Kojic acid is well-known for its excellent tyrosinase inhibitory ability. It can effectively block the formation of melanin and achieve skin whitening. It is suitable for treating pigmentation problems such as freckles and chloasma.
Kojic acid is a natural fungal metabolite with the chemical formula C6H6O4, which has multiple functions and uses. It is mainly used as a whitening agent, food additive, and can be used as a preservative, freshness-preserving agent, and color-protecting agent. Kojic acid can reduce the formation of skin melanin by inhibiting the activity of tyrosinase, so it is widely used in cosmetics, especially in whitening products. In addition, kojic acid can be used as an antioxidant in food processing, which helps to maintain the freshness and color of food, and can prevent sodium nitrite from being converted into carcinogenic nitrosamines.
The main mechanism of action of kojic acid in cosmetics is to inhibit the activity of tyrosinase. Tyrosinase is a key enzyme that plays a vital role in the synthesis of melanin. Kojic acid can form a complex with copper ions in tyrosinase, thereby reducing the activity of tyrosinase, blocking the production of melanin, and achieving a whitening effect. In addition, kojic acid can also reduce dopaquinone, an intermediate in the synthesis of melanin, further inhibiting the production of melanin.
After entering the skin cells, kojic acid can complex with the copper ions in the cells, change the three-dimensional structure of tyrosinase, prevent the activation of tyrosinase, and thus inhibit the formation of melanin.
Kojic acid can act as an antioxidant in food processing, helping to maintain the freshness and color of food.
Kojic acid is a natural fermentation product and a metabolite of various Aspergillus fungi such as Aspergillus oryzae.
Product Name |
Kojic Acid (CAS 501-30-4) |
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Batch No. |
GW230801 |
Batch Quantity |
2000kg |
ITEMS |
STANDARDS |
RESULTS |
|
Appearance |
White or off white crystal |
Whit or off white crystal |
|
Assay |
≥99.0% |
99.60% |
|
Melting point(℃) |
152~ 156℃ |
154.60~ 155. 2℃ |
|
Loss on drying(%) |
≤0.5% |
0. 14% |
|
Ignition residue(%) |
≤0. 1% |
0.07% |
|
Chloride (ppm) |
≤50ppm |
20ppm |
|
Alfatoxin |
Not detectable |
Not detectable |
|
Heavy metal (ppm) |
≤3ppm |
Not detectable |
|
Arsenic (ppm) |
≤1ppm |
Not detectable |
|
Ferrum (ppm) |
≤10ppm |
Not detectable |
|
Conclusion: Conformance |
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Storage out of sunlight , sealed for two years. |
Humectant
skin whitening
skin whitening
skin whitening
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