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Could the humble tomato offer anti-ageing benefits for our skin?


Article by Fabafterfifty.

We are often told how the Mediterranean diet can offer health benefits, but now it would also appear that consuming tomatoes can help prevent sun induced skin damage as well. A good excuse to eat tomato based pasta sauces!

Tomatoes could be the new weapon in the fight against sun damage to the skin, research at the Universities of Newcastle and Manchester has revealed.

According to a new study eating tomato paste could help protect against sunburn and sun-induced skin ageing.

In the study, researchers compared the skin of 20 people, half of whom were given five tablespoons (55g) of standard tomato paste with 10g of olive oil every day, with the other half receiving just olive oil, over a period of 12 weeks.

The skin was exposed to ultraviolet (UV) light – which is found naturally in sunlight – at the beginning and end of the trial. The team found significant improvements in the skin’s ability to protect itself against UV in the group who had been eating tomato paste.

Potential reversal of the skin ageing process

Professor Lesley Rhodes, dermatologist at the University of Manchester, says, “The tomato diet boosted the level of procollagen in the skin significantly. These increasing levels suggest potential reversal of the skin ageing process. This is in addition to the significant reduction in sunburn.

“These weren’t huge amounts of tomato we were feeding the group. It was the sort of quantity you would easily manage if you eating a lot of tomato-based meals.

“People should not think that tomatoes in any way can replace sun creams, but they may be a good additive. If you can improve your protection through your diet then over several years, this may have a significant effect.”

Many of the harmful effects of UV light are due to the excess production of harmful molecules known as ‘reactive oxygen species’ which can damage important skin structures. Sun damage from UV exposure includes premature wrinkles and skin cancer.

The tomato’s key skin saving property is a powerful antioxidant called ‘lycopene’, which is able to neutralise or ‘quench’ the harmful molecules.

Lycopene is the bright red pigment found in a number of red fruit and vegetables, but with its highest levels in cooked tomatoes. As tomato paste contains a high concentration of cooked tomatoes, it is an ideal source of lycopene.

Compared to the control group, the group who had eaten the paste were found to have 33 per cent more protection against sunburn, which can lead to skin cancer. The researchers calculated the protection offered by the tomato paste to be equivalent to a sunscreen with a sun protection factor (SPF) of 1.3.

Boosting skin’s level of procollagen

By looking at the effects on skin ageing by studying skin samples taken from both groups, before and after trial, the Manchester team discovered that the tomato diet had boosted the skin’s levels of procollagen, a molecule which gives the skin its structure and loss of which leads to skin ageing and lack of elasticity.

Meanwhile, collaborators at Newcastle University found that the lycopene had reduced damage to mitochondrial DNA in the skin, which is also believed to be linked with skin ageing.

Professor Mark Birch-Machin, dermatology scientist from Newcastle University, says, “Eating tomatoes will not make you invincible in the sun, but it may be a useful addition to sun protection along with sunscreens, shade and clothing.

“The protective effect of eating tomatoes on our mitochondria is important as they are the energy producers in all our body cells including skin. Therefore being kind to our mitochondria is likely to contribute to improved skin health, which in turn may have an anti-ageing effect.”

Image: Freedigitalphotos.net

 

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Comments

  1. Jo Carroll

    December 30, 2012

    Might be great for the skin, but it plays havoc with my arthritis – all very well having the skin of a 20-year old if my knees are playing at being 70! (I’ve no idea of the science behind this – only know oranges, rhubarb and tomatoes are not off the diet. Shame, I like them all!)

  2. healthy food choices

    August 3, 2013

    Most of us tend to think that if we take more
    of a supplement we will actually be helping ourselves.
    The best way to prevent these things from running amok is to counter them with antioxidants which can neutralize
    free radicals. Melasma, the so-called “mask of pregnancy”, freckles and lentigines are typical epidermal hyperpigmentary disorders, while nevus of Ota and acquired
    bilateral nevus of Ota-like lesions are common dermal hyperpigmentary disorders.

  3. kunius.com

    August 3, 2013

    Resveratrol is a substance that is derived from the Japanese Knotweed, and is produced in other plants also as a response to stress and environmental challenges.
    Why is it important to have a daily intake
    of foods with lycopene. As a result, the patients who suffer from high cholesterol can
    eat more tomatoes in daily diets.

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