Agar solidifies media, and will remain solid even when placed in an incubator. Few microorganisms are able to metabolize it, so it won't provide an energy source.
To make it semi-solid
By stabbing the blood agar, the hemolysis will be easier to see and identify.
Agar solidifies media, and will remain solid even when placed in an incubator. Few microorganisms are able to metabolize it, so it won't provide an energy source.
Agar itself is not poisonous. It is a plant derived substance and used in some cuisines. Agar is often used to analyse DNA. For this purpose it is commonly combined with ethidium bromide which is highly carcinogenic.
The purpose of the bile esculen azide agar is to inhibit the growth of gram-positive organisms.
Agar, or agar-agar, is not a grain, but rather an extract of seaweed. Agar translates to German as Agar-Agar Try whole- or health-food stores
Streak stab is most commonly used when inoculating blood agar with hemolytic bacteria. The stabs expose the bacteria to a greater surface area of blood cells and will enhance the hemolysis effect.
Yes! Paenibacillus spp. can degrade agar agar
Agar-agar
The purpose of both is to inhibit bacterial growth. The media is used for growing fungi.
an extract of seaweed
I teaspoon Agar Agar = 2 grams