Understanding Type 2 Diabetes

Type 2 diabetes is a chronic condition that affects how the body processes blood sugar (glucose). It is characterized by high blood sugar levels due to insulin resistance or insufficient insulin production. The standard treatment includes dietary changes and medication, but many patients experience side effects from common medicines. This has led researchers to explore natural alternatives.

The Impact of Roots on Blood Sugar and Intestinal Bacteria

Danish scientists from the University of Southern Denmark, Odense University Hospital, and the University of Copenhagen have discovered that roots may have a beneficial effect on blood sugar levels and the intestinal microbiome. In a recent study, mice were given a diet with root powder, resulting in improved glucose control and a healthier intestinal microbiome compared to mice that did not consume roots. These findings suggest that roots can be a natural addition to existing treatments for type 2 diabetes.

The study involved mice with a form of type 2 diabetes induced by a fat-rich diet to mimic an unhealthy human lifestyle. The animals were divided into two groups: one received a diet enriched with 10% freeze-dried root powder, while the other group got a rootless diet. Both diets had equal calorie intake, ensuring that the only variable was the bioactive compounds in the roots.

Bioactive compounds are organic chemicals of biological origin that influence physiological processes. Many of them come from plants and fungi and can have both favorable and harmful effects on people. Some bioactive compounds from plants and fungi are used in medicines, while others are reportedly promoting health and prevent diseases. Their effects depend on operating mechanisms, biological availability and concentration in food, which can vary per crop, cultivation and processing.

The results showed that the mice that consumed carrot powder had better blood sugar control, measured via a glucose tolerance test. This test measures how well the body controls blood sugar levels after sugar consumption. Mice that ate roots had more stable blood sugar values than the control group.

Additionally, the composition of the intestinal microbiome improved in the root group. The intestinal microbiome consists of billions of microorganisms that play a crucial role in digestion and overall health. Mice that consumed roots showed a healthier balance of intestinal bacteria and an increase in bacteria that produce short-chain fatty acids (SCFAs). These fatty acids, which arise from the degradation of dietary fibers due to intestinal bacteria, help regulate energy metabolism and blood sugar levels and support intestinal health.

The researchers concluded, Everything we eat influences the composition of our intestinal bacteria. Eating carrots contributes to a healthier balance, which seems to be beneficial for mice with type 2 diabetes.

Why Do Roots Have This Effect?

Roots contain bioactive substances that improve the ability of cells to absorb sugar, contributing to more stable blood sugar levels. Two important compounds in this regard are falcarinol and falcarindiol. These substances are produced by the root to protect against fungal infections but also have antibacterial, anti-inflammatory, and potentially protective effects in humans. These bioactive substances belong to the polyacetylenes, a group of compounds that also occur in related vegetables such as parsley, celery, and parsnip. Ginseng contains similar compounds, known as Panaxynol and Panaxydiol.

Roots are also a rich source of beta-carotene, a precursor of vitamin A, and contain useful dietary fiber. They are rich in various phytochemicals, including carotenoids, isocoumarins, terpenes, and sesquiterpenes, which have been investigated in scientific studies for their potential health benefits in diseases such as cancer, cardiovascular disease, diabetes, colitis, eye diseases, and obesity.

Can Roots Also Help People with Diabetes?

Although the results in mice are promising, further research is needed to confirm the effects in humans. Clinical studies are essential but also precious and time-consuming. This study points to an interesting possibility: roots as a simple and natural way to support health. There are indications that roots can have a protective effect against certain forms of cancer. An earlier study on colon cancer suggests that 30-40 grams of raw or slightly boiled carrots per day can already have a beneficial effect.

What is the Best Way to Eat Carrots?

The way in which roots are prepared influences their nutritional value. Although some bioactive substances are lost when heating, even with long-term cooking or frying, active compounds remain. Eating raw or slightly boiled carrots seems to be the best way to maintain as many useful substances as possible.

Conclusion

While roots are not a replacement for medication, they show promising properties that can be beneficial for people with type 2 diabetes. Their effect on blood sugar and intestinal health opens the door to further studies and potentially new, natural treatment strategies.

Sources

• Morten Kobaek-Larsen, Sina Maschek, Stefanie Hansborg Kolstrup, Kurt Højlund, Dennis Sandris Nielsen, Axel Kornerup Hansen and Lars Porskjær Christensen (2024). Effect of Carrot Intake on Glucose Tolerance, Microbiota, and Gene Expression In A Type 2 Diabetes Mouse Model. Clinical and Translational Science. December 3, 2024.
• Ruyuf Alfurayhi, Lei Huang, Kirsten Brandt (2023). Pathways Affected by Falcarinol-Type Polyacetylenes and Implications for Their Anti-Inflammatory Function and Potential in Cancer Chemoprevention. Foods. Mar 11;12(6):1192.
• Chaparala A., Poudyal D., Tashkandi H., Witalison E.E., Chumanevich A.A., Hofseth J.L., Nguyen I., Hardy O., Pittman D.L., Wyatt M.D. (2020). Panaxynol, a bioactive component of American ginseng, targets macrophages and suppresses colitis in mice. Oncotarget;11:2026.