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Merck

1.09877

OGYE selective supplement

for yeasts, for molds, pkg of 10 vials, for use with OGYE agar, Base

Synonym(s):

Oxytetracyclin-Glucose-Yeast Extract selective supplement

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About This Item

NACRES:
NA.74
UNSPSC Code:
41106212
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Product Name

OGYE selective supplement, for yeasts, for molds, pkg of 10 vials, for use with OGYE agar, Base

composition

Oxytetracycline, 0.05 g (in a buffered base )

packaging

pkg of 10 vials

technique(s)

microbiological culture: suitable

application(s)

food and beverages
microbiology

compatibility

for use with OGYE agar, Base
for use with Oxytetra Glucose Yeast Agar (Base) (1.05978)

Quality Level

storage temp.

2-8°C

suitability

molds
yeasts

General description

OGYE Selective Supplement contains oxytetracycline in lyophilized form. It suppresses the growth of accompanying bacterial flora during culturing yeasts and molds.

Other Notes

Replaces: 1.09877.0017

Analysis Note

Tested in OGYE-agar base art. no. 1.05978.
Recovery on test medium
- Candida albicans ATCC 10231 (WDCM 00054):
≥ 50 %
- Saccharomyces cerevisiae ATCC 9763 (WDCM 00058): ≥ 50 %
- Aspergillus brasiliensis (formerly A. niger) ATCC 16404 (WDCM 00053): ≥ 50 %
- Penicillium aurantiogriseum ATCC 16025: ≥ 50 %
Growth
- Bacillus subtilis ATCC 6633 (WDCM 00003):
none
- Escherichia coli ATCC 25922 (WDCM 00013): none
Incubation: 3 up to 5 days; 28 °C; aerobic.

Application

OGYE Selective Supplement is an additive used during the preparation of OGYE Selective Agar (Base) (1.05978) for enumeration of yeasts and molds in food.

pictograms

Health hazard

signalword

Warning

hcodes

Hazard Classifications

Repr. 2

Storage Class

11 - Combustible Solids

wgk

WGK 2


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