Description
Similar to β-arbutin, α -arbutin inhibits the production and deposition of melanin, removing spots and freckles. The results showed that α -arbutin could inhibit the activity of tyrosinase at low concentrations, and its inhibitory effect on tyrosinase was better than that of β -arbutin. α arbutin does not produce toxic, irritating, sensitizing, and other side effects on melanocytes, but also has bactericidal and anti-inflammatory effects. Compared with β -arbutin, and deoxyarbutin, α-arbutin has better photostability and solubility.
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Alpha-Arbutin COA
| Items | Alpha Arbutin | Beta Arbutin |
| CAS No | 84380-01-8 | 497-76-7 |
| Whitening Function | Can effectively inhibit melanin at lower concentration, whitening effect is 10 times compare with Beta Arbutin.
Recommend add amount 0.2-2% |
<3% add amount,the whitening effect is not obvious |
| Source | Fermentation | Bearberry Extract |
| Stability | Higher stability, less prone to discoloration and degradation | Easily degradable |
| Melting Point | 203-206(±0.5)℃ | 199-202(±0.5)℃ |
| Optical rotation | + 176.0°- +184.0° | -63°~-67° |
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