Potato Dextrose Agar (PDA)

Application: This medium is suitable for culturing and enumeration yeasts and molds in food materials.

Standards: APHA, BAM, EP, JP

Catalogue Number: i23146

توضیحات

Preparation

  • Shake the container well. Dissolve 39 grams of the medium in 1 liter of distilled water.
  • Boil until it is completely dissolved.
  • Autoclave at 121 degrees Celsius for 15 minutes.
  • If the desired pH is acidic (pH 3.5), after cooling the medium, add about 10-15 ml of 10% tartaric acid solution to 1 liter of the culture medium.
  • Note that after adding acid to the culture medium, do not heat it, as this can lead to the breakdown of agar and the loss of its gelatinous properties.

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

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Components
gr/Lit Components
4.0
Potato infusion (infusion from 200 g potatoes)
20.0t
Dextrose
15.0t
Agar
0.2 ± 5.6t
Final pH
Quality Control

Quality Control

  • Dehydrated Appearance: Light beige, free-flowing, homogeneous (may contain small dark particles)
  • Prepared Appearance: Light amber, slightly opalescent.
  • Cultural Response: Prepare the medium per label directions. Inoculate and incubate at 25-30°C for 18-48 hours (up to 7 days for T. mentagrophytes). For Aspergillus brasiliensis, incubate at 20-25°C for 5 days.
Reaction ATCCt Standard Strain
GrowthGoodt
10231t
Candida albicans
Growth
16404
Aspergillus brasiliensis (niger)
Goodt
9763t
Saccharomyces cerevisiae
توضیحات

Preparation

  • Shake the container well. Dissolve 39 grams of the medium in 1 liter of distilled water.
  • Boil until it is completely dissolved.
  • Autoclave at 121 degrees Celsius for 15 minutes.
  • If the desired pH is acidic (pH 3.5), after cooling the medium, add about 10-15 ml of 10% tartaric acid solution to 1 liter of the culture medium.
  • Note that after adding acid to the culture medium, do not heat it, as this can lead to the breakdown of agar and the loss of its gelatinous properties.

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!

Components
gr/Lit Components
4.0
Potato infusion (infusion from 200 g potatoes)
20.0t
Dextrose
15.0t
Agar
0.2 ± 5.6t
Final pH
Quality Control

Quality Control

  • Dehydrated Appearance: Light beige, free-flowing, homogeneous (may contain small dark particles)
  • Prepared Appearance: Light amber, slightly opalescent.
  • Cultural Response: Prepare the medium per label directions. Inoculate and incubate at 25-30°C for 18-48 hours (up to 7 days for T. mentagrophytes). For Aspergillus brasiliensis, incubate at 20-25°C for 5 days.
Reaction ATCCt Standard Strain
GrowthGoodt
10231t
Candida albicans
Growth
16404
Aspergillus brasiliensis (niger)
Goodt
9763t
Saccharomyces cerevisiae

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