Chestnuts and histamine: From nutritional content to tolerability – your guide to edible chestnuts

Chestnuts are a delicious and nutritious delicacy often associated with the colder season and cozy autumn evenings. These edible chestnuts are not only incredibly tasty but also very nutrient-rich and offer many health benefits. You will find out exactly what makes chestnuts so special and whether they are suitable for a low-histamine diet or whether they tend to be among the more histamine-rich foods in the following blog article.

Chestnuts in general: Origin, appearance & taste

Originally, sweet chestnuts come from the area around the Black Sea. Today, however, they are mainly grown in Italy, Spain, and Southern France. The sweet chestnut, which is related to the oak and can live for up to 500 years, grows to an average height of between 15 and 30 m. Its long, veined leaves have jagged edges and are dark green. There are over 100 different types of chestnuts. They often grow in dense clusters. The fruits sit in groups of two or three at the stem end of the leaves. As a rule, the trees begin to bear fruit after 40–60 years. Chestnuts are enclosed in spiky husks. Each one contains a wrinkled, caramel-colored kernel, which is covered by a thin, brownish skin. The fruits are protected by a hard, indigestible, reddish-brown shell. This shell is also called the "pericarp." Seasonally, you can buy chestnuts in supermarkets from September to December. Their taste is pleasantly sweet, nutty, and slightly floury.

Nutrient content and health benefits of chestnuts

The carbohydrates contained in chestnuts consist of approx. 40% starch, with sweet chestnuts having twice as much starch as potatoes. Raw, they are rich in vitamin C, potassium, folic acid, copper, vitamin B1, vitamin B6, and magnesium. Cooked, however, they contain plenty of potassium, vitamin C, copper, magnesium, folic acid, vitamin B1, vitamin B6, and some iron and phosphorus.

It should also be mentioned here that chestnuts do not contain gluten. Therefore, those affected by celiac disease can safely consume the fruits as well as flour or baked goods made from them, as they are gluten-free.

Chestnuts and histamine: How well-tolerated are sweet chestnuts?

Fortunately, thanks to their low histamine content, chestnuts are excellently suited for a low-histamine diet. Nevertheless, it is recommended to buy chestnuts as fresh as possible, as these usually have a lower histamine content than peeled or processed chestnuts.

Chestnuts are suitable for the following dietary forms:

·      low-histamine diet

·      low-fructose diet

·      gluten-free diet

·      lactose-free diet

·      low-sorbitol diet

·      low-salicylate diet

·      low-nickel diet

Purchasing and storing chestnuts for histamine-sensitive individuals

As mentioned above, chestnuts should ideally be purchased as fresh as possible. Freshness can be recognized by the fact that the chestnuts look plump and shiny and the shell appears intact. At home, you can easily test the freshness by placing the chestnuts in a bowl of lukewarm water. If they sink to the bottom, they are fresh, and if they float, you should avoid eating them.

Compared to other nuts, chestnuts cannot be stored for long. Even if it is not visible from the outside, the delicious interior loses significant flavor and becomes tough after just a few days. It is recommended to prepare chestnuts shortly after purchase, as they can only be stored for about a week. However, if you need the chestnuts at a later date, you can also easily freeze them.

Preparing chestnuts in a low-histamine kitchen

Whether cooked over an open fire, in the oven, or in the microwave – hot chestnuts simply taste excellent plain or with a little butter and salt. You can also serve them wonderfully as a side dish or pureed as a soup.

Below we have a tip for you on how best to prepare chestnuts in the oven:

To remind you of the typical roasted taste from the Christmas market, you can score the chestnuts crosswise on the top with a sharp knife, then place them on a baking tray and bake for approx. 15 to 20 minutes. You will know the chestnuts are ready when the shell has burst.

Flavorful accompaniment for autumnal chestnut dishes

Chestnuts with their mild, nutty taste are particularly effective in soups and hearty autumn dishes. For the right seasoning, you can use our organic vegetable broth.

It contains no yeast, garlic, or onions and is suitable for a low-histamine & low-fructose diet. In addition, it is gluten-free, lactose-free, and vegan, consists of 100% organic ingredients, and contains no unnecessary additives.

Our organic vegetable broth is also suitable for a low-FODMAP diet and can be used in a versatile way for seasoning soups, stews, vegetable dishes, and many other hearty recipes.

Delicious low-histamine recipes with chestnuts

In keeping with the theme, you will find some delicious recipes with chestnuts as an ingredient below.

Chestnut and Celery Soup:

The recipe is: low-histamine, gluten-free, vegetarian

You will need the following ingredients for 2 servings:

·      100g celeriac

·      120g potatoes (approx. 2 pieces)

·      1 medium onion (1)

·      150g chestnuts

·      2 tbsp roasting olive oil

·      1/2 tbsp HistaFood Organic Vegetable Broth

·      2–3 stalks of parsley

·      50ml heavy cream

·      salt

Our tip: You can serve freshly toasted HistaFood Organic Grain Bread with the soup. 

Colorful vegetable platter with chestnuts and rosemary:

The recipe is: low-histamine, vegetarian

You will need the following ingredients for 2–3 servings:

·      6–8 Brussels sprouts (1)

·      1/3 Romanesco

·      1 carrot

·      1 parsnip

·      2 sprigs of rosemary

·      1/2 bunch of parsley

·      100g cooked chestnuts

·      2 tbsp roasting olive oil

·      approx. 1 tbsp spelt breadcrumbs

·      50g butter

·      2 tbsp acerola juice

·      HistaFood Organic Herbal Salt

Our tip: Sprinkle some feta cheese (1) over the vegetables.  

Enjoying low-histamine – from morning to night

Would you like to bring even more variety to your low-histamine diet? With our HistaStarter Set, you can try various HistaFood products and have suitable companions for your everyday life right at hand – from breakfast to quick sauces.

The included products are suitable for a low-histamine diet, gluten-free, lactose-free, and vegan. In addition, we rely on organic quality and do without unnecessary additives.

This way, you can easily get to know the variety of HistaFood and integrate low-histamine enjoyment into your everyday life.

Sources:

• https://eatsmarter.de/lexikon/warenkunde/nuesse/maronen
• https://histafood.eu/
• Das große Lexikon der Lebensmittel, Südwest Verlag GmbH, 1998