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Fluid Selenite Cystine Medium (Twin Pack)-U-500g

Fluid Selenite Cystine Medium (Twin Pack)-U-500g

₹ 5,204.00 *
(0)
  • Brand: Micromaster
  • Catalog No.: DM475U-500g
  • Quantity/Unit: 500g/Pack
  • Usually Shipped in: 1-2 Weeks

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Min Orderable Qty : 1 Pack


For lab/research use only, unless otherwise specified

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Fluid Selenite Cystine Medium (Twin Pack) is supplied by Micromaster. It is available as two parts where part A is composed of cream to yellow powder and part B consists of white to cream homogeneous free flowing powder. It has a pH in the range of 6.8 to 7.2. This product should be stored between 10-30C in a tightly closed container. Once opened, it should be properly stored, after tightly capping the bottle.

Quantity provided: 500 g/pack

Fluid Selenite Cystine Medium is recommended as an enrichment medium for isolation of Salmonellae from foods, dairy products, materials of sanitary importance and clinical specimens in compliance with USP. Fluid Selenite Cystine Medium is a modification of Leifsons formula with added cystine. Selenite Cystine Broth is useful for detecting Salmonella in the non-acute stages of illness when organisms occur in the faeces in low numbers and for epidemiological studies to enhance the detection of low numbers of organisms from asymptomatic or convalescent patients. Fluid Selenite Cystine Medium is used as selective enrichment medium for the cultivation of Salmonella species. This medium is formulated to allow the proliferation of Salmonella while inhibiting the growth of competing nonSalmonella organisms. Tryptone provides nitrogenous substances. Lactose is the fermentable carbohydrate and maintains the pH in medium as selenite is reduced by bacterial growth and alkali is produced. An increase in pH lessens the toxicity of the selenite and results in overgrowth of other bacteria. The acid produced by bacteria due to lactose fermentation serves to maintain a neutral pH. Phosphate maintains a stable pH and also lessens the toxicity of selenite. L-cystine is the reducing agent, improving the recovery of Salmonella. Enriched broth is subcultured on solid medium.

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