CULTURE MEDIA - MALT EXTRACT
Malt extract powder is prepared from aqueous extract of sporulated malt grains and dried at low temperature to preserve nutrients present in the form of carbohydrates and nitrogenous substances. It contains break down product of starch, mainly maltose, some amount of glucose, dextrin, sucrose and some proteins. It is generally used in the media for the growth of yeasts & moulds.
Malt extract powder is prepared from aqueous extract of sporulated malt grains and dried at low temperature to preserve nutrients present in the form of carbohydrates and nitrogenous substances. It contains break down product of starch, mainly maltose, some amount of glucose, dextrin, sucrose and some proteins. It is generally used in the media for the growth of yeasts & moulds.
Quality Control | |
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PHYSICAL DATA | |
Appearance | Light brown amorphous powder |
Odour | A sweet agreeable and characteristic. |
pH (2% solution) | 6.0 to 7.0 |
Solubility | Freely soluble in warm water forming sparklingly clear soln |
Loss on Drying | Not more than 4.0% |
CHEMICAL DATA | |
Maltose content | Not less than 60% |
Protein content | Not less than 4% |
Proteose Test (As per USP) | Passes |
Coagulable protein (As per USP) |
Passes |
BACTERIOLOGICAL DATA | |
Total Plate Count | Not more than 5000CFU/gm |
E.coli/10 gm | Absent |
Salmonella/10gm | Absent |