Agar is a gelatinous substance derived from red algae or seaweed, used as a culture medium in petri dishes and as a thickener in candies and other foods. It consists of two substances, agarose and agaropectin, and is solid at room temperature but easily melted. Agar is extracted from seaweed by washing and heating it […]
Mannitol salt agar (MSA) is a growth medium used to culture Staphylococcus bacteria. It contains mannitol, salt, agar, and other ingredients that promote growth and change color when pathogenic strains are present. MSA is used by doctors and researchers to identify and study bacteria. Mannitol salt agar (MSA) is a common growth medium used in […]