisms. These materials are not only biodegradable under specific conditions but also exhibit lower carbon footprints and require less energy for production compared to conventional petroleum-based plastics. By using processes such as extracting chitin and chitosan from crustacean shells, fermenting microbial polymers like polyhydroxyalkanoates (PHA), and utilizing whole algal biomass, these marine-derived bioplastics show how innovation can drive sustainable manufacturing, turn waste into valuable resources, and support responsible stewardship of our oceans, offering hope in the fight against plastic pollution. Overall, this review illustrates how marine-derived bioplastics can drive innovation in sustainable manufacturing, waste valorization, and responsible resource management, offering a comprehensive perspective on their role in mitigating the global plastic pollution crisis.
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Marine-derived biopolymers as potential bioplastics, an eco-friendly alternative
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Researchers reviewed marine-derived biopolymers—including chitosan, carrageenan, and alginate—as biodegradable alternatives to petroleum-based plastics, demonstrating that these materials offer competitive mechanical and barrier properties while substantially reducing end-of-life environmental persistence.
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Researchers reviewed the development of marine-derived polymers — including algal, crustacean, and microbial biopolymers — as sustainable food packaging alternatives, evaluating their potential to replace conventional petroleum-based plastics that fragment into persistent ocean microplastics.
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This review examines bioplastics as potential substitutes for fossil-based plastics in the context of marine plastic pollution abatement, discussing biodegradable and decomposable plastic innovations alongside resource recovery strategies and circular economy approaches to plastic waste management.
Existing Scenario and Environmental Significance of Biodegradable Plastics: A Review for a Sustainable Future
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This review examines the current status of biodegradable plastics derived from renewable sources (starch, PLA, PHA), covering production methods, degradation behavior, and their real-world performance as alternatives to petroleum-based plastics in reducing landfill burden and marine microplastic pollution.
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Researchers reviewed the use of microalgae grown on wastewater as feedstock for polyhydroxyalkanoate (PHA) bioplastics, finding that this dual-purpose approach simultaneously treats nutrient-rich effluents and produces biodegradable polymers with competitive mechanical and chemical properties.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.