Monosodium glutamate specification
ITEM: |
Monosodium glutamate |
CAS NO: |
142-47-2 |
E NUMBER: |
E621 |
MOLECULAR FORMULA: |
?C5H8NO4Na |
DESCRIPTION:
MSG is used in the food industry as a flavor enhancer with an umami taste that intensifies the meaty, savory flavor of food, as naturally occurring glutamate does in foods such as stews and meat soups.
SPECIFCATION:
ITEM |
UNIT |
STANDARD |
Appearance |
– |
Whitish, small crystals |
Aroma |
– |
None |
Flavor |
– |
Slightly Salty |
Mesh size |
mesh |
60-80 Mesh |
Content |
% |
Min. 98.0 |
Chloride |
% |
Max. 0.1 |
Loss on drying |
% |
Max. 0.5 |
Sulphate |
% |
Max. 0.05 |
Transmittance |
% |
Min. 98.0 |
Specific rotation [?]d 20? (10% solution) |
– |
+24.90 – +25.30 |
Iron |
ppm |
Max. 5 |
Heavy Metals (As Pb) |
ppm |
Max. 10 |
Arsenic (As) |
ppm |
Max. 1.5 |
Ph |
– |
6.7-7.2 |
Pyrrolidoncarboxyl acid |
% |
Max. 0.2 |
Lead (Pb) |
ppm |
Max. 1.0 |
Total Plate Count |
MPN/g |
Max. 1000 |
Mold Count |
MPN/g |
Max. 100 |
Yeast Count |
MPN/g |
Max. 100 |
Coliforms |
MPN/g |
Max. 3 |
Salmonella |
MPN/g |
Negative in 25 |
Pathogenic Bacteria |
MPN/g |
Absent |
E. Coli |
MPN/g |
NEGATIVE IN 25 |
PACKING: 25KG/bags., 500g, 454g/Retail bags.
STORAGE: Store unopened under 20? In dry conditions, away from direct sunlight.
SHELF LIFE: 24 months when stored according to recommendations.