Cooking with vegetable oils releases toxic chemicals linked to cancer and other diseases, according to leading scientists,

The Telegraph

Cooking with vegetable oils releases toxic cancer-causing chemicals, say experts

Scientists warn against the dangers of frying food in sunflower oil and corn oil over claims they release toxic chemicals linked to cancer

 Oils made of sunflower seeds, soya beans, corn and palm are worse for health than butter, lard and olive oil, research has shown Rex

 

 

 

By Robert Mendick, Chief Reporter

8:13PM GMT 07 Nov 2015

Cooking with vegetable oils releases toxic chemicals linked to cancer and other diseases, according to leading scientists, who are now recommending food be fried in olive oil, coconut oil, butter or even lard.

The results of a series of experiments threaten to turn on its head official advice that oils rich in polyunsaturated fats – such as corn oil and sunflower oil – are better for the health than the saturated fats in animal products.

Scientists found that heating up vegetable oils led to the release of high concentrations of chemicals called aldehydes, which have been linked to illnesses including cancer, heart disease and dementia.

Martin Grootveld, a professor of bioanalytical chemistry and chemical pathology, said that his research showed “a typical meal of fish and chips”, fried in vegetable oil, contained as much as 100 to 200 times more toxic aldehydes than the safe daily limit set by the World Health Organisation.

“The human brain is changing in a way that is as serious as climate change threatens to be"

Professor John Stein, Oxford University’s emeritus professor of neuroscience

 

In contrast, heating up butter, olive oil and lard in tests produced much lower levels of aldehydes. Coconut oil produced the lowest levels of the harmful chemicals.

Concerns over toxic chemicals in heated oils are backed up by separate research from a University of Oxford professor, who claims that the fatty acids in vegetable oils are contributing to other health problems.

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Vegetable oils contain 'toxic' chemical linked to cancer and brain degeneration, say scientists

The new research contradicts advice from the NHS not to cook with butter

• Jess Staufenberg
• Sunday 8 November 2015

 

 

 Scientists said meal fried in vegetable oil such as fish and chips contains 100 to 200 times more aldehydes than the daily limit set by the World Health Organisation (WHO).

Cooking with vegetable oil releases toxic chemicals linked to cancer and even the degeneration of the brain, according to experts.

Lard, butter, coconut and olive oil are all better dietary choices, leading scientists have said - in advice which directly contradicts the NHS.

When heated, corn, sunflower, palm and soya bean oils - often called "vegetable" oils -  release chemicals called aldehydes which have been linked to various cancers and neurogenerative diseases such as Alzheimer's.

Martin Grootveld, a professor of bioanalytical chemistry and chemical pathology at DeMontfort University,said that a meal fried in vegetable oil such as fish and chips contains 100 to 200 times more aldehydes than the daily limit set by the World Health Organisation (WHO), according to the Daily Telegraph.

Using butter, olive and lard in the frying pan, however, was found to produce much lower levels of aldehydes - with coconut oil coming out as healthiest.



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