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TSA contains enzymatic digests of casein and soybean meal, which provide amino acids and other nitrogenous substances, making it a nutritious medium for a variety of organisms. Sodium chloride maintains the osmotic equilibrium, while dipotassium phosphate acts as buffer to maintain pH. Agar extracted from any number of organisms is used as a ...
It is a general purpose medium that is routinely used to grow bacteria which tend to have high nutritional ... 17 g pancreatic digest of casein; 3 g peptic digest of ...
Casein hydrolysate media is a general purpose culture medium used for cultivating various bacteria. [1] It contains hydrolyzed casein as a source of amino acids , various minerals that are required for growth, and sodium or potassium phosphate as a buffering agent .
Rappaport-Vassiliadis soya peptone broth (RVS broth) is used as an enrichment growth medium for the isolation of Salmonella species. [1] It is not recommended for the enrichment of Salmonella Typhi or Paratyphi, which is inhibited due to the malachite green in RVS broth. [2] It is an alternative to selenite broth.
Casein nutrient agar (CN) is a growth medium used to culture isolates of lactic acid bacteria such as Streptococcus thermophilus and Lactobacillus bulgaricus. It is composed of standard nutrient agar with the added ingredient of skim milk powder, which contains casein. Lactic Acid Bacteria will precipitate casein out of the agar by lowering the ...
The soybean, soy bean, or soya bean (Glycine max) [3] is a species of legume native to East Asia, widely grown for its edible bean, which has numerous uses. Traditional unfermented food uses of soybeans include soy milk, from which tofu and tofu skin are made. Fermented soy foods include soy sauce, fermented bean paste, nattō, and tempeh.
Plate count agar (PCA), also called standard methods agar (SMA), is a microbiological growth medium commonly used to assess or to monitor "total" or viable bacterial growth of a sample. PCA is not a selective medium. The total number of living aerobic bacteria can be determined using a plate count agar which is a substrate for bacteria to grow on.
In some parts of China, the term 豆浆 dòujiāng (lit. "bean broth") is used for the traditional watery beverage produced as an intermediate product in the production of tofu, while store-bought products designed to imitate the flavor and consistency of dairy milk (and may contain a mixture of dairy and soy), are more often known as 豆奶 dòunǎi ("bean milk").