Yeast Nitrogen Base

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Yeast Nitrogen Base
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  • Yeast Nitrogen Base without Amino Acids is formulated as per Wickerham (1, 2) and is used for investigating amino acid and carbohydrate requirement of yeasts. This medium has the same composition as Yeast Nitrogen Base (M139) medium except the amino acids histidine, methionine and tryptophan. …

  • Yeast without Amino/Ammonium

    RPI (Research Products International)

    For classifying yeasts based on amino acid and carbohydrate requirements. Contains all essential vitamins and inorganic salts necessary for the cultivation of yeasts. Excludes histidine, methionine, tryptophan, carbon and nitrogen source. Also Contains <1 mg/l each of vitamins and trace inorganic…

  • Application: For the classification of yeast based on carbon assimilation and for susceptibility testing of fungi

  • Yeast Nitrogen Base without Amino Acids, 2 Kilograms

    RPI (Research Products International)

    For classifying yeasts based on amino acid and carbohydrates requirements. Contains all essential vitamins and inorganic salts necessary for the cultivaiton of yeasts. Excludes histidine methionine, tryptophan and carbon source. Also contains <1 mg/L each of vitamins and trace inorganic salts.

  • …test carbon assimilation in the presence of a carbon source like glucose, galactose, or raffinose Based upon the formulation of Yeast Agar except that Ammonium Sulfate is the sole nitrogen source and that addition of carbon source is required pH: 5.4 Dehydrated Appearance: off-white,…

  • Yeast Nitrogen Base (YNB) w/ Ammonium Sulphate is used for the growth of all strains of Saccharomyces cerevisiae . This medium has been formulated after following the procedures of Wickerham and Burkholder (1, 2, 3). This is a well defined medium consisting of salts, vitamins and ammonium sulphate…

  • …of 76 mg/L. Other nutrients: Adenine (18 mg/L), inositol (76 mg/L), p-aminobenzoic acid (8 mg/L), uracil (76 mg/L). Quantity: 1.54 g will supplement 1 liter of medium. Other Notes: Mixtures of amino acids and other nutrients to be added to Yeast Nitrogen Base Without Amino Acids.

  • Yeast Nitrogen Base without Amino Acids contains all essential nutrients and vitamins and inorganic salts necessary for the cultivation of yeasts except histidine, methionine, tryptophane and a source of carbohydrate.

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

  • Storage Temperature: 2-8°C Application: Recommended for use in classification of yeasts on the basis of their ability to assimilate nitrogen compounds. Components: Ingredients (g/L) Dextrose, 10.00 L -Histidine hydrochloride, 0.001 DL -Methionine, 0.002 DL -Tryptophan, 0.002 Biotin,…

  • Yeast Nitrogen Base

    Alfa Aesar

    Harmonized Tariff Code:  3821.00

  • Storage: room temp

  • Application: Recommended for use in classifying yeasts based on carbon and nitrogen requirements. Contains all essential nutrients required for the growth of yeasts except amino acids, nitrogen and carbohydrate. Addition of nitrogen and carbon sources is required. Components: Ingredients Biotin,…

  • For classifying yeasts based on amino acid and carbohydrate requirements. Contains all essential vitamins and inorganic salts necessary for the cultivation of yeasts. Excludes histidine, methionine, tryptophan, carbon and nitrogen source. Also Contains <1 mg/l each of vitamins and trace inorganic…

  • …which is present at 380 mg/L. Other nutrients: Adenine (18 mg/L), inositol (76 mg/L), p-aminobenzoic acid (8 mg/L) Quantity: 1.92 g will supplement 1 liter of medium. Other Notes: Mixtures of amino acids and other nutrients to be added to Yeast Nitrogen Base Without Amino Acids.

  • …of 76 mg/L. Other nutrients: Adenine (18 mg/L), inositol (76 mg/L), p-aminobenzoic acid (8 mg/L), uracil (76 mg/L). Quantity: 1.6 g will supplement 1 liter of medium. Other Notes: Mixtures of amino acids and other nutrients to be added to Yeast Nitrogen Base Without Amino Acids.

  • For classifying yeasts based on amino acid and carbohydrates requirements Requires addition of a carbon source Does not contain histidine, methionine, or trypophan pH: 5.2 - 5.6 Working Concentration: 6.7 g/L (single-strength) or 67 g/L (10X) Can be supplemented with choice…

  • …of 380 mg/L. Other nutrients: Adenine (18 mg/L), inositol (76 mg/L), p-aminobenzoic acid (8 mg/L), uracil (76 mg/L). Quantity: 1.92 g will supplement 1 liter of medium. Other Notes: Mixtures of amino acids and other nutrients to be added to Yeast Nitrogen Base Without Amino Acids.

  • …at 380 mg/L. Other nutrients: Adenine (18 mg/L), inositol (76 mg/L), uracil (76 mg/L), p-aminobenzoic acid (8 mg/L). Quantity: 1.92 g will supplement 1 liter of medium. Other Notes: Mixtures of amino acids and other nutrients to be added to Yeast Nitrogen Base Without Amino Acids.

  • …has been reported on M-Tergitol 7 Agar Base as compared to M-Endo Agar LES (4). The casein enzymic hydrolysate and peptic digest of animal tissue provide necessary nitrogenous growth factors. Yeast extract is the source of B-vitamins and organic nitrogen and carbon compounds. Lactose is the…

  • TB Broth Base

    HiMedia

    …helps in the cultivation of Mycobacterium tuberculosis though some bovine strains are inhibited by it. Proteose peptone and yeast extract provide nitrogenous nutrients like amino acids and peptides, vitamin B complex and other essential nutrients. The medium is well buffered by phosphates.…

  • TB Broth Base

    HiMedia

    …helps in the cultivation of Mycobacterium tuberculosis though some bovine strains are inhibited by it. Proteose peptone and yeast extract provide nitrogenous nutrients like amino acids and peptides, vitamin B complex and other essential nutrients. The medium is well buffered by phosphates.…

  • …foods (5). Casein enzymic hydrolysate and peptic digest of animal tissue provide organic nitrogen. Yeast extract serves as a source of vitamin B complex, and additionally it also supplies some nitrogenous nutrients. Sodium bisulphite is a reducing agent and sodium chloride helps to maintain the…

  • …differentiation of G. vaginalis based on beta haemolysis (3, 4). Vaginalis Agar Base is used for the isolation of G. vaginalis from vaginal discharges (5).Peptic digest of animal tissue, casein enzymic hydrolysate, yeast extract and beef extract provide nitrogenous compounds, carbon, sulphur,…

  • …spreading of molds. It also inhibits bacterial growth and helps in the identification of fungi. Peptic digest of animal tissue and yeast extract serve as sources of nitrogen, amino acids and B complex vitamins. Ferric ammonium citrate aids in the production of yellow orange pigment characteristic of…

  • …addition, the formulation complies with recommendations by the USP for microbial limit testing (2). Casein enzymic hydrolysate and yeast extract provide nitrogenous compounds, vitamin B complex and other growth nutrients. Dipotassium phosphate provides buffering to the medium. During the first…

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