Lactose peptone medium

2026-03-27 10:24:45

  [Number]: VIP (HB) 0119

  [Product name]: Lactose peptone culture solution

  [Specifications]: 250g

  [Purpose]:

　　Lactose peptone medium

　　Name: Lactose Peptone Broth

　　Part Number: VIP (HB) 0119

　　Specifications: 250g

　　Purpose: Used for the determination of total coliform in drinking water and water sources

Lactose peptone mediumComposition (g/L)

　　Peptone 10.0 g

　　Beef extract 3.0g

　　Lactose 5.0g

　　Sodium chloride 5.0g

　　Bromocresol Violet 0.016g

　　PH 7.3-7

　　🥰 Please store in a cool and dry place

Lactose peptone mediumusage

　　Weigh 2.3 grams of this product, heat it and dissolve it in 100ml of distilled water, sub-pack it into 20mm × 150mmm test tubes with inverted fermentation tubes, 10ml per tube, autoclave at 115 ° C for 20 minutes for backup.
乳糖蛋白胨培养液

　　In the lactose peptone medium, the turbidity of Escherichia coli was 2, the gas filled 1/3 of the tube, and the acid production turned yellow; Salmonella typhimurium was 2;

　　Staphylococcus aureus is turbidity 2, acid-producing yellowing; Citrobacter freundii is turbidity 2, gas fills 1/3 of the tube, acid-producing yellowing.

　　Microbial sensitivity test of lactose peptone medium:

　　The media was prepared according to the label usage, inoculated with the following quality control strains, and placed at 36 ± 1 ° C for aerobic culture for 24 ± 2 hours.
乳糖蛋白胨培养液

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

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