What is Ascorbic acid?
Ascorbic acid the biological activity of ascorbic acid compounds known, is a water-soluble vitamins, fruits and vegetables are abundant. In redox reactions regulate the metabolism of the lack of it can cause scurv. Ascorbic acid is widely used in different fields, is a bulk ingredients,naturally present in some foods, added to others, and available as a dietary supplement.
The Top 9 Foods Highest in Vitamin C
90mg of Vitamin C =100% of the Daily Value(%DV)
We specialized in supplying stable series product of Ascorbic Acid
| Item |
Type |
| Ascorbic acid |
80/100/200/325 mesh |
| Coated ascorbic acid |
90%/93%/95%/97%/99% |
| Ascorbic acid granule |
Ascorbic acid DC |
| Sodium ascorbate |
|
| Sodium ascorbate granule |
Sodium ascorbate DC granule 99% |
| Calcium ascorbate |
|
| Calcium ascorbate granule |
Calcium ascorbate DC granule 97% |
Specification of Ascorbic acid
| ITEM |
STANDARD |
| Appearance |
White or almost white crystal or crystalline powder |
| Identification |
Positive |
| Melting point |
191 ℃ ~ 192℃ |
| pH (5%, w/v) |
2.2 ~ 2.5 |
| pH (2%,w/v) |
2.4 ~ 2.8 |
| Specific optical rotation |
+20.5° ~ +21.5° |
| Clarity of solution |
Clear |
| Heavy metals |
=<0.0003% |
| Assay (as C 6H 8O6, %) |
99.0 ~ 100.5 |
| Copper |
=<3 mg/kg |
| Iron |
=<2 mg/kg |
| Mercury |
=<1 mg/kg |
| Arsenic |
=<2 mg/kg |
| Lead |
=<2 mg/kg |
| Oxalic acid |
=<0.2% |
| Loss on drying |
=<0.1% |
| Sulphated ash |
=< 0.1% |
| Residual solvents (as methanol) |
=< 500 mg/kg |
| Total plate count (cfu/g) |
=< 1000 |
| Yeasts & molds (cfu/g) |
=< 100 |
| Escherichia. Coli/g |
Absence |
| Salmonella/ 25g |
Absence |
| Staphylococcus aureus/ 25g |
Absence |
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