Lactose Sulfite Broth, LS

Application: for the determination of H2S production by Clostridium perfringens according to ISO 7937 standard.

Industry: Food

Catalogue Number: i23651

توضیحات

Preparation

  • Shake the container of Lactose Sulfite Broth well.
  • Suspend 20.3 g of the powder in 1 L of distilled water. .
  • Mix Thoroughly and Adjust pH to 7.1.
  • Dispense in test tubes containing inverted Durham’s tubes.
  • Autoclave at 121°C for 15 minutes.
  • Cool to 45 – 50 °C,
  • Add filter sterilized solution of 1.2% Sodium metabisulfite, 0.5 ml, and 1.0% Ferric Ammonium Citrate, 0.5 ml, to each tube.

STORAGE

The medium powder should be kept tightly closed and stored at temperatures below 30 degrees Celsius, and the medium should be stored at a temperature of 2-8 degrees Celsius. The best time to use is before the expiration date printed on the product label.

پرسش و پاسخ

شما نیز میتوانید سوالات خود را ثبت کنید!

اگر سوالی در مورد محصول دارید از این قسمت بپرسید!

Quality Control

Quality Control

  • Dehydrated Appearance: Homogeneous, free flowing, and beige.
  • Prepared Appearance: Amber solution, limpid.
  • Typical culture response after 24 hours of incubation at 46°C (qualitative method).
H2S Gas Growth Organism (ATCC)
+
+
Good
Clostridium perfringens (13124)
+
+
Good
Clostridium perfringens (13124)
-
+
Good
Clostridium sporogenes (19404)
Lactose Sulfite Broth | Components

Sodium metabisulfite and Ferric Ammonium Citrate must be added after autoclave.

gr / L Components
5
Tryptone
2.5
Yeast Extract
10
Lactose
2.5
Sodium Chloride
0.3
L-Cysteine
0.7
Sodium metabisulfite
0.62
Ferric Ammonium Citrate
0.2 ± 7.1
Final pH at 25°C
توضیحات

Preparation

  • Shake the container of Lactose Sulfite Broth well.
  • Suspend 20.3 g of the powder in 1 L of distilled water. .
  • Mix Thoroughly and Adjust pH to 7.1.
  • Dispense in test tubes containing inverted Durham’s tubes.
  • Autoclave at 121°C for 15 minutes.
  • Cool to 45 – 50 °C,
  • Add filter sterilized solution of 1.2% Sodium metabisulfite, 0.5 ml, and 1.0% Ferric Ammonium Citrate, 0.5 ml, to each tube.

STORAGE

The medium powder should be kept tightly closed and stored at temperatures below 30 degrees Celsius, and the medium should be stored at a temperature of 2-8 degrees Celsius. The best time to use is before the expiration date printed on the product label.

پرسش و پاسخ

شما نیز میتوانید سوالات خود را ثبت کنید!

اگر سوالی در مورد محصول دارید از این قسمت بپرسید!

Quality Control

Quality Control

  • Dehydrated Appearance: Homogeneous, free flowing, and beige.
  • Prepared Appearance: Amber solution, limpid.
  • Typical culture response after 24 hours of incubation at 46°C (qualitative method).
H2S Gas Growth Organism (ATCC)
+
+
Good
Clostridium perfringens (13124)
+
+
Good
Clostridium perfringens (13124)
-
+
Good
Clostridium sporogenes (19404)
Lactose Sulfite Broth | Components

Sodium metabisulfite and Ferric Ammonium Citrate must be added after autoclave.

gr / L Components
5
Tryptone
2.5
Yeast Extract
10
Lactose
2.5
Sodium Chloride
0.3
L-Cysteine
0.7
Sodium metabisulfite
0.62
Ferric Ammonium Citrate
0.2 ± 7.1
Final pH at 25°C

CoA & MSDS files

Downloading CoA & MSDS files

 
 

:To download the CoA file

Enter the LOT number printed on the container

:To download the MSDS file

Enter the catalog number (REF) printed on the container without the hyphen

CoA & MSDS files

Downloading CoA & MSDS files

:To download the CoA file

Enter the LOT number printed on the container

:To download the MSDS file

Enter the catalog number (REF) printed on the container without the hyphen