Crystal violet neutral red bile salt agar (

2026-03-27 10:24:45

  [Number]: VIP (HB) KP0114

  [Product name]: Crystal violet neutral red bile salt agar (VRBA) granules

  [Specifications]: 250g

  [Purpose]:

　　Crystal Violet Neutral Red Bile Salt Agar (VRBA) Granules

　　Violet Red Bile Agar

　　Part Number: VIP (HB) KP0114

　　Specifications: 250g

　　Purpose: Used for solid plate detection of coliform bacteria

Crystal violet neutral red bile salt agar composition (g/L)

　　peptone 7.0

　　Yeast Powder 3.0

　　Sodium chloride 5.0

　　Lactose 10.0

　　Bile salt 1.5

　　Crystal Violet 0.002

　　Neutral Red 0.03

　　Agar 15.0

　　pH value 7.4 ± 0.1 25 ℃

　　usage

　　Weigh 41.5g of this product, heat it and dissolve it in 1000ml distilled water, boil it for no more than 2 minutes. Take 1ml of sample solution with appropriate dilution, add it to the center of a sterile plate, and pour 10-15ml of VRBA cooled to 45 ± 0.5 ° C into the plate. Carefully rotate the plate to fully mix the medium with the sample solution. After solidification, add 3-4ml of VRBA to cover the surface of the plate, turn the plate over, and incubate it at 36 ± 1 ° C for 18-24 hours. No autoclaving is required. Preparation should not exceed 3 hours when used temporarily.

　　Characteristics of bacterial colonies on crystal violet neutral red bile salt agar (VRBA):
结晶紫中性红胆盐琼脂（VRBA）颗粒

　　Microbial sensitivity test of crystal violet neutral red bile salt agar (VRBA) granules:

　　Prepare the medium according to label usage, inoculate the followingquality control strainPlace at 36 ± 1 ° C for aerobic incubation for 18-24 hours.
结晶紫中性红胆盐琼脂（VRBA）颗粒

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