One food’s waste is another food’s protector


One food’s waste is another food’s protector

Huge amounts of pulp, seeds and skin end up in landfills when they could be used as natural preservatives

Lucas Nowicki

Citrus and grape byproducts could be used as natural food preservatives instead of being dumped, according to a new study at Stellenbosch University.

Chemical compounds in plants can preserve food quality by retaining flavour, texture and nutritional value.

This means plant waste has the potential to “provide an efficient, inexpensive, easily available and environmentally friendly platform for the production of natural food preservatives”, says Cletos Mapiye, from the animal sciences department at Maties...

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