| ≥1 piece |
|
Test items |
Specifications |
|
Appearance |
White crystal power |
|
Transmittance |
≥ 96 % |
|
Total sugar Content |
98.5-102.0 % |
|
Assay(Gingerol ) |
≥ 98.5 % |
|
Specific rotation |
+18.2-19.4 º |
|
Heavy Metals |
≤ 10 ppm |
|
Moisture |
≤ 0.5 % |
|
Ash |
≤ 0.05 % |
|
Arsenic |
≤ 1 ppm |
|
Sulfate |
≤ 50 ppm |
|
Chloride |
≤ 50 ppm |
|
Ph |
5.0-7.0 |
|
Pb |
≤ 0.5ppm |
|
Melting point |
|
|
Total number of bacteria |
≤ 50cfu/ g |