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Elaboration of germinable bioplastic based on corn olot
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Researchers developed a germinable bioplastic from corn cob waste as a biodegradable alternative to conventional plastic materials. The bioplastic can both degrade and support plant germination when placed in soil, offering a sustainable alternative that avoids generating persistent microplastic fragments.
The present work was developed within the facilities of the Instituto Tecnológico Superior de Poza Rica, said research work aims to develop a germinable bioplastic based on corn cob, which will reduce environmental contamination, generating a biodegradable and germinable product at the same time. time. The elaboration of the bioplastic was carried out taking into account the methodology described by Guzmán (2013) using cob powder instead of corn starch and with an additional input, gelatin. In this way, 10 tests were carried out, starting from procedure 1 in which 5 tests were carried out, from which it is concluded that the prototypes presented curves and breaks in their structure, and have even reduced their dimensions. Likewise, for procedure 2, 3 tests are carried out where it is obtained that if there has been a resistance to perforation (there is no fracture) and there has been a decrease in its size.
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This mini-review examines the potential of corn waste—including husks, stalks, and cobs rich in cellulose, hemicellulose, and lignin—as a feedstock for biodegradable films to replace petroleum-based plastics. Corn waste films produced through casting and extrusion methods show mechanical and barrier properties comparable to conventional plastics with significantly faster biodegradation, and show promise for packaging and agricultural applications.
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Cellulose extracted from corn cob agricultural waste was successfully used to produce biodegradable bioplastic films via solvent casting, with a cellulose yield of 53.1% and biodegradation within 21–35 days under composting conditions. Corn cob-derived bioplastics demonstrate a viable circular economy pathway for replacing petroleum-based plastics in packaging applications, directly addressing the source of the microplastic pollution that fragments from conventional plastic packaging waste.
Corncob-derived biodegradable packaging films: A sustainable solution for raspberry post-harvest preservation
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Researchers developed biodegradable packaging films from corncob waste that preserved raspberries significantly longer than conventional polystyrene packaging. The films biodegrade in soil within 29 days, offering a sustainable alternative that could reduce microplastic contamination from food packaging. This matters because plastic food packaging is a known source of microplastic and nanoplastic migration into food.
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Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.