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BS ISO 29981:2010

$142.49

Milk products. Enumeration of presumptive bifidobacteria. Colony count technique at 37 °C

Published By Publication Date Number of Pages
BSI 2010 28
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PDF Pages PDF Title
9 Scope
Normative references
10 Terms and definitions
Principle
11 Culture media, diluents and reagents
Basic materials
Diluent(s)
Culture medium (TOS-MUP medium)
Basic medium (TOS-propionate agar medium, see Reference [10]
Composition
12 Transgalactosylated oligosaccharide mixture
Preparation
MUP supplement solution (see Reference [11])
Complete medium
13 Apparatus
Other suitable and safety-proven low-temperature catalyst sy
Sampling
14 Procedure
General
Preparation of the test portion and primary dilution
Dried milk products, e.g. infant milk formulae
Probiotic yogurt or yogurt-like products
15 Microscopic examination
Preparation of decimal dilutions
Inoculation
16 Duration of the procedure
Incubation
Counting of the colonies
Reading of the Petri dishes — confirmation
Calculation and expression of results
Calculation
17 Expression of results
18 Precision
Interlaboratory test
Repeatability
Reproducibility
19 Precision data collectively defined for dairy products
21 Knowledge of use of the method
Test report
BS ISO 29981:2010
$142.49