Mediterranean diet boosts beneficial bacteria

Mediterranean diet boosts beneficial bacteria

Here’s another reason to eat a Mediterranean-type diet: It’s good for your gut.

Scientists at Wake Forest Baptist Medical Center found that eating a plant-based diet enhanced the good bacteria living in the gut by up to 7 percent as compared to only 0.5 percent from eating a more meat-centric, Western diet.

Using an animal model***, the research team designed the study to mimic human Western- and Mediterranean-type diets that could be controlled and analyzed over a sustained period of time.

Long-term diet studies involving people usually rely on self-reported dietary intake collected via questionnaires with nutrient intake only estimated, said the study’s lead author Hariom Yadav, Ph.D., assistant professor of molecular medicine and microbiology and immunology at Wake Forest Baptist.

The study findings are published in the April 25 online edition of the journal Frontiers in Nutrition.

In the pre-clinical study, non-human primates were randomized to either Western or Mediterranean diet groups and studied for 30 months. The Western diet consisted of lard, beef tallow, butter, eggs, cholesterol, high-fructose corn syrup and sucrose, while the Mediterranean diet consisted of fish oil, olive oil, fish meal, butter, eggs, black and garbanzo bean flour, wheat flour, vegetable juice, fruit puree and sucrose. The diets had the same number of calories.

At the end of the 30 months, Yadav’s team analyzed the gut microbiome – the good and bad bacteria that live in the gastrointestinal tract – in both diet groups through fecal samples. They found the gut bacteria diversity in the Mediterranean diet group was significantly higher than in the group that ate the Western diet.

“We have about 2 billion good and bad bacteria living in our gut,” Yadav said. “If the bacteria are of a certain type and not properly balanced, our health can suffer.

“Our study showed that the good bacteria, primarily Lactobacillus, most of which are probiotic, were significantly increased in the Mediterranean diet group.”

The data revealed in this study should be useful for further studies aimed at understanding the diet-microbiome-health interactions in humans, including obesity, type 2 diabetes, cardiovascular disease and psychiatric disorders, Yadav said.

SEE: Mediterranean Diet Prevents Adults From Becoming Frail

*** Natural Blaze does not support animal testing! This study could have easily been performed on a human panel and it is disgusting that animals were forced on an American diet and then killed, incinerated. 

DISCLAIMER: This article is not intended to provide medical advice, diagnosis or treatment.

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