1. Product indicators

α- Arbutin β- Arbutin HPLC ≥99%

Extraction site

Character inspection

appearance White powder

smell special

taste special

Physical properties

Moisture (%) ≤2.0

Ash content (%) ≤2.0

heavy metal

Total heavy metals

(calculated by lead) ≤10ppm

Lead (PB) ≤2ppm Arsenic

(as) ≤2ppm Mercury

(Hg) ≤1ppm

Cadmium (CD) ≤5ppm

Microbiological detection

Total bacteria / (CFU / g) ≤1000

Yeast and mold (CFU / g) ≤100

Pseudomonas aeruginosa / (CFU / g) Do not detect

Staphylococcus aureus / (CFU / g) Do not detect

Heat resistant coliform / (CFU / g) Do not detect

2. Package specification 1.0kg /Aluminum foil bag ; 15kg / cardboard barrel; 25kg / cardboard barrel

3. Storage method Avoid freezing environment, store in a dark, cool and dry place, room temperature and sealed.