Commission Implementing Regulation (EU) 2019/1314 of 2 August 2019 authorising the change of the specifications of the novel food Lacto-N-neotetraose produced with Escherichia coli K-12 under Regulation (EU) 2015/2283 of the European Parliament and of the Council and amending Commission Implementing Regulation (EU) 2017/2470 (Text with EEA relevance.)
Commission Implementing Regulation (EU) 2019/1314 of 2 August 2019 authorising the change of the specifications of the novel food Lacto-N-neotetraose produced with Escherichia coli K-12 under Regulation (EU) 2015/2283 of the European Parliament and of the Council and amending Commission Implementing Regulation (EU) 2017/2470 (Text with EEA relevance.)
Data as of 2026-07-04 Β· Compiled from an official source version. Later amendments or repeals may not be reflected; the official text prevails. Β· Read the official text β
The entry in the Union list of authorised novel foods as provided for in Article 6 of Regulation (EU) 2015/2283 referring to the substance Lacto- N -neotetraose produced with Escherichia coli strain K-12 shall be amended as specified in the Annex to this Regulation.
ANNEX
In Table 2 (Specifications) of Implementing Regulation (EU) 2017/2470, the entry for βLacto- N -neotetraose (microbial source)β is replaced by the following:
β Lacto -
N
- neotetraose
(microbial source)
Definition:
Chemical name: Ξ²-D-Galactopyranosyl-(1β4)-2-acetamido-2-deoxy-Ξ²-D-glucopyranosyl-(1β3)-Ξ²-D-galactopyranosyl-(1β4)-D-glucopyranose
Chemical formula: C 26 H 45 NO 21
CAS No: 13007-32-4
Molecular weight: 707,63 g/mol
Source:
Genetically modified strain of Escherichia coli K-12
Description:
Lacto- N -neotetraose is a white to off-white powder that is produced by a microbiological process.
Purity:
Assay (water free): β₯ 80 %
D-Lactose: β€ 10,0 %
Lacto- N -triose II: β€ 3,0 %
para -Lacto- N -neohexaose: β€ 5,0 %
Lacto- N -neotetraose fructose isomer: β€ 1,0 %
Sum of saccharides (Lacto- N -neotetraose, D-Lactose, Lacto- N -triose II, para -Lacto- N -neohexaose, Lacto- N -neotetraose fructose isomer): β₯ 92 %
pH (20 C, 5 % solution): 4,0-7,0
Water: β€ 9,0 %
Ash, sulphated: β€ 0,4 %
Residual solvents (methanol): β€ 100 mg/kg
Residual proteins: β€ 0,01 %
Microbiological criteria:
Aerobic mesophilic bacteria total count: β€ 500 CFU/g
Yeasts: β€ 10 CFU/g
Moulds: β€ 10 CFU/g
Residual endotoxins: β€ 10 EU/mg
CFU: Colony Forming Units; EU: Endotoxin Unitsβ