Rappaport Vassiliadis Broth-DM221-100g
- Brand: Micromaster
- Catalog No.: DM221-100g
- Quantity/Unit: 100g/Pack
- Usually Shipped in: 1-2 Weeks
Min Orderable Qty : 1 Pack
For lab/research use only, unless otherwise specified
High grade Rappaport Vassiliadis Broth is supplied by Micromaster. It is available in the form of a light yellow to light blue homogenous free flowing powder with a pH in the range of 5.0 to 5.4. It is advisable to store this product between 10-30C in a tightly closed container. Once opened, Rappaport Vassiliadis Salmonella Enrichment Broth should be properly stored in a dry place, after tightly capping the bottle in order to prevent lump formation due to the hygroscopic nature of the product. Store this product in dry ventilated area, away from extreme temperatures and sources of ignition.
- Quantity provided: 100g /pack
Rappaport Vassiliadis Broth is recommended for selective enrichment of Salmonella species from pharmaceutical products in accordance with the microbial limit testing by harmonized methodology of USP/EP/BP/JP/IP. This medium can also be used in direct enrichment of samples containing low inoculum. Salmonella generally survive at little high osmotic pressure, grow at slightly low pH and are resistant to malachite green compared to other bacteria. These characteristics are exploited for the selective enrichment of Salmonella in this medium. Magnesium chloride present in the medium raises the osmotic pressure. Natural sugars of Papaic digest of soyabean meal provide essential growth nutrients and enhance the growth of Salmonella. Phosphate buffers the medium to maintain constant pH. Sodium chloride maintains the osmotic balance. Malachite green inhibits many gram-positive bacteria, while selectively enriching Salmonella.
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