Organism-Molds- 48 hours
Source
Aspergillus niger (M6) (re-
classified as
brasiliensis
)
Microbiologics
Aspergillus oryzae
Microbiologics
Aspergillus brasiliensis
Microbiologics
Paecilomyces
sp (M10)
Microbiologics
Penicillium chrysogenum
Microbiologics
Geotrichum candidum
Microbiologics
Cladosporium spp
Microbiologics
Scorulopsiosis acremonium
Microbiologics
Mucor racemosus
Microbiologics/NCPF
Aspergillus ustus
Microbiologics
Aspergillus flavus
3M culture collection
Aspergillus japonicus
3M culture collection
Aspergillus aculeatus
3M culture collection
Aspergillus carbonarius
3M culture collection
Cladosporium herbarum
3M culture collection
Trichoderma virens
3M culture collection
Chaemotium globosum
Microbiologics
Geotrichum capitatum
Microbiologics
1
Yeasts and Molds- Slow growing- 60 hrs
Source
Zygosaccharomyces rouxii
a
Microbiologics
Zygosaccharomyces bailii
a
Microbiologics
Penicillium aurantiogriseum
b
Microbiologics
Aspergillus fumigatus
c
Microbiologics
Botrytis sp (M97)
c
Microbiologics
2
a
Z bailii
and
Z rouxii
are slow growing yeasts - require 60 hours at 25 or 28C
3
b
P aurantiogriseum
is a slow growing mold - requires 60 hours at 25 or 28C
4
c
:
A fumigatus
and M97 prefer a higher temperature for growth. These molds are visible on the Rapid Yeast and Mold plates
5
within 48hrs at 28C but require 60 hours to grow at 25C
6
7
Exclusivity Testing
8
The objective of this experiment was to illustrate the specificity of the 3M Petrifilm RYM Plate method.
9
A total of 4 species of bacteria were tested for exclusivity using the Petrifilm RYM Plate method (Table
10
10). All 4 species of bacteria were chosen from the 3M culture collection. While an exclusivity list is not
11
13
AOAC Research Institute
Expert Review Panel Use Only
OMAMAN-16D/ PTM Report
ERP Use Only - December 2014