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Resistente Stärke: Was das Abkühlen stärkehaltiger Lebensmittel verändert

Resistente Stärke in Reis, Kartoffeln und Pasta: mögliche Effekte von Kochen und Abkühlen, Grenzen und Vorsicht.

Von Claire Mercier · Nutritionist, MSc8 Min. LesezeitVeröffentlicht am 11.09.2026
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11.09.2026
Resistente Stärke: Was das Abkühlen stärkehaltiger Lebensmittel verändert

Resistente Stärke is not a miracle ingredient. It is a fraction of starch that partly escapes digestion in the small intestine. Some can form when starchy foods are cooked and then cooled. The useful question is what this technique changes—and what it does not.

01

1. What cooling really changes

As a cooked starchy food cools, part of its structure reorganizes. This fraction is called resistant starch. The amount varies with the food, cooking method and serving temperature.

02

2. Which foods are involved?

The effect is mainly studied in cooked-and-cooled potatoes, rice and pasta. Some legumes, grains and unripe bananas naturally contain resistant starch. Chasing the highest value is unnecessary; variety and individual tolerance matter more.

SituationMain takeawayLimit
Cooked then cooled potatoIn one laboratory study, cooled samples had more resistant starch than hot samples.Laboratory result, not a clinical promise.
Cooked then cooled riceA study in people with type 1 diabetes observed a lower post-meal glucose rise.Hypoglycaemia risk increased with a standard insulin dose.
Legumes and grainsThey can contribute fibre and resistant starch.Amount depends on food and preparation.
03

3. A simple kitchen method

Cook a normal portion of rice, potatoes or pasta, cool it promptly, and store it in the refrigerator in a suitable container. Eat it cold or reheat it. This is an option, not a nutritional requirement. Follow normal food-safety rules and do not leave cooked food at room temperature for long.

04

4. What can be said about blood glucose

Results are not interchangeable. A study in people with type 1 diabetes found a lower post-meal rise after cooled rice, but also more hypoglycaemia with a standard insulin dose. This does not establish the same effect in people without diabetes and does not justify changing treatment.

05

5. What if digestion reacts badly?

Resistente Stärke ferments more slowly than FODMAPs, but it can still be poorly tolerated. In some people with a sensitive gut, a rapid increase may worsen gas, bloating or pain. Reduce the amount, return to a familiar preparation and progress more gradually. Seek professional advice if symptoms persist.

06FAQ

01Must rice or potatoes always be cooled? No. Cooling is an option, not a condition for a balanced diet. Starchy foods can be eaten hot; wholegrain choices and potatoes with skin can also contribute fibre.
02Does reheating cancel the effect? Not necessarily, but the effect depends on the food, cooking and cooling. Studies do not support one universal time or temperature rule.
03Is this a diabetes treatment? No. One study does not replace medical care or justify changing insulin or medication.
07

Sources

  1. 01Harvard Health Publishing, 2025 — https://www.health.harvard.edu/diet-and-nutrition/resistant-starch-can-you-make-the-carbs-you-eat-a-little-healthier
  2. 02PubMed / Food Chemistry, 2016 — https://pubmed.ncbi.nlm.nih.gov/27132853
  3. 03Nutrition & Diabetes / PubMed Central, 2022 — https://pmc.ncbi.nlm.nih.gov/articles/PMC9013350/
  4. 04Monash FODMAP, 2016 — https://www.monashfodmap.com/blog/dietary-fibre-series-resistant-starch/
  5. 05NHS, 2025 — https://www.nhs.uk/live-well/eat-well/food-types/starchy-foods-and-carbohydrates/

Quellen

Peer-reviewte Studien und institutionelle Referenzen für diesen Artikel.

  1. 1Harvard Health Publishing· 2025
    Andere QuelleBegrenzt

    adultes, synthèse grand public

    Quelle ansehen
  2. 2NHS· 2025
    Offizielle LeitlinieGesichert

    population générale

    Quelle ansehen
  3. 3Nutrition & Diabetes / PubMed Central· 2022
    Randomisierte kontrollierte StudieBegrenzt

    personnes vivant avec un diabète de type 1

    Quelle ansehen
  4. 4PubMed / Food Chemistry· 2016
    Andere QuelleBegrenzt

    pommes de terre de trois variétés commerciales, analyse en laboratoire

    Quelle ansehen
  5. 5Monash FODMAP· 2016
    Andere QuelleBegrenzt

    information clinique sur les fibres et le SII

    Quelle ansehen

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Claire Mercier

Registered nutritionist focused on whole-food diets and metabolic health.

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