Date: 2026-02-19Category: Not ApplicableState: Union GovernmentCountry: Europe
Commission Implementing Regulation (EU) 2026/353 of 18 February 2026 concerning the authorisation of L-histidine and L-histidine monohydrochloride monohydrate, produced with Corynebacterium glutamicum KCCM 80389, as feed additives for all animal species
Issued by European Commission
· Directorate-General for Health and Food Safety
**Executive Summary**
This is a Commission Implementing Regulation (EU) 2026/353, dated 18 February 2026, authorising L-histidine and L-histidine monohydrochloride monohydrate, produced with *Corynebacterium glutamicum* KCCM 80389, as feed additives for all animal species. The regulation enters into force on the twentieth day following its publication in the Official Journal of the European Union. The authorization period ends on 11 March 2036.
**Key Points / Main Content**
* **Authorisation of Feed Additives:**
* L-histidine and L-histidine monohydrochloride monohydrate, produced with *Corynebacterium glutamicum* KCCM 80389 are authorised as feed additives for all animal species.
* These additives are classified under both ‘nutritional additives’ (amino acids, their salts and analogues) and ‘sensory additives’ (flavouring compounds).
* **Conditions of Use (Nutritional Additive):**
* Storage conditions and stability to heat treatment and in water for drinking must be indicated in the directions for use.
* Feed business operators must ensure rumen protection when the additives are fed to ruminants.
* The moisture content must be indicated on the label of the additive.
* Supplementation should consider all essential amino acids to avoid nutritional imbalances.
* **Conditions of Use (Sensory Additive):**
* The additives must be incorporated into feed in the form of a premixture.
* Storage conditions and stability to heat treatment must be indicated in the directions for use.
* The label must indicate 'Recommended maximum content of the active substance in complete feedingstuff with a moisture content of 12 %: 25 mg/kg'.
* The label of the premixture must specify the functional group, identification number, name, and amount of the active substance if use exceeds the recommended content.
**Impact Analysis**
**Stakeholder**: Feed Business Operators
**Impact**: Must comply with the specified conditions of use, including ensuring rumen protection for ruminants, appropriate labeling and following storage and stability guidelines.
**Action Required**: Adjust feed production and labeling processes to meet the requirements outlined in the regulation.
**Stakeholder**: Animal Feed Manufacturers
**Impact**: May need to modify feed formulations to incorporate the authorised additives.
**Action Required**: Update feed formulations and labels to comply with the regulatory requirements for the use of the new additives.
**Stakeholder**: Farmers/Animal Owners
**Impact**: Will have access to feed with the authorized additives, potentially improving animal nutrition.
**Action Required**: Be aware of the appropriate usage and potential risks, especially regarding nutritional imbalances when using these additives.
Key Entities Referenced
Regulation (EC) No 1831/2003: Regulation of the European Parliament and of the Council on additives for use in animal nutrition.
L-histidine and L-histidine monohydrochloride monohydrate: Feed additives authorized for all animal species, produced with Corynebacterium glutamicum KCCM 80389
European Food Safety Authority ('the Authority'): Evaluated the safety and efficacy of L-histidine and L-histidine monohydrochloride monohydrate as feed additives.
Regulation (EC) No 183/2005: Regulation of the European Parliament and of the Council laying down requirements for feed hygiene
Official Journal EN
of the European Union L series
2026/353 19.2.2026
COMMISSION IMPLEMENTING REGULATION(EU) 2026/353
of 18 February 2026
concerning the authorisation of L-histidine and L-histidine monohydrochloride monohydrate,
produced with Corynebacterium glutamicumKCCM 80389, as feed additives for all animal species
(Text with EEA relevance)
THE EUROPEAN COMMISSION,
Having regard to the Treaty on the Functioning of the European Union,
Having regard to Regulation (EC) No 1831/2003 of the European Parliament and of the Council of 22 September 2003 on
additives for use in animal nutrition(1), and in particular Article 9(2) thereof,
Whereas:
(1) Regulation (EC) No 1831/2003 provides for the authorisation of additives for use in animal nutrition and for the
grounds and procedures for granting such an authorisation.
(2) In accordance with Article 7 of Regulation (EC) No 1831/2003, an application was submitted for the authorisation of
L-histidine and L-histidine monohydrochloride monohydrate, produced with Corynebacterium glutamicum KCCM
80389. That application was accompanied by the particulars and documents required under Article 7(3) of
Regulation (EC) No 1831/2003.
