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ETH Zürich Rämistrasse 101 8092 Zürich, Switzerland http://www.hk.ethz.ch
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ETH Zürich

Wie die Schokolade leuchten lernte

(PresseBox) (Zürich, )
ETH-​Forschende lassen Pralinen in Regenbogenfarben schillern, ganz ohne Zusatzstoffe. Sie haben ein Verfahren entwickelt, um die Oberfläche von Schokolade mit einer Struktur zu prägen, sodass gezielte Farbeffekte entstehen.

Die Praline schillert in wild wechselnden Regenbogenfarben. Es scheint, als würde sie leuchten. Eine Gruppe von Forschenden der ETH Zürich und der Fachhochschule Nordwestschweiz haben dafür vor Kurzem ein Patent angemeldet.

Einfärben konnte man Schokolade zwar schon lange. Die ETH-​Forschenden erzeugen die Regenbogenfarbe aber ganz ohne Zusatzstoffe. Sie entstehen alleine durch eine eingeprägte Struktur, man spricht dabei von Strukturfarben. Der Effekt funktioniert ähnlich wie bei einem Chamäleon: Die geordnete Struktur auf der Rrfnrpenre jxyhoi Kwuf xhcmwq bqk fqepqi lwy Hdctc ft, verm kumsjkwbl Aqlkac xnvobloc zziptc.

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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.