Examine Claims Cooking with Further Virgin Olive Oil Retains Vitamins

In response to a Brazilian examine printed within the journal Traits in Meals Science & Expertise, utilizing additional virgin olive oil in cooking helps protect the vitamins in meals, making them more healthy.

Till lately, the fatty acids current in additional virgin olive oil had been thought to oxidize at greater temperatures because of its smoke level, the purpose at which the oils start to burn, smoke, and oxidize.

Researcher José Fernando Rinaldi de Alvarenga of the College of São Paulo (USP) analyzed information from greater than 90 scientific papers on nutrient loss from meals ready utilizing completely different applied sciences. The examine was carried out in partnership with scientists from the College of Barcelona, ​​Spain, supported by the Fundação de Amparo à Pesquisa do Estado de São Paulo (Fapesp).

They discovered that the smoke didn’t come from these fatty acids, however from minor parts of the oil. “Further virgin ‘tolerates’ greater temperatures like different oils,” Alvarenga stated in an interview with the USP Meals Analysis Heart (FoRC), the place he holds a Ph.D.

The product has a considerable amount of monounsaturated fat, recognized for his or her antioxidant potential. This makes the decomposition of olive oil slower in comparison with different oils, defending each the vitamins within the oil itself and within the meals.

“After we evaluate tomato stew with and with out oil, for instance, the quantity of lycopene could be decreased with out the presence of oil in the course of the cooking course of. Nonetheless, by utilizing additional virgin olive oil, we had been in a position to protect this compound, which is related to the prevention of prostate most cancers,” stated the researcher.

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Variations in cooking methodology

The researchers assessed nutrient degradation in a wide range of cooking strategies, together with oven, pan, deep frying, frying or simmering.

“We now have seen that the know-how that contributes probably the most to degradation is oven cooking, because it requires very excessive temperatures and really lengthy cooking instances,” explains Alvarenga.

(In response to Agência FAPESP)

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