(3) The application concerns the authorisation of L-histidine and L-histidine monohydrochloride monohydrate,
produced with Corynebacterium glutamicum KCCM 80389, as feed additives for all animal species, requesting those
additives to be classified in the category ‘nutritional additives’, functional group ‘amino acids, their salts and
analogues’ and in the category ‘sensory additives’, functional group ‘flavouring compounds’. The applicant requested
the additives to be authorised for use also in water for drinking. However, Regulation (EC) No 1831/2003 does not
allow the authorisation of ‘flavouring compounds’ for use in water for drinking. Therefore, the applicant withdrew
the application for water for drinking as regards the functional group ‘flavouring compounds’.
(4) The European Food Safety Authority (‘the Authority’) concluded in its opinion of 24 June 2025(2) that, under the
proposed conditions of use, L-histidine and L-histidine monohydrochloride monohydrate, produced by fermentation
with Corynebacterium glutamicum KCCM 80389, in feed are safe for the target species when supplemented in
appropriate amounts to the diet according to the nutritional needs of the target species. However, due to the risk of
nutritional imbalances and hygienic reasons, the Authority has concerns on the use of L-histidine and L-histidine
monohydrochloride monohydrate in water for drinking. The Authority concluded that the use of L-histidine and
L-histidine monohydrochloride monohydrate, produced with Corynebacterium glutamicum KCCM 80389, in animal
nutrition is safe for the consumers and the environment. It also concluded that L-histidine and L-histidine
monohydrochloride monohydrate, produced with Corynebacterium glutamicumKCCM 80389, are not irritant to skin
or eyes and are not skin sensitisers. The Authority further concluded that the substances are regarded as an
efficacious source of the amino acid L-histidine for all non-ruminant species, but for the substances to be fully
efficacious in ruminants they should be protected from ruminal degradation, and that they are considered efficacious
when used as a flavouring compound in animal nutrition. The Authority did not consider that there is a need for
specific requirements of post-market monitoring. The Authority also verified the report on the method of analysis of
the feed additives in feed submitted by the Reference Laboratory set up by Regulation (EC) No 1831/2003.
(1) OJ L 268, 18.10.2003, p. 29, ELI: http://data.europa.eu/eli/reg/2003/1831/oj.
(2) EFSA Journal2025, 23(7), e9535, https://doi.org/10.2903/j.efsa.2025.9535.
ELI: http://data.europa.eu/eli/reg_impl/2026/353/oj 1/8EN
OJ L, 19.2.2026
(5) In view of the above, the Commission considers that L-histidine and L-histidine monohydrochloride monohydrate,
produced with Corynebacterium glutamicum KCCM 80389, satisfy the conditions provided for in Article 5 of
Regulation (EC) No 1831/2003. Accordingly, the use of those substances as feed additives should be authorised. The
Commission considers that the safe use of those additives in water for drinking, with regard to possible hygiene risks,
is to be considered within the scope of Regulation (EC) No 183/2005 of the European Parliament and of the
Council(3) laying down requirements for feed hygiene. When fed to ruminants for the use under the functional
group ‘amino acids, their salts and analogues’, L-histidine and L-histidine monohydrochloride monohydrate,
produced with Corynebacterium glutamicumKCCM 80389, need protection against degradation in the rumen. It is also
appropriate to alert the user to take into account the dietary supply with all the essential and conditionally essential
amino acids, in particular in the case of supplementation with L-histidine and L-histidine monohydrochloride
monohydrate via water for drinking.
(6) The Commission considers that for the use of L-histidine and L-histidine monohydrochloride monohydrate,
produced with Corynebacterium glutamicum KCCM 80389, as flavouring compounds, safety reasons do not require
the setting of maximum contents. In order to allow for better control, the recommended maximum content should
be indicated on the label of the feed additives. Where the recommended maximum contents are exceeded, certain
information should be indicated on the label of the premixtures concerned.
(7) The measures provided for in this Regulation are in accordance with the opinion of the Standing Committee on
Plants, Animals, Food and Feed,
HAS ADOPTED THIS REGULATION:
Article 1
Authorisation
The substances specified in the Annex, belonging to the category ‘nutritional additives’ and functional group ‘amino acids,
their salts and analogues’, and to the category ‘sensory additives’ and functional group ‘flavouring compounds’, are
authorised as additives in animal nutrition, subject to the conditions laid down in that Annex.
Article 2
Entry into force
This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the
European Union.
This Regulation shall be binding in its entirety and directly applicable in all Member States.
Done at Brussels, 18 February 2026.
For the Commission
The President
Ursula VON DER LEYEN
(3) Regulation (EC) No 183/2005 of the European Parliament and of the Council of 12 January 2005 laying down requirements for feed
hygiene (OJ L 35, 8.2.2005, p. 1, ELI: http://data.europa.eu/eli/reg/2005/183/oj).
