Nutrition

The best sources of protein to protect the heart

The consumption of meat protein is associated with an increase in cardiovascular risk, that of nut and seed protein with a reduced risk according to a study published in the International Journal of Epidemiology.

Dietary proteins differ depending on the sources, but so does their environment in nutrients and other bioactives. This makes it all the more complex to study their effects on health. The relationships between food and cardiovascular disease (CVD) often focus on lipids, hence the originality of this study conducted jointly by researchers from Loma Linda University (California) and the National Institute for Agricultural Research (INRA, Paris), which focused on the nature of proteins.

This study involves a cohort of 81,000 participants in the Adventist Health Study-2. After adjusting for different factors associated with CVD, including fat, the main results of the study show that:

– No association appears for proteins from cereals, processed foods or from the “fruits, vegetables and legumes” group.

– Proteins from nuts and seeds are associated with a reduction in cardiovascular risk of approximately 40%.

– Meat proteins, mainly red meats, are associated with an increase in cardiovascular risk of around 60%.

– Nothing appears for other sources of animal protein such as eggs, fish and dairy products.

The authors make it clear that these associations are not due to the fats associated with these foods, but do relate to the proteins.

A neutral effect of other vegetable protein sources

After fats, which have generally taken center stage in the relationship between food and CVD, this study therefore shows that proteins are also worth considering. The fact that only the “nuts and seeds” category appears to be protective, and not all vegetable proteins, is also an innovative element of this study.

Source

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Marion Tharrey: Patterns of plant and animal protein intake are strongly associated with cardiovascular mortality: the Adventist Health Study-2 cohort. International Journal of Epidemiology, Volume 47, Issue 5, 2018

[HighProtein-Foods.com]

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