Description

Product:

White needle crystal, soluble in organic solvents such as methanol, ethanol, DMSO, etc., derived from bearberry leaves, rock cabbage.

 

Specification：

Test  itemsStandard  regulationTest  result
ApplicationWhite powderConform
IdentificationComplies with the referenceConform
-Infrared absoption spectrum of alpha-ArbutinConform
Assay≥99.5%99.96%
Melting point203℃～206±1℃204.3℃～204.9℃
Clarity of water solutionTransparency, colorless, non suspended mattersConform
pH5.0～7.06.15
Specific rotation+174°～ +186°+182.15°
Loss on drying≤1.0%0.03%
Residue on ignition≤0.5%Conform
Hydroquinone≤10ppmConform
Heavy metals≤10ppm<10ppm
Total bacterial count≤1000cfu/gConform
Yeast & Mold≤100cfu/gConform
ConclusionAccording to the enterprise standard test, the results meet the requirements

 

Application：

Used as a whitening agent in cosmetics, it has been produced and deposited by melanin to remove freckles.

Α-arbutin inhibits tyrosinase activity at a lower concentration, and its inhibitory effect on tyrosinase is superior to arbutin

 

Package：

25kg/bag