2/8 ELI: http://data.europa.eu/eli/reg_impl/2026/353/ojANNEX
Minimum Maximum
Identification Species or content content
Name of the Composition, chemical formula, End of period of
number of the category of Maximum age Other provisions
additive description, analytical method authorisation
additive animal mg/kg of complete feed with
12 % moisture content
Category: nutritional additives. Functional group: amino acids, their salts and analogues
3c353 L-histidine Additive composition All animal — — — 1. In the directions for use of the 11 March
species additive and premixtures, the 2036
L-histidine
storage conditions, the
Solid form
stability to heat treatment
Characterisation of the active and in water for drinking
substance shall be indicated.
L-histidine ≥ 90 % (on a dry
2. The additive may be used via
matter basis) produced with
water for drinking.
Corynebacterium glutamicumKCCM
80389
Histamine ≤ 100 ppm 3. Feed business operators shall
ensure that L-histidine is
IUPAC name: (2S)-2-amino-
rumen protected, when fed
3-(1H-imidazol-5-yl) propanoic
to ruminants.
acid
Chemical formula: C H N O
6 9 3 2
CAS number: 71-00-1 4. The moisture content shall
be indicated on the label of
Analytical method(1) the additive.
For the determination of histidine
in the feed additive: 5. The label of the additive and
— Ion-exchange premixtures shall indicate
chromatography coupled with the following: ‘The
post-column derivatisation supplementation with
and optical detection (IEC-VIS L-histidine, in particular via
or IEC-VIS/FLD), or water for drinking, shall take
— High performance liquid into account all essential and
chromatography coupled with conditionally essential
spectrophotometric detection amino acids in order to avoid
(HPLC-UV) nutritional imbalances.’
ELI:
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ENMinimum Maximum
Identification Species or content content
Name of the Composition, chemical formula, End of period of
number of the category of Maximum age Other provisions
additive description, analytical method authorisation
additive animal mg/kg of complete feed with
12 % moisture content
For the determination of histidine
in premixtures and compound
feed:
— Ion-exchange
chromatography coupled with
post-column derivatisation
and optical detection (IEC-
VIS) – Commission Regulation
(EC) No 152/2009(2)
For the determination of histidine
in water for drinking:
— Ion-exchange
chromatography coupled with
post-column derivatisation
and optical detection (IEC-VIS)
For the determination of
histamine in the feed additive:
— High performance liquid
chromatography coupled with
spectrophotometric detection
(HPLC-UV)
3c354 L-histidine Additive composition All animal — — — 1. In the directions for use of the 11 March
monohy species additive and premixtures, the 2036
L-histidine monohydrochloride
drochloride storage conditions, the
monohydrate
monohydrate stability to heat treatment
Solid form
and in water for drinking
Characterisation of the active shall be indicated.
substance
2. The additive may be used via
L-histidine monohydrochloride
water for drinking.
monohydrate ≥ 98 % with a
minimum content of 72 % 3. Feed business operators shall
histidine (on a dry matter basis), ensure that L-histidine
produced with Corynebacterium monohydrochloride
glutamicumKCCM 80389 monohydrate is rumen
Histamine ≤ 100 ppm protected, when fed to
ruminants.
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EN
OJ
L,
19.2.2026Minimum Maximum
Identification Species or content content Name of the Composition, chemical formula, End of period of
number of the category of Maximum age Other provisions
additive description, analytical method authorisation
additive animal mg/kg of complete feed with
12 % moisture content
IUPAC name: (2S)-2-amino- 4. The moisture content shall
3-(1H-imidazol-5-yl) propanoic be indicated on the label of
acid hydrate hydrochloride the additive.
Chemical formula:
C H N O ·HCl·H O 5. The label of the additive and
6 9 3 2 2
CAS number: 5934-29-2 premixtures shall indicate
the following: ‘The
Analytical method(1)
supplementation with
For the determination of histidine L-histidine
in the feed additive: monohydrochloride
— Ion-exchange monohydrate, in particular
chromatography coupled with via water for drinking, shall
post-column derivatisation take into account all essential
and optical detection (IEC-VIS and conditionally essential
or IEC-VIS/FLD), or amino acids in order to avoid
— High performance liquid nutritional imbalances.’
chromatography coupled with
spectrophotometric detection
(HPLC-UV)
For the determination of histidine
in premixtures and compound
feed:
— Ion-exchange
chromatography coupled with
post-column derivatisation
and optical detection (IEC-
VIS) – Regulation (EC)
No 152/2009
For the determination of histidine
in water for drinking:
— Ion-exchange
chromatography coupled with
post-column derivatisation
and optical detection (IEC-VIS)
ELI:
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ENMinimum Maximum
Identification Species or content content
Name of the Composition, chemical formula, End of period of
number of the category of Maximum age Other provisions
additive description, analytical method authorisation
additive animal mg/kg of complete feed with
12 % moisture content
For the determination of
histamine in the feed additive:
— High performance liquid
chromatography coupled with
spectrophotometric detection
(HPLC-UV)
Category: Sensory additives. Functional group: Flavouring compounds
3c353 L-histidine Additive composition All animal — — — 1. The additive shall be 11 March
species incorporated into the feed in 2036
L-histidine
the form of a premixture.
