“Plant-based foods cannot replace meat”

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Professor Louise Fresco, president of the executive board of Wageningen University, says meat must be part of future diets.

Delivering her speech as keynote speaker at this year’s City Food Lecture, in London, Fresco warned that despite real environmental concerns, animals will still play a vital role in the food chains of the future.

The popular Dutch scientist, academic and broadcaster, called for a reduction in meat consumption to around three times a week, as well as for fish, while suggesting that current meat alternatives and vegan products cannot yet replace the nutritional value of meat, nor its role in the food chain.

“Chickens and pigs can do something that we cannot also do: these animals can recycle our food waste… Eat an apple and you know you cannot eat 100 per cent of it. There is a tremendous amount of waste. Waste is far higher than we expected, based on the latest figures we leave as much as 500 calories per person worldwide, leftover, lost, damaged or not consumed.

“If we could use that to feed animals, that then provide us with other nutrients then we would be a lot better off.”

In contrast to widespread concerns about the effect of beef production on carbon emissions and biodiversity loss, Fresco said: “It wouldn’t be easy to do away with animals, you would still be left with lots of greenhouse gases.

“What we know now for the first time is that grasslands are a perfectly possible way to capture carbon and leave it in the soil. Not forests, forests do that when they are growing fast, but grasslands are a permanent way of capturing CO2.”

The rise of meat alternatives and plant-based products has been one of the biggest stories in the fresh produce industry, yet Fresco said they are no panacea to global food insecurity and health.

“If we don’t eat much fish and meat, where are the proteins coming from? Plants are not as easily digestible because they contain more fibres but we can substitute some of the animal protein in processed meat. About three quarters of the meat we eat is processed.

“All these vegan burgers have a big problem: they are ultra-processed. You have to use a lot of force to blend the beans in such a way to look like meat. You have to put in a lot of stabilising factors and colourings, and so on. So from a nutrition point of view it’s not a great solution.”

 

 

Ed Leahy

 

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