Wickerham formula, classification of yeasts based on amino acid and carbohydrate requirements.

CRITERION™ Papaic Digest of Soybean Meal is an enzymatic soybean meal prepared especially for use in microbiological cultures. It is recommended for use in media for the cultivation of a large variety of organisms, including fungi, and is also used in media for microbiological assay.

BD Supplies more than 400 different BD Difco™ and BD BBL™ brand media formulations and ingredients in dehydrated form for the convenience of the laboratorian and bioprocessing specialist.

Gelatin Peptone is prepared by enzymic digestion of gelatin and as such it is characterized by low Cystine, Tryptophan and Carbohydrate content. It is used in antibiotic assay media yielding low but reliable and reproducible growth level in media used for various fermentation studies. And also used…

Hardy Diagnostics CRITERION™ Tryptic Soy Agar is recommended for use as a general growth medium for the isolation and cultivation of microorganisms. This medium is also recommended for use in the cultivation, storage, and transportation of pure cultures of bacteria. CRITERION™…

Baird Parker Agar was developed by Baird Parker (1, 2) from the Tellurite-glycine formulation of Zebovitz et al (3) for isolation and enumeration of Staphylococci in food and other material since it allows a good differentiation of coagulase positive strains. A high correlation has been found…

HiVeg Medium used for the sterility testing of certain biological products which are turbid or viscous and cant be tested using Fluid Thioglycollate Medium (M009). Both the media have similar composition, except agar and resazurin that are not included in Alternative Thioglycollate Medium. This…

BD supplies more than 400 different BD Difco™ and BD BBL™ brand media formulations and ingredients in dehydrated form for the convenience of the laboratorian and bioprocessing specialist. Identical in formulation to trypticase soy broth (tryptic soy broth is the difco brand, trypticase soy broth…

Beef Extract Paste is prepared from specially selected fresh lean beef for use in bacteriological culture media. It is highly nutritious and supports good growth of a wide variety of microorganisms. Owing to its nutritive value, it serves as a crude source of carbon and nitrogen, therefore…

It is used to prepare culture media for cultivation of Neisseria, Yersinia, Staphylococci & Streptococci. It can also be used for cultivation of other fastidious bacteria on a large scale. Peptone Special is an enzymatic digest of animal tissues specifically designed to maximize the growth…

Coliforms are considered to be members of Enterobacteriaceae , which grow in the presence of bile salts and produce acid and gas from lactose within 48 hours at 37°C (1). These bacteria can also be defined as, members of Enterobacteriaceae capable of growing at 37°C, that normally…

HM Extract Powder is specially selected to yield maximum growth of fastidious microorganisms. It is a yellowish brown colored powder having an agreeable meat like odor and taste. It readily dissolves in distilled water, forming yellowish brown colored solution, which remains clear even after…

Bile Salts is extracted under controlled conditions from purified fresh bile, to be used in bacteriological culture media as a selective inhibitory agent for isolation and identification of pathogens. It is used in media for example MacConkey Agar/Broth, SS Agar, VRBA, Fluid Tetrathionate Medium,…

Casein Acid Hydrolysate is used in preparation of microbiological media. It is an acid hydrolysate of casein. It has Sodium chloride less than 3% and is Vitamin free. Appearance Off white to light yellow Homogenous Free flowing powder, having Characteristic odor but not putrescent. …

For propagation and maintenance of E. Coli. Low Salt Formula. Molecular Biology Grade. Dissolve 20 grams in 1 liter distilled water. Then adjust pH to 7.2. Heat and frequently agitate to completely dissolve. Sterilize by autoclaving for 15 minutes. Ingredients: Tryptone: 10 g/L …

CRITERION™ Half Fraser Broth Base is used with Fraser Broth Supplement for the selective enrichment and detection of Listeria spp. from food and environmental samples.

