Lauryl Sulfate Tryptone Broth

2026-03-27 10:24:45

  [Number]: VIP (HB) KD0102

  [Product Name]: Lauryl Sulfate Tryptone Broth (LST) Granules

  [Specifications]: 300ml/bag * 10

  [Purpose]:

　　Lauryl Sulfate Tryptone Broth (LST) Granules

　　名称：Lauryl Sulfate Tryptose Broth

　　Part Number: VIP (HB) KD0102

　　Specifications: 300ml/bag * 10

　　Product use: for the determination of coliform bacteria and Escherichia coli (GB, SN standards)

Lauryl sulfate tryptone broth (LST) granular composition (g/L)

　　Tryptone 20.0g

　　Sodium chloride 5.0g

　　Lactose 5.0g

　　Dipotassium hydrogen phosphate 2.75g

　　Potassium dihydrogen phosphate 2.75g

　　Sodium lauryl sulfate 0.1g

　　PH value 6.8 ± 0.2

　　Quality control and typical characteristics

　　Cultured at 36 ± 1 ℃ for 48 ± 2 hours, coliform bacteria, Escherichia coli and gram-negative bacteria fermenting lactose produced gas with bubbles in the small inverted tube; other bacteria had no bubbles.

　　Microbial sensitivity test of lauryl sulfate tryptone broth (LST) (granules):

　　Prepare the media according to the label usage, inoculate the following quality control strains, and place them at 36 ± 1 ° C for aerobic culture for 24-48 hours.
月桂基硫酸盐胰蛋白胨肉汤（LST）颗粒

　　Statement: This reference substance and standard substance is provided by [China Inspection and Metrology] for website inquiry and purchase services

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