# Regulation (EC) No 1831/2003 of the European Parliament and of the Council of 22 September 2003 on additives for use in animal nutrition (Text with EEA relevance), Division 1: In the category ‘technological additives’, the following functional groups are included:

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

(a) preservatives: substances or, when applicable, micro-organisms which protect feed against deterioration caused by micro-organisms or their metabolites;
(b) antioxidants: substances prolonging the storage life of feedingstuffs and feed materials by protecting them against deterioration caused by oxidation;
(c) emulsifiers: substances that make it possible to form or maintain a homogeneous mixture of two or more immiscible phases in feedingstuffs;
(d) stabilisers: substances which make it possible to maintain the physico-chemical state of feedingstuffs;
(e) thickeners: substances which increase the viscosity of feedingstuffs;
(f) gelling agents: substances which give a feedingstuff texture through the formation of a gel;
(g) binders: substances which increase the tendency of particles of feedingstuffs to adhere;
(h) substances for control of radionucleide contamination: substances that suppress absorption of radionucleides or promote their excretion;
(i) anticaking agents: substances that reduce the tendency of individual particles of a feedingstuff to adhere;
(j) acidity regulators: substances which adjust the pH of feedingstuffs;
(k) silage additives: substances, including enzymes or micro-organisms, intended to be incorporated into feed to improve the production of silage;
(l) denaturants: substances which, when used for the manufacture of processed feedingstuffs, allow the identification of the origin of specific food or feed materials;
(m) substances for reduction of the contamination of feed by mycotoxins: substances that can suppress or reduce the absorption, promote the excretion of mycotoxins or modify their mode of action ;
(n) hygiene condition enhancers: substances or, when applicable, microorganisms which favourably affect the hygienic characteristics of feed by reducing a specific microbiological contamination ;
(o) other technological additives: substances or, when applicable, microorganisms added to feed for a technological purpose and which favourably affect the characteristics of the feed.

---
Source: https://www.legislation.gov.uk/eur/2003/1831/annex/I/division/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2003-1831/annex-I/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.