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Scientific Opinion on the substantiation of health claims related to konjac mannan (glucomannan) and reduction of body weight, et al.

af European Food Safety Authority (EFSA) (2010)


Following a request from the European Commission, the Panel on Dietetic Products, Nutrition and Allergies was asked to provide a scientific opinion on a list of health claims pursuant to Article 13 of Regulation (EC) No 1924/2006.

This opinion addresses the scientific substantiation of health claims in relation to konjac mannan (glucomannan) and reduction of body weight, reduction of post-prandial glycaemic responses, maintenance of normal blood glucose concentrations, maintenance of normal (fasting) blood concentrations of triglycerides, maintenance of normal blood cholesterol concentrations, maintenance of normal bowel function and decreasing potentially pathogenic gastrointestinal microorganisms.

The scientific substantiation is based on the information provided by the Member States in the consolidated list of Article 13 health claims and references that EFSA has received from Member States or directly from stakeholders. The food constituent that is the subject of the health claims is konjac mannan (glucomannan). The Panel considers that konjac mannan (glucomannan) is sufficiently characterised.

To read the syudy in its entirety, click here (english)

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