Pilot-scale production of fiber-based trays from horticultural residues as sustainable packaging for ready-to-eat foods

Rincón, Esther; Espinosa, Eduardo; Morcillo-Martín, Ramón; Lucena, Andrea; González, Zoilo; Rodríguez, Alejandro

doi:10.1007/s13399-023-05005-y

Biomass Conv. Bioref.

2023

DOI: 10.1007/s13399-023-05005-y

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Pilot-scale production of fiber-based trays from horticultural residues as sustainable packaging for ready-to-eat foods

Esther Rincón,

Eduardo Espinosa,

Ramón Morcillo-Martín

et al.

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2024

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Cited by 2 publications

References 27 publications

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Thermoformed Fiber-Polyethylene Biocomposites: A Circular Food Packaging on Cherry Tomatoes

Morcillo-Martín,

Rabasco-Vílchez,

Jiménez-Jiménez

et al. 2024

Food Bioprocess Technol

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Current European food packaging legislation requires exploring new alternatives to respond the challenges that lie ahead. Using sustainably sourced biomass, such as pruning residues, has significant potential for creating sustainable packaging. Avocado pruning fiber (10–40%) together with bio-polyethylene was used to produce biocomposites by thermoforming technology. The materials were evaluated for food contact suitability. Adding avocado pruning fiber to biopolyethylene improved processability, producing functional trays with up to 30% fiber. The biocomposites reduced S. aureus and L. monocytogenes adhesion, especially with 20% fiber, and enhanced antioxidant activity, reaching 17.82% SA/cm2 with 40% fiber. Soil degradation tests showed a 23% reduction for 40% fiber samples after 91 days. Migrations within the limits for hydrophilic, acidic, and fatty foods were obtained for samples containing up to 20% fiber. Cherry tomatoes stored in bio-based trays demonstrated comparable or superior preservation to commercial high-density-polyethylene trays, with reduced fungal growth, lower weight loss, and better color retention.

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Thermoformed Fiber-Polyethylene Biocomposites: A Circular Food Packaging on Cherry Tomatoes

Morcillo-Martín,

Rabasco-Vílchez,

Jiménez-Jiménez

et al. 2024

Food Bioprocess Technol

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Upcycling of agricultural residues for additive manufacturing: corn straw waste as reinforcing agent in acrylonitrile-butadiene-styrene composite matrix

Carmona-Cabello,

Herreros,

Molero

et al. 2024

Biomass Conv. Bioref.

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More than 1.2 billion tonnes of corn straw wastes (CSW) are generated worldwide each year. CSW is a fibrous, inexpensive, light material which is highly available. Currently, there are no pathways to manage such amount of CSW, being mainly burned in open field, with the environmental impact that this entails. In this work, the upcycling of CSW as a reinforcement material to be integrated in acrylonitrile-butadiene-styrene (ABS) composite matrix for additive manufacturing applications is proposed. ABS+CSW composite material has been used to manufacture 3D printing filaments, aiming to fabricate products via fused filament fabrication techniques. Standardized tensile and flexural test specimens were manufactured incorporating different contents of CSW (ranging from 1 to 5%, w/w) and glycerol (1%, w/w) to ABS: B1-1% (sample with 1% (w/w) of CSW), B2-3% (sample with 3% (w/w) of CSW), and B3-5% (sample with 5% (w/w) of CSW). The maximum tensile stress of the composites slightly increased by 1.3% (for B1-1%), exceeding 10% when B1-3% was used, compared to ABS. Moreover, it decreased to −3% for the specimen made with B3-5. In general terms, the higher the biomass content, the higher the flexural stress. However, the exception was provided by B1-1%, as the flexural stress decreased by 5% compared to ABS. The maximum flexural stress value was reached at 3% SCW, providing a value above 17%, compared to ABS and above 24%, compared to B1-1%. Furthermore, the incorporation of CSW into the ABS matrix resulted in lighter 3D printing filament materials and products compared to the use of ABS.

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Pilot-scale production of fiber-based trays from horticultural residues as sustainable packaging for ready-to-eat foods

Cited by 2 publications

References 27 publications

Thermoformed Fiber-Polyethylene Biocomposites: A Circular Food Packaging on Cherry Tomatoes

Thermoformed Fiber-Polyethylene Biocomposites: A Circular Food Packaging on Cherry Tomatoes

Upcycling of agricultural residues for additive manufacturing: corn straw waste as reinforcing agent in acrylonitrile-butadiene-styrene composite matrix

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