Group items tagged

Refrigeration is better. Because when the liquid medium is frozen and then melted, the PH value of the solution will change, often becoming alkaline, and the dissolution of certain components will also be affected and harmful to cell growth. Therefore, the liquid culture medium must be stored in a refrigerator. Usually, the liquid culture medium can be stored for 6 months to a year under refrigerated conditions.

Preparation, Usage and Precautions of Agar Medium Agar is a polysaccharide that is derived from plants, mostly marine algae. Agar is mostly employed as a coagulant in microbiological medium. Agar is added to fluid media at 0.5-2g/L, semi-solid media at 3.5-4g/L, plant tissue media at 5-10g/L, and solid media at 12-15g/L.

Methods and Common Knowledge of Ordinary Culture Medium Ordinary medium in microbiology: a kind of artificial preparation, suitable for the growth and reproduction of microorganisms or the production of metabolites, or for other mixed nutrients.