XLT4 AGAR SUPPLEMENT (C15-1296-341)

General description

XLT-4 Agar Supplement contains sodiumtetradecylsulfate solution (26-28 %). It is a surfactant that inhibits thegrowth of accompanying flora and is used during the preparation of XLT-4 AgarBase to isolate and identify pathogenic Enterobacteriaceae.

Application

XLT-4 Agar Supplement is an additive used during the preparation of XLT-4 Agar Base for the isolation and identification of pathogenic Enterobacteriaceae, especially Salmonella spp.

Compatibility

For use with GranuCult^® XLT4 agar (Base) (1.13919)

Analysis Note

Growth
- Salmonella enteritidis ATCC 13076 (WDCM 00030):
good to very good
- Salmonella typhimurium ATCC 14028 (WDCM 00031): good to very good
- Salmonella anatum ATCC 9270: fair to very good
- Shigella sonnei ATCC 11060: fair to very good
- Shigella flexneri ATCC 12022 (WDCM 00126): good to very good
- Enterobacter aerogenes ATCC 13048: fair to good
- Citrobacter freundii ATCC 8090: fair to good
- Escherichia coli ATCC 25922 (WDCM 00013): none to fair
- Proteus mirabilis ATCC 14273: none to poor
Black centre
- Salmonella enteritidis ATCC 13076 (WDCM 00030):
+
- Salmonella typhimurium ATCC 14028 (WDCM 00031): +
- Salmonella anatum ATCC 9270: +
Colony colour
- Shigella sonnei ATCC 11060:
colourless
- Shigella flexneri ATCC 12022 (WDCM 00126): colourless
- Enterobacter aerogenes ATCC 13048: yellow
- Citrobacter freundii ATCC 8090: yellow
- Escherichia coli ATCC 25922 (WDCM 00013): colourless to yellow
Incubation: 24 - 48 hrs.; 35 °C.
Supplement tested with XLT4 agar base Art. 1.08981.

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany