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Commission Implementing Regulation (EU) 2023/1583 of 1 August 2023 amending Implementing Regulation (EU) 2017/2470 as regards the specifications of the novel food Lacto-N-neotetraose (microbial source) (Text with EEA relevance)

Commission Implementing Regulation (EU) 2023/1583 of 1 August 2023 amending Implementing Regulation (EU) 2017/2470 as regards the specifications of the novel food Lacto-N-neotetraose (microbial source) (Text with EEA relevance)

Implementing Regulation (EU) 2023/1583 · Regulation · 3 articles

Data as of 2026-07-04 · Compiled from an official source version. Later amendments or repeals may not be reflected; the official text prevails. · Read the official text ↗

Article 1

The Annex to Implementing Regulation (EU) 2017/2470 is amended in accordance with the Annex to this Regulation.

Article 2

This Regulation shall enter into force on the twentieth day following that of its publication in the Official Journal of the European Union .

Supplementary provisions

ANNEXSupplementary provisions

ANNEX In the Annex to Implementing Regulation (EU) 2017/2470, in Table 2 (Specifications), the entry for Lacto- N -neotetraose (microbial source) is replaced by the following: ‘ Lacto- N -neotetraose (microbial source) Definition Chemical name: β-D-Galactopyranosyl-(1→4)-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1→3)-β-D-galactopyranosyl-(1→4)-D-glucopyranose Chemical formula: C 26 H 45 NO 21 CAS No: 13007-32-4 Molecular weight: 707,63 g/mol Description/Source Lacto- N -neotetraose is a white to off-white powder that is produced by a microbiological process using genetically modified strain of Escherichia coli K-12, and/or of Escherichia coli BL21(DE3). An additional optional genetically modified degradation strain of Escherichia coli BL21(DE3) may be used in the production process to degrade intermediate carbohydrate by-products and remaining starting carbohydrate substrates. Purity Assay (water free): ≥ 80 % D-Lactose: ≤ 10,0 % Lacto- N -triose II: ≤ 3,0 % para -Lacto- N -neohexaose: ≤ 5,0 % Lacto- N -neotetraose fructose isomer: ≤ 1,0 % Sum of saccharides (Lacto- N -neotetraose, D-Lactose, Lacto- N -triose II, para -Lacto- N -neohexaose, Lacto- N -neotetraose fructose isomer): ≥ 92 % (% w/w dry matter) pH (20 °C, 5 % solution): 4,0-7,0 Water: ≤ 9,0 % Ash, sulphated: ≤ 1,0 % Residual solvents (methanol): ≤ 100 mg/kg Residual proteins: ≤ 0,01 % Microbiological criteria Aerobic mesophilic bacteria total count: ≤ 500 CFU/g Yeasts and moulds: ≤ 50 CFU/g Residual endotoxins: ≤ 10 EU/mg CFU: Colony Forming Units; EU: Endotoxin Units’

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Source: EUR-Lex (Publications Office of the EU), © European Union, reuse permitted under Commission Decision 2011/833/EU.

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