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14781

Millipore

XLD Agar ISO 6579-1:2017

suitable for microbiology, NutriSelect® Plus

Synonym(s):

Xylose Lysine Deoxycholate Agar

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About This Item

UNSPSC Code:
41171606
NACRES:
NA.85

Agency

according to ISO 19250:2010
according to ISO 6579-1:2017

Quality Level

sterility

non-sterile

form

powder

shelf life

limited shelf life, expiry date on the label

composition

agar, 15.0 g/L
ferric ammonium citrate, 0.80 g/L
lactose, 7.5 g/L
L-lysine hydrochloride, 5.0 g/L
phenol red, 0.08 g/L
sodium chloride, 5.0 g/L
sodium deoxycholate, 1.0 g/L
sodium thiosulfate, 6.8 g/L
sucrose, 7.5 g/L
xylose, 3.75 g/L
yeast extract, 3.0 g/L

manufacturer/tradename

NutriSelect® Plus

final pH

7.4±0.2 (25 °C)

application(s)

food and beverages
water monitoring

microbiology

suitability

Salmonella spp.

Application

XLD Agar is used for the isolation and enumeration of Salmonella Typhi and other Salmonella species.

Preparation Note

Suspend 55.43 grams in 1000 ml distilled water. Heat with frequent agitation until the medium boils. DO NOT AUTOCLAVE OR OVERHEAT. Transfer immediately to a water bath at 50°C. After cooling, pour into sterile Petri plates. It is advisable not to prepare large volumes that will require prolonged heating.

Footnote

We offer two media types: the superior granulated GranuCult® and the cost-efficient powdered NutriSelect® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Legal Information

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Taylor, W. L. and Schelhart, B.
American Journal of Clinical Pathology, 16, 1387-1387 (1968)
Biochemical identification of hospital enterobacteria by replica agar plating.
P Chadwick et al.
Canadian journal of microbiology, 20(12), 1653-1664 (1974-12-01)
W I Taylor et al.
Applied microbiology, 18(3), 393-395 (1969-09-01)
Efficacies of Gram Negative Broth (GN) and Rappaport's Enrichment Broth (RE) were compared for detection of enteric pathogens from clinical specimens. Whereas direct streaking on four plating media found 57% of the salmonellae, GN found 80% and RE found 92%
Isolation of shigellae. II. Comparison of plating media and enrichment broths.
W I Taylor et al.
American journal of clinical pathology, 44(4), 476-479 (1965-10-01)
Downes, F. P. and Ito, K. (Ed) et al.
Compendium of Methods for the Microbiological Examination of Foods (2001)

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