Papers

61,005 results
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Article Tier 2

Mollusk shells as marine bioactive materials: Composition, bioactivities, and prospects for food and health applications

Researchers reviewed the bioactive properties of marine mollusk shells, which are generated in large quantities as seafood processing waste. They found that shell-derived compounds exhibit antioxidant, anti-inflammatory, antimicrobial, and bone-building properties, supporting potential uses as natural calcium sources and functional food ingredients. The study highlights an opportunity to turn an abundant waste material into valuable health and food science applications.

2026 iScience 1 citations
Article Tier 2

Exploration of antioxidant and antimicrobial potential of prunus dulcis and arachis hypogaea shells extracts

Researchers explored the antioxidant and antimicrobial properties of almond and peanut shell extracts, finding that these agricultural waste products contain bioactive compounds with potential antibacterial, antifungal, and anti-inflammatory activities.

2023 International Journal of Health Sciences
Article Tier 2

Exploring Agricultural and Industrial Fruit-Based Waste/By-products for Eco-friendly Multifunctional Bio-based Food Packaging and Coating Materials

Researchers reviewed how agricultural and industrial fruit waste — including peels, seeds, and pomace — can be converted into multifunctional bio-based food packaging materials with demonstrated antimicrobial, antioxidant, and shelf-life-extending properties, while identifying scalability and regulatory alignment as key barriers to widespread adoption.

2026 Food and Bioprocess Technology
Article Tier 2

Valorization of Cork Stoppers, Coffee-Grounds and Walnut Shells in the Development and Characterization of Pectin-Based Composite Films: Physical, Barrier, Antioxidant, Genotoxic, and Biodegradation Properties

Researchers developed biodegradable composite films using pectin combined with waste materials from cork stoppers, coffee grounds, and walnut shells as a sustainable alternative to plastic packaging. The films showed antioxidant properties, were non-genotoxic, and biodegraded effectively in both soil and seawater within weeks. The study demonstrates that food industry and agricultural waste can be repurposed into functional, environmentally friendly packaging materials.

2024 Polymers 8 citations
Article Tier 2

Chitosan as a sustainable alternative for fresh food packaging: Structural insights, modification strategies, and innovations for commercial viability

Researchers reviewed how chitosan — a natural biopolymer derived from crustacean shells — can serve as a biodegradable alternative to single-use plastic food packaging, detailing chemical modification strategies, nanocomposite reinforcement approaches, and recent advances in antimicrobial and antioxidant performance that improve its commercial viability.

2025 International Journal of Biological Macromolecules 13 citations
Article Tier 2

An overview: exploring the potential of fruit and vegetable waste and by-products in food biodegradable packaging

Researchers reviewed how fruit and vegetable processing waste — rich in polyphenols, vitamins, and fiber — can be transformed into biodegradable food packaging films and coatings, offering an eco-friendly alternative to conventional plastic packaging. Repurposing food waste this way could simultaneously reduce plastic pollution (including microplastics from packaging degradation) and address agricultural waste disposal challenges.

2024 Discover Food 15 citations
Article Tier 2

Eco-friendly and safe alternatives for the valorization of shrimp farming waste

Researchers reviewed eco-friendly bioconversion strategies for valorizing shrimp farming waste — shells, heads, and wastewater — into high-value products including chitin, carotenoids, bio-nanomaterials, and nutraceuticals, arguing that microbial fermentation and enzymatic processing offer safer, more sustainable alternatives to chemical extraction methods.

2023 Environmental Science and Pollution Research 45 citations
Article Tier 2

Antibacterial properties of functionalized cellulose extracted from deproteinized soybean hulls

Researchers extracted cellulose from soybean hull byproducts and functionalized it with antimicrobial properties, demonstrating a pathway to upgrade an agricultural waste stream into a value-added antibacterial biomaterial.

2023 Cellulose 28 citations
Article Tier 2

Development of Eco-Friendly Packaging Films from Soyhull Lignocellulose: Towards Valorizing Agro-Industrial Byproducts

Researchers developed a biodegradable packaging film from soyhull waste, a byproduct of the soybean industry, as an alternative to petroleum-based plastics. The film showed good barrier and mechanical properties suitable for food packaging applications. This type of innovation is important because replacing conventional plastic packaging with biodegradable alternatives could reduce the generation of microplastics that contaminate food and the environment.

2024 Foods 15 citations
Article Tier 2

Low-Quality Coffee Beans Used as a Novel Biomass Source of Cellulose Nanocrystals: Extraction and Application in Sustainable Packaging

Researchers developed bio-based methylcellulose films reinforced with cellulose nanocrystals (CNCs) extracted from low-quality coffee beans as a sustainable alternative to petroleum-based plastic food packaging. The extracted CNCs showed needle-like morphology (~221 nm length), 65.75% crystallinity, and good thermal stability, providing a promising path to reduce microplastic accumulation in food chains.

2025 Resources
Article Tier 2

The Production of High-Added-Value Bioproducts from Non-Conventional Biomasses: An Overview

This paper is not relevant to microplastics research — it is a broad review of biomass valorisation from food-processing residues for producing bioproducts, focused on circular economy applications in the food and materials sectors.

2023 Biomass 11 citations
Article Tier 2

The Potential of Spent Coffee Grounds in Functional Food Development

This review explores whether spent coffee grounds, the leftover material after brewing coffee, could be used as a health-promoting food ingredient rather than being thrown away. Spent coffee grounds contain beneficial compounds like caffeine and antioxidants that may help protect against heart disease, cancer, and liver problems. While not directly about microplastics, repurposing this waste could reduce the millions of tons of coffee grounds sent to landfills each year, where they contribute to environmental pollution.

