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.