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Y291920 YNB 无氨基酸酵母氮源
 产品货号: Y291920
 产品名称: Y291920 YNB 无氨基酸酵母氮源
 产品价格/规格: 100g 350元
 产品说明书: 暂无
 更新时间: 2021-05-22
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  • Yeast Nitrogen Base without amino acids

    酵母氮源(无氨基酸,含硫酸铵,不含碳水化合物)

    Storage:RT

    Appearance……………….white to off-white powder

    Solubility…………………...clear to slightly hazy yellow solution at 0.67% (w/v) in water

    说明:Yeast Nitrogen Base without Amino Acids is used for classifying yeasts based on amino acid and carbohydrate requirements. It contains all essential vitamins and inorganic salts necessary for the cultivation of yeasts except histidine, methionine, tryptophan and a source of carbohydrate.

    Preparation instructions:

    1. Prepare a 10× stock solution by suspending 6.7 g of yeast nitrogen base, 5 g of glucose or an equivalent amount of other carbohydrate, and 5-10 mg of the desired amino acid in 100 mL of distilled water.

    2. Warm if necessary to solubilize and sterilize by filtration.

    Store 10× stock solution at 2-8 °C. To use, dilute 1:10 with sterile distilled water under aspetic conditions.

    100g            350元           货号:Y291920




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