45 MEDIA AND CHEMICAL PRODUCTS Ready-to-use media MRS deMan, Rogosa, Sharpe (Agar) For lactobacillus culture. The pH 5.4 medium allows the enumeration of Lactobacillus bulgaricus in yoghurt. Part no. Designation Cond. CHF 693449 200 ml bottle of MRS agar - ClearLine® 6 NC - z Storage: 2 - 8 °C (for dehydrated base and for ready-to-use media) z Incubation: 35 °C for 3 days or 30 °C for 5 days in a CO2enriched atmosphere Nutrient agar with sodium chloride ISO 21258 Ready-to-use media Medium recommended by ISO 21528 for the confirmation of Enterobacteriaceae. z Storage: 2 - 25 °C (dehydrated base and ready-to-use medium) z Incubation: 37 ± 1 °C for 24 ± 2 h Part no. Designation Cond. CHF 693374 100 ml bottle of nutrient agar with sodium chloride - ClearLine® 10 NC - O.G.A. (Oxytetracycline Glucose Agar) (O.G.Y.E.) Ready-to-use media Recommended for the enumeration of yeasts and moulds in milk, dairy products and food. z Storage: 2 - 25 °C (Dehydrated base and ready-to-use medium) z Incubation: 20 - 25°C for 5 - 7 days Part no. Designation Cond. CHF 693375 100 ml bottle O.G.A. agar (O.G.Y.E.) - ClearLine® 10 NC - Peptone salt Low peptone isotonic diluent used for dilutions in food analysis. z Storage: 20 - 25 °C Part no. Designation Cond. CHF 693304 ClearLine® peptone salt - 9 ml tube 100 NC - 693424 ClearLine® peptone salt - 25 ml tube 100 NC - 693395 ClearLine® peptone salt - 45 ml bottle 10 NC - 693305 ClearLine® peptone salt - 90 ml bottle 10 NC - PCA Plate count agar For the investigation of total flora in food products. z Storage: 8 - 15 °C z Incubation: 30 °C for 72 h Ready-to-use media Part no. Designation Cond. CHF 693338 100 ml bottle - PCA agar - ClearLine® 10 NC - 693339 200 ml bottle - PCA agar - ClearLine® 6 NC - 693438 Sloped tube - PCA agar - ClearLine® 100 NC - z Ceftazimide 10 mg z Polymyxin B sulphate 5 mg z Acryflavin 2.5 mg PCA skimmed milk Ready-to-use media For the investigation of total flora in food products. z Storage: 2 - 25 °C dehydrated base and for ready-to-use medium z Incubation: - In compliance with ISO 11133: 30 ± 1°C for 72 h ± 3 h - according to APHA: 32 ± 2 °C for 18 - 48 h Part no. Designation Cond. CHF 693376 100 ml bottle - PCA skimmed milk gelose - ClearLine® 10 NC - PCA without glucose (Agar) Ready-to-use media Used in water bacteriology for counting revivifiable micro-organisms. z Storage: 2 - 25 °C dehydrated base and for ready-to-use medium z Incubation: - For a series of boxes : 36 ± 2 °C for 44 h ± 4 h - For another series of boxes : 22 ± 2 °C for 68 ± 4 h Part no. Designation Cond. CHF 693377 100 ml flask - PCA agar without glucose - ClearLine® 10 NC - R2A (Agar) Ready-to-use media For the heterotropic enumeration of bacteria in drinking water by the membrane filtration technique or agar plating. z Storage: 2 - 25 °C dehydrated base and for ready-to-use medium z Incubation: - According to the standard methods for water and wastewater: 20 - 28 °C for 5 - 7 days then 35 °C for 5 - 7 days - According to the pharmacopoeia: 30 - 35 °C for at least 5 days - For general use: 35 ± 2 °C for 24 - 72 h Part no. Designation Cond. CHF 693379 100 ml bottle - R2A agar - ClearLine® 10 NC - Rappaport Vassilliadis (RV - Broth) Ready-to-use media For the selective enrichment of salmonella in foodstuffs. Part no. Designation Cond. CHF 693414 10 ml tube - Rappaport Vassilliadis broth - ClearLine® 100 NC - 693380 100 ml bottle - Rappaport Vassilliadis broth - ClearLine® 10 NC - z Storage: 2 - 25 °C (for dehydrated base) and 2 - 8 °C (for ready-touse media) z Incubation: 30 - 35 °C for 18 - 24 h Rappaport Vassilliadis Soja (RVS - Broth) Ready-to-use media For the selective enrichment of salmonella in foodstuffs or pharmaceutical products. Part no. Designation Cond. CHF 693415 10 ml tube - Rappaport Vassilliadis soy broth - ClearLine® 100 NC - z Storage: 2 - 25 °C (for dehydrated base) and 2 - 8 °C (for ready-touse media) z Incubation: 41.5 ± 1 °C for 24 ± 3 h
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