Starch Ammonium Salt Medium 250g for Actinobacteria Selection and Enumeration

Starch Ammonium Salt Medium is a high-quality dehydrated culture medium designed for the selective isolation and enumeration of actinobacteria. It is extensively used in microbiology laboratories for research purposes and microbial studies.

Composition per liter:

• Soluble Starch: 10.0 g

• Ammonium Sulfate: 2.0 g

• Dipotassium Hydrogen Phosphate: 1.0 g

• Magnesium Sulfate: 0.5 g

• Potassium Chloride: 0.5 g

• Ferrous Sulfate: 0.01 g

• Agar: 18.0 g

• Final pH: 7.7 ± 0.1 (25℃)

Preparation:
Weigh 32.0 g of the medium and suspend in 1 L of distilled or deionized water. Heat and boil until fully dissolved. Dispense into containers and sterilize at 121℃ for 15 minutes. After sterilization, mix well and store for future use.

Packaging: 250 g per bottle
Storage: Ambient temperature
Shelf life: 3 years