Tue 23 Sep 08 17:01

 

New Salmonella rapid culture method on market

 

Source of Article: http://www.freshinfo.com/index.php?s=n&ss=nd&sid=46581&s_txt=&s_date=0&ms=&offset=0

 

World-leading microbiology brand Oxoid has launched the AFNOR-validated Salmonella Precis rapid culture method. This method provides results in just two days up to three days faster than standard Salmonella culture methods used in food testing laboratories.

Recently validated and approved by AFNOR to ISO 16140 standard, the Salmonella Precis method can be used with food, animal feed and environmental samples. The procedure is carried out in three simple steps enrichment, plating and confirmation and requires no specialised equipment.

The single 18-hour enrichment is achieved using Oxoid ONE Broth-Salmonella, a highly nutritious medium that promotes recovery and growth of the target organism while inhibiting competing organisms. The growth promoter in the medium allows the recovery of stressed Salmonella cells, even when present in very low numbers.

Plating is undertaken on Oxoid Brilliance Salmonella Agar, the first in a new class of chromogenic media that incorporates Inhibigen technology. The Inhibigen selective agent improves the recovery of Salmonella by reducing background flora. Chromogens in the medium aid easy identification and differentiation by producing brightly coloured colonies.

Cheryl Mooney, product manager at Oxoid, said: This simple method is validated by AFNOR to ISO 16140 standard and offers significant time savings compared to standard culture methods. The Oxoid Salmonella Precis method is, therefore, extremely valuable to food testing laboratories where a quick result is required. In addition, the fact that technicians only have to use a single broth and plate for each sample minimizes handling, saves on lab space and reduces the volume of waste.

 

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