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پوتیتو دکستروز آگارPDA ساخت شرکت میکرومدیا مجارستان 500 گرمی
Description of MM0117
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Potato Dextrose Agar
Use and description: For the cultivation and enumeration of yeasts and molds from dairy and food products. In order to suppress bacterial growth acidify the medium to pH 3.5.
Composition per liter: Potato extract……………………………….4.0 g Dextrose…………………………………..20.0 g Agar………………………………………15.0 g
Final pH of the ready to use medium: 5.6 ± 0.2
Medium preparation: Add 39.0 grams of dehydrated culture medium to 1 liter of distilled water. Heat with repeated stirring and boil for one minute to dissolve completely. Distribute and autoclave at 121oC for 15 minutes. If desired, the pH of the medium can be adjusted to 3.5 ± 0.1 prior to pouring plates by the addition of 14 ml of sterile 10% lactic acid to melted sterile medium cooled to 45-50oC. Avoid reheating the medium after the addition of the acid.
Quality specifications: Dehydrated medium: homogeneous, light beige fine powder. Ready to use medium: clear to slightly hazy and pale to light yellow.
Microbiological response:
Storage: Dehydrated medium should be stored between 10 to 25oC. Once opened, place the container in a dark, dry place. The dehydrated medium should not be used if there is any lump or the color has changed from the original. |
فروشنده: واردکننده
گارانتی اصالت و سلامت کالا
پشتیبانی ۷ روز هفته ۲۴ ساعته
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