Name: Arbutin

Synonym:  Arbutine, p-arbutin, beta-arbutin, ursin
Chemical name: 4-Hydroxyphenyl-beta-D-glucopyranoside

Specification:  

Arbutin more than 99.5%.

Arbutin effectively inhibits formation of melanin, splash and fleck can be got ride of and no side effects are caused. Arbutin can also moisten the skin which looks very lightening, so arbutin is used skin lightening and whitening agents in the cosmetics. Arbutin was also used as a drug.

Name: Alpha-arbutin

Chemical name: 4-Hydroxyphenyl-alpha-D-glucopyranoside

Molecular weight: 272.26g/mole

Melting point: 203~207±1ºC

Assay: ≥99%（HPLC

Same as arbutin, alpha-arbutin can effectively inhibits formation of melanin, splash and fleck can be got ride of. Inhibitory effect on tyrosinase of alpha-arbutin is better than arbutin, and dosage of alpha-arbutin is less.