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    "At SCOOP we don’t demand exclusivity and actively encourage farmers to find new and better markets for themselves." Pic: Cotswolds farmer by David George

    Paying farmers 75p for each £1 consumers spend on their produce

    A worker handles wheat delivered to a milling facility in Chouf, Lebanon. Pic: Hasan Shaaban/Bloomberg

    Bank of America: Food shocks will destabilise ESG

    "World leaders should see hunger as a global problem urgently requiring a global solution"

    The Economist: The coming food catastrophe

    Pollutants cited by the researchers as increasing obesity include BPA, which is widely added to plastics. Photograph: Jonathan Brady/PA

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    President Joe Biden has called for ideas to help end hunger

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    A pre-school age girl helps her parents pick out veggies in the produce section at the grocery store. She is reaching for a red pepper.

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    "At SCOOP we don’t demand exclusivity and actively encourage farmers to find new and better markets for themselves." Pic: Cotswolds farmer by David George

    Paying farmers 75p for each £1 consumers spend on their produce

    A worker handles wheat delivered to a milling facility in Chouf, Lebanon. Pic: Hasan Shaaban/Bloomberg

    Bank of America: Food shocks will destabilise ESG

    "World leaders should see hunger as a global problem urgently requiring a global solution"

    The Economist: The coming food catastrophe

    Pollutants cited by the researchers as increasing obesity include BPA, which is widely added to plastics. Photograph: Jonathan Brady/PA

    Environmental toxins worsen obesity pandemic

    President Joe Biden has called for ideas to help end hunger

    Call for ideas: White House seeks to end hunger in the US by 2030

    "People need time at point of sale to learn to eat in a way that protects the planet"

    Shifting to care – the benefits of being the most inconvenient supermarket

    A pre-school age girl helps her parents pick out veggies in the produce section at the grocery store. She is reaching for a red pepper.

    Exploding the five fat myths of ethical food

    if it seems too cheap, it is too cheap. There’s something wrong somewhere along the way.”

    ‘Why’s chocolate so cheap?’: Aussies call for transparency

    Ukraine could lack seeds for grain crops for years

    Ukraine could lack seeds for grain crops for years

    Grains of wheat pictured at a mill in Beirut, Lebanon, March 1, 2022. REUTERS/Mohamed Azakir

    IMF, World Bank, WFP and WTO urge coordinated action on food security

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    "At SCOOP we don’t demand exclusivity and actively encourage farmers to find new and better markets for themselves." Pic: Cotswolds farmer by David George

    Paying farmers 75p for each £1 consumers spend on their produce

    A worker handles wheat delivered to a milling facility in Chouf, Lebanon. Pic: Hasan Shaaban/Bloomberg

    Bank of America: Food shocks will destabilise ESG

    "World leaders should see hunger as a global problem urgently requiring a global solution"

    The Economist: The coming food catastrophe

    Pollutants cited by the researchers as increasing obesity include BPA, which is widely added to plastics. Photograph: Jonathan Brady/PA

    Environmental toxins worsen obesity pandemic

    President Joe Biden has called for ideas to help end hunger

    Call for ideas: White House seeks to end hunger in the US by 2030

    Signing ceremony of PAGES, in Brazil’s state with the highest poverty and food insecurity rates. Pic: IFAD/Tayna Abreu

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    The G7 announced no action to protect children from trafficking and forced labour. Children working in Benin. Pic: Degan Gabin

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Home Topics Health

Why scientists are intrigued by the food matrix

The way we digest and absorb nutrients better reflects a food’s potential health benefits

January 13, 2022
in In the news, Research
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Starch locked inside potato cells can be released when the cell walls are broken mechanically or through other processes.

Starch locked inside potato cells can be released when the cell walls are broken mechanically or through other processes.

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The BBC says emerging research suggests there are new ways to gauge a food’s nutritional value. It’s a concept known as ‘the food matrix’.

The term refers to a food’s physical structure, the way the molecules inside it interact, and how this interplay affects the way we digest and absorb nutrients. It’s thought the food matrix better reflects a food’s potential health benefits and contribution to our wellbeing than simply considering its nutrient content alone.

To understand the concept, it’s useful to think about food as ‘tasty structures’ that contain the molecules we need for energy, and to create and replace tissues, says José Miguel Aguilera, emeritus professor of chemical and food engineering at the Pontifical Catholic University of Chile.

“Molecules come embedded by nature in often complex functional microstructures that we cannot see, for example, inside cells as starch granules, or covered by a biological membrane as fat globules in milk,” he says. “During industrial food processing or cooking, we create new microstructures that further combine and hide food molecules due to mixing, shearing and heating. In food technology we call these special microstructural arrangements containing food molecules a food matrix.”

Research has shown that approximately 30 per cent fewer calories are absorbed from whole nuts than ground nuts, because the undigested fibre and fat passes through the body and is excreted. Some fat-soluble vitamins are lost in this process, but there are benefits to eating the nuts whole. They’re less calorific than many people realise, which is an advantage if you are watching your weight, and they feed your gut microbes.

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