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  • The certification of the number fraction of negative capsules and number of colony forming particles of Salmonella typhimurium from artificially contaminated milk powder (CRM 507)

Abstract

This report describes the certification of the number fraction of negative capsules and number content of colony-forming particles of Salmonella typhimurium from artificially contaminated milk powder. The selection, identification and characterisation of the strain is described, along with the preparation of the milk powder and the batch of reference materials. The homogeneity and stability studies are discussed and the procedures used for certification are presented. The certified values are presented for the first batch of the Salmonella reference material.

Additional information

Authors: IN T VELD P H ET AL., National Institute of Public Health and Environmental Protection, Laboratory of Water- and Food-microbiology, Bilthoven (NL);HOEKSTRA J A, National Institute of Public Health and Environmental Protection, Centre of Mathematical Methods, Bilthoven (NL);HEISTERKAMP S H, National Institute of Public Health and Environmental Protection, Centre of Mathematical Methods, Bilthoven (NL);VAN STRIJP-LOCKEFEER N G W M, Foundation for the Advancement of Public Health Environmental Protection, Bilthoven (NL);MAIER E A, European Commission, Bruxelles (BE);GRIEPINK B, European Commission, Bruxelles (BE)
Bibliographic Reference: EUR 15062 EN (1994) 69 pp., MF, ECU 4
Availability: (2)
Record Number: 199410246 / Last updated on: 1994-11-28
Category: PUBLICATION
Original language: en
Available languages: en