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Post: Cold Potatoes Are Actually Great for Gut Health

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Cold Potatoes Are Actually Great for Gut Health
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PeopleImages/Getty Images Cold potatoes may not be your usual dinner order, but certain experts would have it that the dish is among the best foods you could eat—at least where your gut health is concerned.

The reason cold potatoes are so beneficial to maintaining a healthy gut environment boils down to the type of starch they contain. Uncooked, white potatoes contain resistant starch, so called because it’s resistant to digestion . “Resistant starch is important to support many aspects of our health and wellness, from gut function, digestion and absorption of nutrients, to effective immune function,” says Maz Packham , nutritionist and founder of Nourishful Nutrition . This means it passes through your small intestine into your large intestine—or colon—intact and without being broken down by the body. Its nutritional benefits are then utilised by the bacterial microbes in your colon.

When potatoes are cooked (because no one should eat them raw), the resistant starch becomes active, meaning it’s treated by the body in a completely different way: turned into glucose and then absorbed. The twist? If potatoes are cooked and then left to cool, the active starch is turned back into resistant starch, in a process known as retrogradation.

When this starch reaches your large intestine it begins to ferment, which helps to create a wealth of good bacteria in your gut. As well as increasing the number of bacteria, it also acts like a prebiotic, by feeding the bacteria that already exist.

“Prebiotic foods are important to nourish and support the growth of beneficial bacteria in the gut such as lactobacillus and bifidobacteria,” explains Packham. “By helping to colonise the beneficial bacteria in our gut, we can help to reduce symptoms like bloating , constipation, or IBS-like symptoms.” If you consider that resistant starches and fermented fiber feed 90% of your cells (compared with most other foods that feed the remaining 10%), you’ll understand why it’s extremely beneficial to include it in your diet.

As well as improving the health of the environment in the large intestine, resistant starch impacts the body in other ways. Once digested by the bacteria, the starch […]

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