Solid form
Characterisation of the active
2. In the directions for use of the
substance
additive and premixtures, the
L-histidine ≥ 90 % (on a dry storage conditions and the
matter basis) produced with stability to heat treatment
Corynebacterium glutamicumKCCM shall be indicated.
80389
Histamine ≤ 100 ppm
3. On the label of the additive
IUPAC name: (2S)-2-amino-
the following shall be
3-(1H-imidazol-5-yl) propanoic
indicated: ‘Recommended
acid
maximum content of the
Chemical formula: C H N O
6 9 3 2 active substance in complete
CAS number: 71-00-1
feedingstuff with a moisture
Analytical method(1) content of 12 %: 25 mg/kg.’
For the determination of histidine
in the feed additive: 4. The functional group, the
— Ion-exchange identification number, the
chromatography coupled with name and the added amount
post-column derivatisation of the active substance shall
and optical detection (IEC-VIS be indicated on the label of
or IEC-VIS/FLD) or the premixture where the use
— High performance liquid level on the label of the
chromatography coupled with premixture would result in
spectrophotometric detection exceeding the content
(HPLC-UV) referred to in point 3.
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19.2.2026Minimum Maximum
Identification Species or content content Name of the Composition, chemical formula, End of period of
number of the category of Maximum age Other provisions
additive description, analytical method authorisation
additive animal mg/kg of complete feed with
12 % moisture content
For the determination of histidine 5. The moisture content shall
in premixtures: be indicated on the label of
— Ion-exchange the additive.
chromatography coupled with
post-column derivatisation
and optical detection (IEC-
VIS) – Regulation (EC)
No 152/2009
For the determination of
histamine in the feed additive:
— High performance liquid
chromatography coupled with
spectrophotometric detection
(HPLC-UV)
3c354 L-histidine Additive composition All animal — — — 1. The additive shall be 11 March
monohy species incorporated into the feed in 2036
L-histidine monohydrochloride
drochloride the form of a premixture.
monohydrate
monohydrate
Solid form
Characterisation of the active
substance 2. In the directions for use of the
additive and premixtures, the
L-histidine monohydrochloride
storage conditions and the
monohydrate ≥ 98 % with a
stability to heat treatment
minimum content of 72 %
shall be indicated.
histidine (on a dry matter basis),
produced with Corynebacterium
glutamicumKCCM 80389
Histamine ≤ 100 ppm
3. On the label of the additive
IUPAC name: (2S)-2-amino- the following shall be
3-(1H-imidazol-5-yl) propanoic indicated: ‘Recommended
acid hydrate hydrochloride maximum content of the
Chemical formula: active substance in complete
C H N O ·HCl·H O feedingstuff with a moisture
6 9 3 2 2
CAS number: 5934-29-2 content of 12 %: 25 mg/kg.’
ELI:
http://data.europa.eu/eli/reg_impl/2026/353/oj
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ENMinimum Maximum
Identification Species or content content
Name of the Composition, chemical formula, End of period of
number of the category of Maximum age Other provisions
additive description, analytical method authorisation
additive animal mg/kg of complete feed with
12 % moisture content
Analytical method(1) 4. The functional group, the
identification number, the
For the determination of histidine
name and the added amount
in the feed additive:
of the active substance shall
— Ion-exchange
be indicated on the label of
chromatography coupled with
the premixture where the use
post-column derivatisation
level on the label of the
and optical detection (IEC-VIS
premixture would result in
or IEC-VIS/FLD), or
exceeding the content
— High performance liquid
referred to in point 3.
chromatography coupled with
spectrophotometric detection
(HPLC-UV)
5. The moisture content shall
For the determination of histidine be indicated on the label of
in premixtures: the additive.
— Ion-exchange
chromatography coupled with
post-column derivatisation
and optical detection (IEC-
VIS) – Regulation (EC)
No 152/2009
For the determination of
histamine in the feed additive:
— High performance liquid
chromatography coupled with
spectrophotometric detection
(HPLC-UV)
(1) Details of the analytical methods are available at the following address of the Reference Laboratory: https://joint-research-centre.ec.europa.eu/eurl-fa-eurl-feed-additives/eurl-fa-authorisation/eurl-fa-
evaluation-reports_en.
(2) Commission Regulation (EC) No 152/2009 of 27 January 2009 laying down the methods of sampling and analysis for the official control of feed (OJ L 54, 26.2.2009, p. 1, ELI: http://data.europa.eu/eli/reg/
2009/152/oj).
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