Many of the foods you prepare at home are likely to go through some processing, whether that be freezing, cutting, canning or cooking. Each act changes the chemistry of the food’s molecules in some way. However, ultra-processed foods are those that undergo industrial-style processes far exceeding what you can do in your own kitchen. They are the types of food that encourage excessive eating – ‘hyper palatable’ foods like ice cream, sausages and biscuits. Ultra-processed products often have more sugar and other ingredients that your brain can quickly become addicted to.
Natural foods, like fruit, can change in taste and consistency as they ripen and grow. However, ultra-processed foods often have added chemicals and artificial flavours that prolong their shelf life. Ultimately, ultra processed foods are designed for a palatable experience, with less consideration for the impact the product has upon entering the body. Heavily processed foods can be transformed into a large variety of products. In the meat industry, ultra-processing can assist in reducing waste, like scraps of meat that aren’t so easily removed from the bone.
Products like hot dogs include mechanically separated meat, which involves specialised machines that can retrieve otherwise discarded trimmings of chicken, beefor pork that are ground to an even consistency and blended together into a thick paste. Chemicals are added to evenly flavour the mixture and hold the paste together before the paste is used to fill long, thin cases – such as animal intestines – to mould into a sausage shape. Heat and additives remove much of the beneficial nutrients of the meat and colouring is often added to encourage people to eat it.
This story is from the Issue 190 edition of How It Works UK.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber ? Sign In
This story is from the Issue 190 edition of How It Works UK.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
Already a subscriber? Sign In
THE POWER OF WATER
We're hooked on fossil fuels. But hydroelectric power is becoming an increasingly important replacement for coal and oil
EXPLORING THE MOON'S CAVES
Earth's rocky neighbour is home to a network of unexplored caves, and scientists are keen to take a peek inside
HOW TO ELECT THE PRESIDENT
The campaigns, votes and elections that put someone in America's most powerful office
WHAT IS MORNING SICKNESS?
Why some pregnancies can cause nausea and vomiting
20 WEIRDEST SCIENCE MYSTERIES
From dark matter to deep-sea crabs, science still can't fully explain these strange quirks of nature
THE TRIANGULUM GALAXY SHINES IN A NEW HUBBLE IMAGE
A nearby galaxy is shining with star formation in a new image from the Hubble Space Telescope.
The world's fastest charger fully powers smartphones in five minutes
Scientists have revealed the fastest battery-charging technology in the world for smartphones, which can fully charge a smartphone in less than five minutes.
Real-time brain stimulation slashes Parkinson's symptoms by half in trials
Brain stimulation that rapidly adjusts in real-time can dramatically reduce Parkinson’s symptoms, an early trial suggests.
The hottest ocean temperature in 400 years threatens the Great Barrier Reef
The Great Barrier Reef is facing the hottest sea surface temperatures in four centuries.
Massive medieval coin hoard worth about 150 sheep' discovered
Archaeologists in Germany have unearthed over 1,500 medieval silver coins after a citizen noticed what looked like ‘small metal plates’ while digging during a construction project.