Kojic Acid Dipalmitate is liposoluble derivative of kojic acid. It is an active ingredient to prevent melanin formation. Kojic acid dipalmitate can compound with other active components very well. Also, it has better stability to light and heat than kojic acid. Kojic Acid Dipalmitate is widely used as a whitening agent in cosmetic industry.
| CAS no.: 79725-98-7 | Molecular formula: C38H66O6 |
| Molecular structure |  |
Kojic acid is a kind of tyrosinase inhibitor by fermentation. It is odorless, colorless and safe. Many fermentative foods, such as soybean, soy sauce and wine, contain kojic acid. KA also can be found in some microorganisms, including aspergillus oryzae, aspergillus parasiticus, aspergillus flavus, etc. Japan started to produce kojic acid in the 1970s. Kojic acid is traditionally used in the food industry as a natural preservative. Now it's also widely applied in cosmetic filed.
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ANALYSIS |
SPECIFICATION |
RESULTS |
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Assay |
≥98％ |
98.05% |
|
Appearance |
White sheet crystal powder |
Conforms |
|
Melting point |
92-96℃ |
Conforms |
|
Loss on drying |
≤0.5% |
0.02% |
|
Residue on ignition |
≤0.5% |
0.02% |
|
Chloride |
Negative |
Negative |
|
Heavy Metal |
||
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Heavy Metal |
≤10ppm |
Conforms |
|
Arsenic |
≤2ppm |
Conforms |
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Microbiological Tests |
||
|
Total plate count |
≤300cfu/g |
Conforms |
|
Molds and yeast |
≤100cfu/g |
Conforms |
1. Stable to light and heat
As liposoluble derivative of kojic acid, Kojic Acid Dipalmitate has better stability to light and heat than kojic acid.
2. Stable to metal ion
Kojic acid changes color when meeting metal ion, and Kojic Acid Dipalmitate overcomes that.
3. Stable in compound product
There is no hydroxyl groups in the molecular structure of Kojic Acid Dipalmitate, so it can NOT react with active ingredients in preservatives or sun-screening agents.
4. Easy to be absorbed
Kojic Acid Dipalmitate is liposoluble, so it's easy to be absorbed by the skin, while it has a good function of moisturizing the skin.
Skin whitening agent
Kojic Acid Dipalmitate has a great effect to inhibit tyrosinase. It can restrain the formation of melanin. So KAD is a good skin-whitening agent to remove age spots, chloasma pigmentation and so on. Also, it benefits for blocking sun and brightening skin.
Recommended dosage——0.5~3%
Kojic Acid Powder is inedible. KAD will not cause skin allergic when it's added into cosmetics products. Instead, it can be effectively absorbed by skin and moisturize skin greatly.
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