15 Nov, 2021 @ 08:45
1 min read

Scientists in Spain’s Malaga create bioplastics made from tomato skins that decompose in seawater within a month

Tomatoes G0af88404d 1920

MALAGA scientists have created an alternative to petroleum-derived plastics using the remains of tomato skins.

Bioplastics produced from the remains of tomato skins, which decompose in just one month in the sea and have similar properties to those used in commercial packaging, have been created by researchers at the Institute of Subtropical and Mediterranean Horticulture ‘La Mayora’ (IHSM) in the Malaga municipality of Algarrobo.

The aim of these scientists was to create an alternative to petroleum-derived plastics, which though have excellent properties for food packaging, when they end up in the sea, take 450 years to degrade and cause vast problems for ocean flora and fauna.

IHSM researcher Jose Alejandro Heredia is working with cellulose to achieve the ideal bioplastic.

Cellulose is extracted in a purified form from the leaves, stems and skin of tomatoes that are discarded by the canning industry after making tomato sauces, or ketchup and can be transformed into a robust and transparent film with multiple applications such as food packaging, with the main advantage that it is biodegradable.

Unfortunately, according to Heredia, though cellulose would be a revolution for the environment and food sustainability, its commercial application is a long way off, as the plastics industry needs to be able to use the same machinery to make this change economically viable.

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Cristina Hodgson

Half English, half Spanish animal person. Cristina loves writing about all things fitness, travel and culture, she is also a script writer and novelist. When she's not typing away, you can find her enjoying outdoor sports somewhere off the beaten track in Andalucia. If you have a story get in touch! [email protected]

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