Bacteriological Agar

IBI's Bacteriological Agar is a water soluble colloidal extract obtained from certain species of marine red algae; including Gelidium, Pterocladia, and Gracilaria. Impurities, debris, minerals, and pigments are reduced to specific levels during manufacture. Agar is typically used for general…

…lot-to-lot consistency. HydraAgar™ Bacteriological Agar consists of two types of agar products as shown below: HydraAgar™ Agar, Bacteriological Grade Used in the preparation of culture media and other bacteriological applications.  Exellent gel strength (gel…

Synonyms: Agar; Agar-agar; Gum agar Formula: (C₁₂H₁₈O₉)_n CAS No.: 9002-18-0 Quality: A purified agar in which the original naturally occurring pigments, salts and miscellaneous matter have been reduced to a minimum.

CRITERION™ Agar, Bacteriological Grade is used as a solidifying agent in the preparation of solid and semi-solid culture media.

To Prepare: Mix 15 grams per liter in Molecular Biology grade water.

Formula: (C₁₂H₁₈O₉)x F.W. 3000-9000 CAS #: 9002-18-0 Geling Temperature (1.5% in H₂O): ~35°C Gel Strength (1.5% gel): 300g/cm2

Fine, light-colored granules Bacteriological Grade  Gel Strength: 550–950 g/cm2 Gelling Temperature: 34–38 °C Melting Temperature: 84–88 °C pH: 6.0–7.5  Soluble in boiling water

To Prepare: Mix 15 grams per liter in Molecular Biology grade water.

For Educational, Classroom Purposes Only

For Educational, Classroom Purposes Only

Synonym(s): Agar-agar; Gum agar Linear Formula: (C₁₂H₁₈O₉)_n MDL Number: MFCD00081288

Synonyms: Agar-agar; Gum agar Formula: (C₁₂H₁₈O₉)_n CAS No.: 9002-18-0 Other Notes: A purified agar from which the naturally occurring pigments, salts and miscellaneous matter has been reduced to a minimum.

Blood Agar Base is a highly nutritious medium generally used as a basal medium for preparing blood agar by supplementation with blood. It can also be used as general-purpose media without the addition of blood. Blood Agar Base media can be used with added phenolphthalein phosphate (1) for the…

MacConkey Agar Medium is the earliest selective and differential medium for cultivation of enteric microorganisms from a variety of clinical specimens (1, 2). MacConkey agars are slightly selective and differential plating media mainly used for the detection and isolation of gram-negative organisms…

This medium is cited as Agar medium O in British Pharmacopoeia, 2009 (1) recommended for isolation and enumeration of coagulase positive S. aureus . This medium was developed by Baird-Parker (2,3) from the Tellurite-glycine formulation of Zebovitz et.al.(4) for isolation of Staphylococcus aureus …

…This strain of E. coli has been further modified through specific mutation to create an auxotrophic strain that is not capable of growth on nutritionally deficient media. LB Agar 1.5% is useful for propagation of bacteriological stocks, as well as plating and screening bacteriological clones.

…units. Agaropectin is a non-gelling component which consists of D-1,3-glycosidically linked D-galactose units, some of which are sulfated at the 6th position. Agar is specially purified for use in preparing solid culture media for microbiological and bacteriological applications.

…medium by using the anaerobic culture dish (2). Liver Veal Agar is formulated as per the medium of Spray (3). Liver Veal Agar is recommended by APHA (4) and the FDA Bacteriological Analytical Manual (BAM) (5). Liver Veal Agar on supplementation of 50% egg yolk is recommended for the cultivation…

…microbiology procedures. Without any antibiotics Applications The following variations of LB Agar Plates are nutritionally rich media designed for growth of pure cultures of recombinant strains. LB Agar plates are suitable for propagation of E. Coli and other bacteriological stocks.

…testing of common, rapidly growing bacteria by the Bauer-Kirby method, as standardized by the Clinical and Laboratory Standards Institute™(CLSI). Complies with requirements of the World Health Organization and is specified in the FDA Bacteriological Analytical Manual for food testing.

…coli strains used in molecular microbiology procedures. Applications The following variations of LB Agar Plates are nutritionally rich media designed for growth of pure cultures of recombinant strains. LB Agar plates are suitable for propagation of E. Coli and other bacteriological stocks.

…Often cultures enriched in Selenite (M025A) or Tetrathionate Broth (M032) are plated on Brilliant Green Agar as well as Bismuth Sulphite Agar (M027), SS Agar (M108) and MacConkey Agar (M081). Phenol red serves as an acid base indicator giving yellow colour to lactose and or sucrose fermenting…

…samples are diluted and appropriate dilutions are placed in petri plates. Sterile molten agar is added to these plates and plates are rotated gently to ensure uniform mixing of the sample with agar. Plate Count Agar is also suitable for finding out bacterial count from sterile rooms. Storage…

Tryptone Glucose Yeast Extract Agar was originally developed by Bowers and Hucker (1) which they called as Tryptone Glucose Skim Milk Agar. Later on it was modified to the present composition for the cultivation and enumeration of bacteria in air, water (2), milk and dairy products (3). Various…

Purple Agar Base is used for studying carbohydrate fermentation reactions, particularly in the identification of gram-negative enteric bacteria on addition of the desired carbohydrate (1, 2). Purple media were originally formulated by Vera (3) and further modified by addition of beef extract (4).…

Modified Fungal Agar Base is formulated as described by Mead and ONeill (1) for estimating moulds in cosmetics and toiletries. Earlier culture media developed for determining mould counts in cosmetics and toiletries etc. required upto 7 days of incubation for the valid count (2, 3, 4), unlike Mead…

…cosmetics products (4). Vogel-Johnson Agar is prepared according to the formula devised by Vogel and Johnson (1) and is recommended for the microbial limit test in USP (2). Originally it was developed by Zebovitz (3), as a Tellurite Glycine Agar, a selective medium for the detection of…

… Dextrose Tryptone Agar, formulated by Williams is recommended for the detection and enumeration of thermophilic flat sour spoilage organisms (3). It is also recommended for general cultural studies by Cameron (4) and other associations (5-9). Dextrose Tryptone Agar is also useful for enumeration…

Tryptose Blood Agar Base is a tryptose based medium that can be used for the cultivation of fastidious organisms (1, 2), on supplementation with blood. This medium is devoid of dextrose and therefore useful in determining the haemolytic reactions. Tryptose Blood Agar Base is recommended by FDA…

…for the isolation and preliminary identification of Salmonellae, particularly Salmonella Typhi; Bismuth Sulphite Agar is the most productive (4). Bismuth Sulphite Agar is a modification of original Wilson and Blair Medium (5-7). It is also recommended by various Associations (8-13) for…