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Product Name:  arbutin

arbutin source: arbutin is the active substance originated from natural plant which can whiten and lighten skin.

arbutin introduction:Alpha arbutin (4-hydroxyphenyl-D-lucopyranoside) is a synthetic and functional active ingredient for skin lightening.Alpha Arbutin blocks epidermal melanin biosynthesis by inhibiting enzymatic oxidation of Tyrosine and Dopa. Promotes skin lightening and an even skin tone on all skin types. Minimizes liver spots.

Appearance: White crystalline powder

Active ingredient:    arbutin

arbutin specifications: 100% natural  99.5%Alpha arbutin /beta arbutin

Test by:             HPLC

Molecular formula:   C12H16O7

Molecular weight:   272.25

Structural formula:

Processing technology:

arbutin Main benefits:

1.arbutin used in cosmetic industry whitening ingredients :arbutin protect the skin against damage caused by free radicals, Arbutin is a skin whitening agent which is very popular in Japan and Asian countries for skin de-pigmentation, Arbutin inhibits the formation of melanin pigment by inhibiting .

2.Tyrosinase activity:Arbutin is very safe skin agent for external use which does not have toxicity, stimulation, unpleasant odor or side effect such as Hydroqinone.The encapsulation of Arbutin constitute a delivery system to potentialize the effect in time. It is a way to incorporate the hydrophilic Arbutin in lipophilic media.

arbutin specification



ANALYSIS

SPECIFICATION

RESULTS

Assay

99%

99.78%   HPLC

Appearance

White fine powder or crystals

Complies

Transparency in water

Transparent colorless no suspended

Conforms

Loss on drying

5.0

0.36

Solubility

Soluble in water , alcohol

Conforms

Specific Optical Rotation

[a]D20= + 174.0°- +186.0°

+179.89°

Infrared characteristic peak


1514;1229;1215;1059;1034

Melting Point

199-204(±0.5)℃

202.5-203.2

PH1% water solution

5.0-7.0

6.42

Sulphated ash

5.0

0.18

arbutinHeavy metals

10ppm

Conforms

Arsenic

<1ppm

Conforms

Plumbum

<2ppm

Conforms

arbutin Microbiological Tests

Total Plate Count

≤1000cfu/g

98cfu/g

E.Coli

Negative

Negative

Staphylococcus

Negative

Negative

Salmonella

Negative

Negative

Total Yeast & Mold

≤100cfu/g

16cfu/g


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