Konjac Glucomannan

Konjac glucomannan (KGM) is a highly polymerized fibre obtained from the roots and tubers of the plant Amorphophallus konjac C. Koch. The chemical  structure is β‐(1,4)‐linked D‐mannose and D‐glucose residues in a molar ratio of 1.6:1.

Functional Benefits

KGM has a number of useful physiological and nutritional benefits (Chua et al., 2010; Behera & Ray, 2016). It can reputedly act as a:-

  • antigenotoxic agent,
  • antioxidant,
  • antibacterial agent,
  • reduces obesity,
  • antidiabetic agent,
  • anticoagulant,
  • anti‐inflammatory agent,
  • regulates in lipid metabolism,
  • laxative,
  • prebiotic,
  • antitumor activities


Behera, S. S., & Ray, R. C. (2016). Konjac glucomannan, a promising polysaccharide of Amorphophallus konjac K. Koch in health careInternational Journal of Biological Macromolecule92, pp. 942956https://doi.org/10.1016/j.ijbiomac.2016.07.098

Chua, M.Baldwin, T. C.Hocking, T. J., & Chan, K. (2010). Traditional uses and potential health benefits of Amorphophallus konjac K. Koch ex NE BrJournal of Ethnopharmacology128, pp. 268278https://doi.org/10.1016/j.jep.2010.01.021

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