2023 Nutrients 79 citations
Article Tier 2

Seafood Waste-Based Materials for Sustainable Food Packing: From Waste to Wealth

This review examines how biopolymers derived from seafood processing waste — such as chitin and proteins from shells and fish byproducts — can be transformed into sustainable, biodegradable food packaging materials, supporting circular economy goals by converting waste streams into valuable products.

2022 Sustainability 33 citations
Article Tier 2

Extraction and Application in Sustainable Packaging

Researchers developed bio-based methylcellulose films reinforced with cellulose nanocrystals (CNCs) extracted from low-quality coffee beans as a sustainable alternative to petroleum-based plastic food packaging. The extracted CNCs showed needle-like morphology (~221 nm length), 65.75% crystallinity, and good thermal stability, providing a promising path to reduce microplastic accumulation in trophic chains.

2025 Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)
Article Tier 2

Exploring the Role of Chitosan in Fabricating Biodegradable Films for Functional Food Packaging: A Review

This review examines the use of chitosan — a biopolymer derived from crustacean shells — in fabricating biodegradable food packaging films, evaluating its mechanical, antimicrobial, and barrier properties as a sustainable alternative to conventional plastics.

2023 Journal of Young Pharmacists 7 citations
Article Tier 2

Effects of Particle Size on Physicochemical and Nutritional Properties and Antioxidant Activity of Apple and Carrot Pomaces

Researchers investigated how particle size affects the nutritional properties and antioxidant activity of apple and carrot pomace flours. The study found that reducing particle size altered the physicochemical characteristics and bioactive compound availability, suggesting these food processing by-products could be repurposed as functional food ingredients.

2024 Foods 18 citations
Article Tier 2

Development and Functionality of Sinami (Oenocarpus mapora) Seed Powder as a Biobased Ingredient for the Production of Cosmetic Products

Researchers characterized sinami (Oenocarpus mapora) seed powder from Amazonian agro-industrial waste for its proximal composition, phenolic content, and antioxidant activity, then developed a gel exfoliant cosmetic formulation using the seed powder as a novel biobased ingredient with high in vitro antioxidant capacity.

2023 Cosmetics 4 citations
Article Tier 2

Fungal chitosan in focus: a comprehensive review on extraction methods and applications

Researchers reviewed fungal-derived chitosan as a biodegradable plastic alternative for food packaging, highlighting advantages over marine-sourced chitosan — including lower mineral content, year-round supply, and reduced microplastic contamination risk — alongside advances in extraction techniques such as deep eutectic solvents and enzymatic processing.

2025 Food Research International 6 citations
Article Tier 2

Removal of emerging pollutants from water using enzyme-immobilized activated carbon from coconut shell

Researchers developed an enzyme-based system using activated carbon from coconut shells to remove pharmaceutical pollutants from water. By immobilizing the enzyme laccase onto the carbon, they created a material that could break down antibiotics and other drugs more effectively than the carbon alone. The approach offers a sustainable, low-cost method for treating water contaminated with emerging pharmaceutical pollutants.

2023 Journal of environmental chemical engineering 80 citations
Article Tier 2

Exhausted Grape Seed Residues as a Valuable Source of Antioxidant Molecules for the Formulation of Biocompatible Cosmetic Scrubs

Not relevant to microplastics — this study repurposes exhausted grape seed residues (waste from previous extractions) to create cosmetic exfoliating scrubs that release antioxidant phenolic compounds during use.

2023 Molecules 13 citations
Article Tier 2

Potential Routes and Innovative Technologies for Valorisation of Cassava Peels

This review examines various ways to convert cassava peel waste — a byproduct of food processing — into useful materials including biofuels, animal feed, and compost. While not directly about microplastics, finding value in agricultural waste can reduce reliance on plastic packaging and single-use materials. Better waste valorization practices also reduce the open burning and dumping that releases pollutants into the environment.

2021 Preprints.org 1 citations
Article Tier 2

Bacterial Cellulose Production within a Circular Economy Framework: Utilizing Organic Waste

This paper examines bacterial cellulose production using organic waste materials like coffee grounds, tea leaves, and food scraps as feedstock within a circular economy framework. Researchers found that bacterial cellulose produced from waste sources retains key material properties suitable for textile and other industrial applications. The study highlights the potential of this approach to reduce reliance on synthetic fibers and support more sustainable manufacturing practices.

2024 Polymers 14 citations
Article Tier 2

Thermal Properties Study of Recycled Espresso Coffee Capsules for Biocomposite Application

This study evaluated the thermal properties of recycled espresso coffee capsule waste for use in biocomposite applications, finding the material has suitable characteristics as a reinforcing filler. The research supports finding productive secondary uses for growing volumes of single-use plastic capsule waste.

2018 Proceedings of the 4th Brazilian Conference on Composite Materials 2 citations
Article Tier 2

Environmental and Economic Viability of Chitosan Production in Guayas-Ecuador: A Robust Investment and Life Cycle Analysis

Researchers evaluated the environmental and economic feasibility of producing chitosan, a biopolymer derived from shrimp shell waste, in Ecuador. They found that the process is financially viable and offers environmental benefits compared to disposing of shrimp waste, which is generated in enormous quantities by Ecuador's shrimp industry. The study suggests that converting seafood processing waste into valuable biopolymers could reduce both pollution and dependence on petroleum-based plastics.

2021 ACS Omega 120 citations