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Plant-based food preservatives are the future of distribution

What if food preservatives were plant-based? The discovery is there, it is already two years old and now it is improving: it can change the food industry.

6 September 2020
Gianluca RiccioGianluca Riccio
⚪ 2 minutes
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sliced ​​fruit and vegetables

Photo by Juice dose on Unsplash

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In late 2018, a small but tenacious research group from Nanyang Technological University in Singapore discovered a plant-based food preservative. All the results of this muted study were published in January 2019 on Food Chemistry.

Since then, the team has been developing their findings further for the benefit of the food industry over the past two years. The main goal was to improve the efficacy and safety of these plant-based food preservatives, so that they can be used in all packaged food products.

Plant-based food preservatives
Professor Chen with his team

Plant-based food preservatives: how did they find them?

The research of the Singapore team (a nation far ahead in terms of food, just think of the extraordinary work on vertical gardens) focused on flavonoids.

Flavonoids are naturally occurring chemicals in plants such as onions, strawberries, cabbage, and grapes. They protect grass, fruit and vegetables from pathogens and parasites, and help give them brilliant colors.

The research group led by Professor William Chen, the research team engineered brewer's yeast to make flavonoids from plants. Natural but special flavonoids with great antimicrobial and antioxidant properties.

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During testing, the scientists found that the resulting plant-based food preservatives "kept the samples fresh for two days without refrigeration. This makes them superior to commercial grade artificial food preservatives."

What future for plant-based food preservatives?

Such a discovery is successful for many reasons. It generates a "virtuous" business that connects agronomy and the food chain without going through chemistry. Preserves food naturally, and also shortens the supply chain.

For example, plant-based food preservatives necessary for the preservation of the goods can also be produced in the same vegetable and vegetable collection site.

What else to add? A biodegradable and vegetable packaging, and we're good to go.

Tags: foodstorage


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Concrete guide for those approaching this artificial intelligence tool, also designed for the school world: many examples of applications, usage indications and ready-to-use instructions for training and interrogating Chat GPT.

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