
Folic Acid Assay Medium – Culture Medium for Folate Determination, 250g
Folic Acid Assay Medium is a specialized culture medium formulated for the quantitative determination of Folic Acid (Vitamin B9). With carefully controlled nutrient composition, it ensures high sensitivity and reproducibility in vitamin assay applications, making it ideal for microbiology and biochemical laboratories.
Complete Formula (per liter):
Casein Hydrolysate: 10.0 g
Glucose: 40.0 g
Sodium Acetate: 40.0 g
K2HPO4: 1.0 g
KH2PO4: 1.0 g
DL-Tryptophan: 0.2 g
L-Aspartic Acid: 0.6 g
Adenine Sulfate: 10 mg
L-Cysteine Hydrochloride: 0.5 g
Guanine Hydrochloride: 10 mg
Uracil: 10 mg
Xanthine: 20 mg
Polysorbate 80 (Tween 80): 0.1 g
Glutathione: 5 mg
MgSO4: 0.4 g
NaCl: 20 mg
FeSO4: 20 mg
MnSO4: 15 mg
Riboflavin: 1 mg
p-Aminobenzoic Acid: 2 mg
Vitamin B6 (Pyridoxine): 4 mg
Thiamine Hydrochloride: 400 µg
Calcium Pantothenate: 800 µg
Niacin: 800 µg
Biotin: 20 µg
Final pH: 6.7 ± 0.1 at 25°C
Instructions for Use:
Dissolve 9.39 g of medium in 100 ml of distilled or deionized water.
Heat until completely dissolved, then allow to cool.
Dispense into tubes or flasks as required.
Use according to standard folic acid assay procedures.
Packaging & Storage:
250 g per bottle
Shelf life: 3 years
Store at room temperature in a cool, dry place