Konjak-Glucomannan

Author:Prof. Dr. med. Peter Altmeyer

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Last updated on: 07.03.2026

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Synonym(s)

Konjac glucomannan; Konjac rubber

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DefinitionThis section has been translated automatically.

Konjac glucomannan is obtained from the konjac root and is a naturally occurring substance that is approved as a food additive, among other things.

EffectsThis section has been translated automatically.

Prolongs the emptying time of the stomach, increases the feeling of satiety, increases glycogen synthesis in the liver, lowers blood sugar, lowers cholesterol, reduces oxidative stress, regulates inflammation and intestinal flora. As a food additive, increases shelf life, see also area of application/use. see also under konjac root.

Konjac swells slowly in water to sometimes very solid gels, which have a high tearing and compression capacity and have led to cases of suffocation in cases of insufficient chewing and inadequate fluid intake. Specific maximum level: 10 g/kg food, individually or in combination.

Field of application/useThis section has been translated automatically.

Food additive (E 425)

bulking agent

gelling agent

thickening agent

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Last updated on: 07.03.2026