Chemical Name：trans-3，4‘，5-Trihydroxystilbene-3-O-β-D-glucosideresveratrol-3-O-β-D-glucoside
CASNo.：65914-17-2
Molecular formula：C20H22O8
Molecular weight：390.40
Source：Polygonum cuspidatum
Appearance：White fine powder.
ANALYSIS 分析(HPLC)
SPECIFICATION 规格
RESULTS 结果
Appearance外观
Similar White to white fine powder 白色
Complies符合
Odor气味
Characteristic特殊气味
Complies符合
Assay
≥98%%
98.09%
Sieve Analysis 粒度
100% pass 80 mesh100%过80目
Complies符合
Loss on Drying 干燥失重
≤1%
0.35%
Ash灰分
<1%
0.23%
Heavy Metal重金属
<10ppm
Complies符合
Arsenic (As)砷
<0.5ppm
Complies符合
Lead(Pb)铅
<0.5ppm
Complies符合
Cadmium (Cd)镉
<0.05ppm
Complies符合
Mercury (Hg)汞
Not Detected
Complies符合
Pesticide Residue
Acephate
<0.1 PPM
Complies符合
Methamidophos
<0.1 PPM
Complies符合
Parathion
<0.1 PPM
Complies符合
PCNB
<10PPB
Complies符合
Microbiology
Total Plate Count细菌总数
<1000cfu/g
Complies符合
Yeast & Mold霉菌
<100cfu/g
Complies符合
E.Coli大肠杆菌
Negative
Complies符合
Salmonella沙门氏菌
Negative
Complies符合
Conclusion
Conform with specification符合规格要求
Storage
Store in cool & dry place,Keep away from strong light and heat干燥阴凉处
Shelf life
2 years when properly stored两年
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