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Properties of acorns... Acorn products: coffee, flour, acorn drinks

Tim Klein

Tim Klein

2026-03-15
4 min. read
Properties of acorns... Acorn products: coffee, flour, acorn drinks
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In former times, acorns were a significant component of sustenance, but now they are entirely forgotten, and a few individuals are aware of and utilize their nutritional and flavorful benefits. What products can be made from acorns and what are the processes involved in their production?

Merkmale von Eicheln

Eicheln, die Früchte der Eiche, gehören zu den Buchengewächsen. Sie bestehen aus der Nuss und einer markanten Fruchthülle, die umgangssprachlich als "Eichelkappe" bezeichnet wird. Vor ihrer Reife zeigen Eicheln eine grünliche Färbung, die sich mit der Zeit in das typische Braun verwandelt. Obwohl sie vorrangig der Fortpflanzung dienen, waren sie historisch eine wichtige Nahrungsquelle. Ihr Nährstoffprofil ist ausgewogen: Sie enthalten viel Stärke (37%), weitere Kohlenhydrate (7%), Fette (31,4%) und Proteine (8,1%). Zudem sind Vitamine der B-Gruppe und Mineralstoffe wie Mangan, Kupfer, Magnesium, Kalium und Phosphor vorhanden. Entscheidend ist, dass Eicheln vor dem Laugungsprozess reich an Gerbstoffen sind, die ihnen einen bitteren Geschmack verleihen, Verstopfung verursachen und die Aufnahme von Mineralstoffen behindern. Aus diesem Grund werden sie selten ungekocht verzehrt. Der Prozess umfasst das mehrfache Einweichen in heißem Wasser mit Eichenasche. Auf diese Weise aufbereitete Eicheln eignen sich zur Herstellung von Mehl, Kaffee und Likör.

Mehl aus Eicheln

Zur Herstellung von Eichelmehl werden die Eicheln zunächst gekocht und anschließend bei 200 °C getrocknet. Nach dem Trocknen und dem Entfernen des größten Teils der Feuchtigkeit aus den Eicheln werden diese zu feinem Mehl verarbeitet. Es ist eine interessante Alternative für Hobbybäcker, allerdings verhält es sich in der Küche anders als Weizenmehl - es nimmt Flüssigkeiten langsamer auf, ist weniger elastisch und die damit hergestellten Backwaren sind fester. Dennoch besitzt es einen charakteristischen, leicht nussigen Geschmack. Es wird empfohlen, Eichelmehl mit bindenden Zutaten wie Eiern oder Kartoffeln zu mischen und die Flüssigkeitsmenge in den Rezepten zu erhöhen. Auch ist es möglich, Eichelmehl mit anderen Mehlsorten zu kombinieren, um eine optimale Konsistenz zu erreichen. Eichelmehl ist von Natur aus glutenfrei und enthält eine gewisse Menge an Ballaststoffen. Tab. 1: Nährwerte in 100 g Eichelmehl. Nährstoffe Menge in 100 g Mehl Natrium 17 mg Kalium 4500 mg Phosphor 730 mg Calcium 740 mg Magnesium 340 mg.

Eichelkaffee - eine koffeinfreie Alternative

Eichelkaffee wird durch das Zerkleinern frischer, feuchter Eicheln hergestellt, die anschließend getrocknet und in einer Mühle gemahlen werden. Das resultierende Pulver wird geröstet, um einen kräftigen, charakteristischen Geschmack zu erzeugen. Der fertige Kaffee sollte eine tiefe, braune Färbung aufweisen. Die Zubereitung erfolgt ähnlich wie bei türkischem Kaffee. Eichelkaffee ist eine ausgezeichnete Wahl für alle, die auf Koffein verzichten möchten. Dank des fehlenden Koffeins kann man ihn in größeren Mengen genießen. Das Getränk fördert die Verdauung, stillt den Hunger und ersetzt teilweise den Geschmack herkömmlicher Kaffeesorten. Der intensive, leicht bittere Nachgeschmack lässt sich durch Milch oder Honig abmildern.

Dies ist ein Schwein

Begeisterte von ungewöhnlichen Getränken nutzen auch Eicheln zur Herstellung eines besonderen Trankes. Dafür wird Eichelkaffee verwendet, der anschließend mit heißem Wasser aufgegossen und 45 Minuten erwärmt wird. Der zubereitete Aufguss wird durch ein Sieb gefiltert. Danach fügt man Zucker, eine geringe Menge an gereinigter Soda und Vanillezucker hinzu, und nach dem Abkühlen wird es mit Alkohol vermischt. Der so zubereitete Drink wird in Flaschen abgefüllt und luftdicht verschlossen. Sechs Wochen lang sollte der Drink an einem kühlen und dunklen Ort gelagert werden. Eichelkaffee wird besonders bei Verdauungsstörungen und Magen-Darm-Beschwerden empfohlen. Nur wenige kennen Produkte aus Eicheln. Eichelmehl, Eichelkaffee und Eichelgetränke sind trotz ihrer ernährungsphysiologischen und geschmacklichen Vorzüge nicht weit verbreitet. Ich hoffe, dass sich diese Situation ändert und Produkte aus Eicheln sowie daraus hergestellte Erzeugnisse immer beliebter werden.
Tim Klein

Tim Klein

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