Reference number
ISO 19344:2015
International Standard
ISO 19344:2015
Milk and milk products — Starter cultures, probiotics and fermented products — Quantification of lactic acid bacteria by flow cytometry
Edition 1
2015-12
Preview
ISO 19344:2015
64658
No disponible en español
Publicado (Edición 1, 2015)
Esta publicación se revisó y confirmó por última vez en 2021. Por lo tanto, esta versión es la actual.

ISO 19344:2015

ISO 19344:2015
64658
Idioma
Formato
CHF 129
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Resumen

ISO 19344:2015 specifies a standardized method for the quantification of active and/or total lactic acid bacteria and probiotic strains in starter cultures used in dairy products by means of flow cytometry. The method is also applicable to probiotics used in dairy products and to fermented milk products such as yogurts containing primarily lactic acid bacteria.

This International Standard does not apply to taxonomical differentiation of bacteria. Due to its non-specificity, the method may quantify other bacteria than those within the scope of this International Standard, when present in the sample. This may lead to overestimation of the counts.

The minimum bacterial cell concentration in the sample before applying this standardized method depends on the dilution rates used in the individual protocols. Typically 106 cells per gram or ml are considered within the minimum range.

Informaciones generales

  •  : Publicado
     : 2015-12
    : Norma Internacional confirmada [90.93]
  •  : 1
     : 25
  • ISO/TC 34/SC 5
    67.100.10 
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