Sunflower Jerusalem artichoke (Helianthus tuberosus)

Other names: Jerusalem artichoke, Jerusalem artichoke, Jewish potato, Sunroot

The Jerusalem artichoke, also known as Helianthus tuberosus, Jerusalem artichoke, sunflower, sunroot, or even the Jewish potato, is an important and often overlooked plant native to North America. This lesser-known relative of the popular ornamental sunflower is especially valued for its underground tubers, which are an important source of inulin, a specific type of fibre that is not digested by the human body but serves as food for the so-called good bacteria in our gut.

Topinambur, despite its low popularity, is used in many products, especially in the food industry. Its tubers are slightly sweet with a nutty taste when cooked, making them suitable for soups, purees, salads or can be prepared like potatoes - baked, boiled or fried. In its raw state, Jerusalem artichokes can be used in vegetable salads. The high inulin content makes Jerusalem artichokes suitable for diabetics as they do not raise blood sugar levels. Apart from its food uses, Jerusalem artichokes are also used medicinally, for example to treat digestive problems, but also in cosmetics. The tubers also contain ethanol, so they are also used to produce biofuel. Finally, thanks to its beautiful yellow flowers, Jerusalem artichoke is also popular for its decorative use.