.

Liquid Chromogenic Culture Media

Liquid Chromogenic Culture Medium

Coliforms and E. coli liquid chromogenic medium

Performance Characteristics of Liquid Chromogenic Culture Media

Product Details of Liquid Chromogenic Culture Media

Name

Model

Application

Capacity

Packing

Validity Period

Liquid chromogenic culture medium

XM-30

For 1ml sample inspection

10ml/cup

128 cups/carton

1 year

Liquid chromogenic culture medium

XM-31

For 10ml sample inspection

10ml/cup

128 cups/carton

Liquid chromogenic culture medium

XM-32

For 5ml sample inspection

5ml/cup

128 cups/carton

XM powder medium

XM0001

For preparing medium

20 bags/carton

3 years

MT opener

OS-01

For MT container opening

/

1pc

/

Usage Method of Broth Media Microbiology

  1. microbiology sample testdiluent: use a pipette to inject the sample dilution into the cup

XM-30: 1ml, XM-31: 10ml, XM-32: 5ml

※XM powder medium usage: Dissolve 500ml of pure water per bag, inject 10ml into the test tube, autoclave, then inject 1ml sample, and incubate at 36±1°C for 24 hours. The identification method is the same.

Coloring Principle

Coliforms positive

There is a special β-galactosidase only exit in the coliforms. It can be used as an indicator enzyme for coliform bacteria, which catalyzes the hydrolysis of the substrate X-GAL to form 5,5-dibromo -4,4-dichloro indigo, appearing light blue ~ purple-blue.

β--glucuronidase can be used as an indicator enzyme for Escherichia coli; because β-glucuronidase can be observed in Escherichia coli, Salmonella and Shigella in intestinal bacteria, and 95% of E. coli contains β-glucuronidase. It catalyzes the hydrolysis of MUG to form 4-methylumbelliferon, which exhibits fluorescence at 366 nm ultraviolet light and is visually discernible under indoor light intensity.



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