

Order(MOQ) :
500kgProduct Origin :
ChinaColor :
White or semi-whiteShipping Port :
Shanghai, ChinaLead Time :
2-3 weeksWeight :
25kgCas No. :
50-81-7Molecular Formula :
C6H8O6Appearance :
White or semi-white granulesAssay :
97.6%Application :
Food Additives & Nutritional Supplements
Coated ascorbic acid is a specially processed form of vitamin C designed to overcome the inherent instability of regular ascorbic acid. High-purity L-ascorbic acid is coated with a food-grade protective layer through a precision coating process, forming uniform, free-flowing granules.
The protective coating isolates the active vitamin from environmental factors such as oxygen, moisture, heat and light, which would otherwise accelerate oxidative degradation. As a result, coated ascorbic acid retains higher potency during granulation, tableting, premixing and long-term storage, and enables a more controlled release of vitamin C in finished products. The product complies with the food-grade enterprise standard Q/320282NJH005-2019.
Application Fields
Technical Specifications
|
Item |
Specification |
Test Result |
|
Characteristics |
White or semi-white granules |
Pass |
|
Assay |
≥ 97.0% |
97.6% |
|
Heavy metals (as Pb) |
≤ 0.001% |
< 0.001% |
|
Arsenic (As) |
≤ 0.0002% |
< 0.0002% |
|
Lead (Pb) |
≤ 0.0002% |
< 0.0002% |
|
Loss on drying |
≤ 0.4% |
0.1% |
|
Residue on ignition |
≤ 0.1% |
0.03% |
|
Standard |
Q/320282NJH005-2019 |
Conforms |
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