This Standard sets out procedures for the microbiological examination of sweetened condensed milks and recombined sweetened condensed milks, flavoured and unflavoured.
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Referenced documents
3 Diluents, culture media and reagents
3.1 General
3.2 Peptone solution, 0.1% plus 20% sucrose
3.3 Dichloran glycerol 18% (DG18) agar, 75 mL amounts
3.4 Gram stain reagents
3.5 Other diluents, culture media and reagents
4 Equipment
4.1 Sterilization of apparatus
4.2 Scalpel or scissors
4.3 Wide-mouthed jars
4.4 Petri-dishes, 150 mm in diameter
4.5 Opening assembly
5 Laboratory samples
5.1 From bulk product
5.2 Retail containers
6 Examination of containers before opening
7 Preparation of containers for opening
7.1 Non-swollen containers
7.2 Swollen containers
8 Opening of containers
8.1 Non-swollen containers
8.2 Swollen containers
9 Transfer of test samples
10 Tests
10.1 Preparation of first dilution
10.2 Specific microorganisms
10.3 Yeast and mould count
10.4 Detection of low levels of gram-positive cocci