SM Growth Powder is recommended for cultivation of dairy organisms and differentiation of Clostridium species. (Sterilization at 121deg C for 5 mins). Addition of SM powder to nutrient-rich medium creates favorable conditions for growth of organisms, which are encountered in milk. Bacillus…

It is a purified component of Ox bile(free from bile acid) is recommended as a selective agent in microbiological culture media. Appearance Light yellow to light brown,Homogeneous Free flowing, hygroscopic powder having characteristic sharp odor, but not putrescent. Solubility Freely…

Beef Extract powder Type I is prepared from lean beef, for use in bacteriological preparation and general purpose media. Appearance Light yellow to yellow Homogenous Free flowing powder,having Characteristic odor but not putrescent. Solubility Freely soluble in distilled/purified water,…

CRITERION™ GC Agar Base is used in the preparation of media for the cultivation and selective isolation of fastidious organisms such as Neisseria and Haemophilus species. VCAT Selective Supplement, product #SR104B and GC Growth Supplement, Vitox with Diluent, product #SR090A, are required for…

HM Peptone is used for routine and mass scale cultivation of organisms for production of antibiotics, enzymes, and vitamin production. It is also use for general purpose culture media for routine cultivation of a variety of microorganisms. It is equivalent to Meat Peptone. Application: For Routine…

Hardy Diagnostics CRITERION™ Brilliant Green Agar is recommended for the selective enrichment of Salmonella spp. other than S. typhi and S. paratyphi from clinical and non-clinical specimens. CRITERION™ Dehydrated Culture Media by Hardy Diagnostics is formulated to meet or exceed…

CRITERION™ Mueller Hinton Agar is recommended for use in the cultivation of a wide variety of microorganisms. Mueller Hinton Agar is recommended for disk diffusion sensitivity testing of non-fastidious organisms.

Dried yeast autolysate with a high content of amino nitrogen and water soluble B complex vitamins. Due to its low NaCl content this quality is well suited for tissue culture. Ingredients: Total Nitrogen (TN): ~9.8% Amino Nitrogen (AN): ~5.1% AN/TN Ratio: ~0.52 Sodium Chloride:…

BD Difco™ Dehydrated Culture Media Manufactured and tested for uniformity and consistency from lot-to-lot Packaging offered in 100 g, 500 g, 2 kg and 10 kg BBL/Difco Laboratories maintains a strong commitment to research and development, resulting in an extensive range…

Being rich in essential amino acids it is used to supplement Tissue Culture Media and fermentation media. It is rich in tryptophan content, therefore, used in Indole test. It is included in preparation of baculovirus serum free medium for production of recombinant protein. It is also used in…

CRITERION™ Yeast Extract is prepared and standardized for bacteriological use. It is an excellent stimulator of bacterial growth and is used in culture media in place of, or in addition to, beef extract.

Examination of water, foods, ingredients and raw materials, for the presence of marker groups such as coliforms is one of the most common tests in a microbiology laboratory, partly because of the relative ease and speed with which these tests can be accomplished. Where it is claimed that drinking…

Enriched media for maintenance and propogation of E. coli and plasmid growth. Produces higher cell densities resulting in greater yields of DNA or recombinant problem. Glycerol is used as a carbon source with this formulation instead of glucose as it will not ferment to acetic acid. …

Pancreatic digest of casein used to supplement media in cultivation of anaerobic bacteria. pH (1% solution): 7.3. Ingredients: Molecular Biology Grade Total Nitrogen (TN): ~12.7% Amino Nitrogen (AN): ~3.7% AN/TN Ratio: 0.26 Sodium Chloride: ~0.4% Tryptophan: ~1.0

BD supplies more than 400 different BD Difco™ and BD BBL™ brand media formulations and ingredients in dehydrated form for the convenience of the laboratorian and bioprocessing specialist.

Luria Bertani Broth, Miller (1) is slightly different with double amount of sodium chloride as compared to original media described by Lennox (2) for cultivation and maintenance of recombinant strains of Escherichia coli . The media is nutritionally rich for the growth of pure cultures of…