China High Performance Atracurium besylate 64228-81-5 - Beta Arbutin 497-76-7 Skin brightening – Neore manufacturers and suppliers

High Performance Atracurium besylate 64228-81-5 - Beta Arbutin 497-76-7 Skin brightening – Neore

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High Performance Atracurium besylate 64228-81-5 - Beta Arbutin 497-76-7 Skin brightening – Neore Detail:

Payment: T/T, L/C
Product Origin: China
Shipping Port: Beijing/Shanghai/Hangzhou
Order (MOQ): 1kg
Lead Time: 3 working days
Production capacity: 1000kg/month
Storage condition: Stored in cool, dry place, room temperature.
Package material: drum
Package size: 1kg/drum, 5kg/drum, 10kg/drum, 25kg/drum

beta arbutin

Introduction

β-Arbutin is used as a whitening ingredient for controlling the generation of melanin pigments, which are substances causing discoloration and freckles.

It is known as a substance contained in ericaceous herbs called bearberry leaf. Discoloration and freckles occur due to reactive oxygen produced in skin by exposure to UV in sunlight, stress, atmospheric pollution, etc., which activates tyrosinase and the activated enzyme promotes the conversion of tyrosine in melanocytes (pigment cells) to melanin pigments. β-Arbutin is said to demonstrate whitening effects by reducing the production of melanin pigments by working directly on tyrosinase in melanocytes.

Specification (assay 99.5% by HPLC)

Test Items	Standard
Appearance	White crystalline powder
Assay	99.5% min
Melting point	198.5-201.5℃
Clarity of water solution	Transparency, colorless, none suspended matters
PH value of 1% aqueous solution	5-7
Specific optical rotation	[α]D²⁰=-66±2°
Arsenic	≤2ppm
Hydroquinone	≤10ppm
Heavy metal	≤10ppm
Loss on drying	≤0.5%
Ignition residue	≤0.5%
Pathogen	Bacteria ≤300cfu/g
Pathogen	Fungus ≤100cfu/g

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