The tuber of a sunflower species (Helianthus tuberosus). Above ground the plant resembles a sunflower, to which it is related.
Jerusalem artichoke for dogs
Jerusalem artichoke is the tuber of a sunflower species (Helianthus tuberosus). Its particularity: it does not store starch but inulin, a soluble dietary fibre.
Jerusalem artichoke » a sunflower with a tuber
The plant comes from North America and reached Europe in the 17th century, where it was for a time more widespread than the potato. Above ground it resembles a sunflower, to which it is indeed related. Below ground it forms tuberous runners.
Its German name goes back to a misunderstanding: it derives from the Brazilian Tupinambá people, although the plant originates from North America.
Inulin instead of starch
The decisive difference from the potato lies in the storage substance. Potatoes store starch, which is split into glucose in the small intestine. Jerusalem artichoke stores inulin instead, a chain of fructose units for which the body has no matching enzymes. Inulin therefore counts among the soluble dietary fibres.
What Jerusalem artichoke is valued for in your dog's diet
The inulin in the tuber is a prebiotic fibre that gut bacteria use as food.
Besides inulin, Jerusalem artichoke provides potassium and other minerals, so as a whole tuber it offers more than just fibre.
Why harvest time and drying matter
The inulin content of a tuber is not constant. It is highest in autumn and decreases over the winter, because the plant gradually converts the inulin into simpler sugars. The harvest time therefore directly determines how much fibre ends up in the powder.
Drying plays a part too: inulin is heat-sensitive and likewise breaks down into shorter sugar chains at high temperatures.
Origin and quality
We have worked with the same regular suppliers for many years. Their goods are tested for residues and are additionally examined by independent laboratories before they go into production.
Where we use Jerusalem artichoke
Jerusalem artichoke is an ingredient of DOG FIT by PreThis® VITAL gastro.
Frequently asked questions about Jerusalem Artichoke
The storage substance. Potatoes store starch, Jerusalem artichoke stores inulin, a chain of fructose units.
A soluble dietary fibre. The body has no enzymes to split it, so it provides hardly any usable energy.
It is highest in autumn and decreases over the winter, because the plant gradually converts inulin into simpler sugars. The harvest time therefore plays a part.
We have worked with the same regular suppliers for many years. Their goods are tested for residues and are additionally examined by independent laboratories before they go into production.
Feel free to take a look at our large FAQ overview or write to us at service@dog-fit.com. You can reach us by phone on the Germany hotline 0800 790 790 9 or from abroad on +49 3221 322 210 0.
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Veterinary Expertise at the Heart of Our Team
Dr. Sibylle Ott, MD, veterinarian, plays a central role in our team at DOG FIT by PreThis®. As an experienced veterinarian with naturopathic expertise, she contributes significantly to the development of our products. Her experience and deep understanding of dogs' needs flow into many of the formulas we create. She is a valuable asset to our team and to the well-being of many dogs.
This content is for information only and does not replace advice from a vet. Our products are complementary feed for dogs. They do not replace a veterinary examination or treatment. If your dog has any health problems, please contact your vet.