BusinessPotato Health BenefitsAntidiabetic Properties Found in Purple Potatoes

    Antidiabetic Properties Found in Purple Potatoes


    Plants with anthocyanins have antidiabetic properties, as stated in a review article from the Food Sciences unit of the University of Turku, Finland. Fruits, vegetables and tubers with red, purple and blue pigments have anthocyanins which reduce the risk of type 2 diabetes, according to a release.

    These red, purple and blue pigments are called anthocyanins. They can reduce the risk of diabetes by affecting energy metabolism, gut microbiota and inflammation. If the acyl group is added to the sugar moieties of anthocyanin causing it to be acylated, the effect of the anthocyanins on the type 2 diabetes is increased.

    Bilberries and mulberries contain mostly nonacylated anthocyanins, but high amounts of acylated anthocyanins are in purple potatoes, purple sweet potatoes, radishes, purple carrots and red cabbages. While acylated anthocyanins are not digested well, they contain probiotic properties and more efficiently reduce the risk of diabetes than when they are nonacylated.

    “The studies have shown that, in addition to changing physical and chemical properties, the acylation affects how the anthocyanins are absorbed and metabolised,” said Kang Chen, postdoctoral researcher at Food Sciences Unit, University of Turku, Finland.

    Compared to the nonacylated anthocyanins, the acylated anthocyanins are more effective antioxidants and can help to improve the intestinal barrier. This helps to allow better absorption of nutrients while also maintaining gut microbiota homeostasis. Acylated anthocyanins aid in the suppression of pro-inflammatory pathways and modulate glucose and lipid metabolisms.

    “The plant’s genotype defines what kind of anthocyanins they produce. In general, purple vegetables contain many acylated anthocyanins. Also, purple potatoes, especially the Finnish variety called ‘Synkeä Sakari,’ is abundant in acylated anthocyanins,” continued Chen.

    Moving from the upper gastrointestinal tract to the colon, acylated anthocyanins are metabolised by the gut microbiota. Different glucose transporters aid in absorption depending on if the anthocyanins are acylated or nonacylated. The different types of anthocyanins also differently impact metabolic enzymes.

    “The latest research has shown that the acylated and nonacylated anthocyanins can impact type 2 diabetes in different ways,” Chen said.

    Related Articles

    Purple Potatoes May Help Prevent Colon Cancer

    Study Finds Spuds Have No Impact on Type 2 Diabetes

    More Than Just a Purple Potato

    Trending This Week

    Tractor in freshly plowed potato field

    Prepping Your Potato Seed for Spring — Webinar and Podcast

    A good potato crop starts with good seed. If you don’t have quality seed then you’re holding back your crops potential. Should you cut...
    Seed potato storage

    Prepping Your Potato Seed for Spring

    What you need to keep in mind to get your potato seed ready for planting this spring. Experts Editor’s note: This interview has been edited for...
    Railway tracks

    CP Rail Purchase of Kansas City Southern Approved

    The purchase of Kansas City Southern Railway Company by Canadian Pacific Railway Limited has been approved by the United States Surface Transportation Board (STB) with conditions, a March 15 decision posted online said.
    Radish Cover Crop

    Servicing Your Soil through Cover Cropping

    Cover cropping is an important part of keeping your soil in good health. Soil is an important part of the farm, just as crucial as...
    Potato field in sunset

    New Study Finds How Potassium Fertilizers Impact Potatoes

    A new study testing potassium fertilizers has found how they impact potato quality, a March 22 news release said. In the study, led by Sarah...