# Commission Implementing Decision of 29 November 2013 authorising the placing on the market of rooster comb extract as a novel food ingredient under Regulation (EC) No 258/97 of the European Parliament and of the Council (notified under document C(2013) 8319) (Only the Spanish text is authentic) (2013/705/EU), Division: Definition

Extent: E+W+S+N.I.

Rooster comb extract is obtained from Gallus gallus by enzymatic hydrolysis of rooster comb and by subsequent filtration, concentration and precipitation steps. The principal constituents of rooster comb extract are the glycosaminoglycans hyaluronic acid, chondroitin sulphate A and dermatan sulphate (chondroitin sulphate B).
Hyaluronic acid
60-80 %
Chondroitin sulphate A
Not more than 5 %
Dermatan sulphate (chondroitin sulphate B)
Not more than 25 %

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Source: https://www.legislation.gov.uk/eudn/2013/705/annex/I/division/1 (the official version)
Page: https://openlegislation.uk/eu-decision-2013-705/annex-I/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.