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Other  
 
Sericin
 
Items

Standard

Result
Appearance White or light yellow powder White or light yellow powder
Nitrogen(%) 14% min 15.0%
Polarity Collateral Amino Acid Proportion 70% min 72.1%
Loss on drying 6.0% max 5.4%
Residue on ignition(%) 4.0% max 2.9%
Heavy Mental  (pb,mg/kg) 10 max 5.9
As  (mg/kg) 1 max 0.4
pH 5.0~7.0 5.5
Coli group(MPN),per 100g ¡Ü30 ¡Ü30
Pathogenic Bacteria Not detected Not detected
 
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No.158 Yuhua West Road,Qiaoxi District,Shijiazhuang City
Tel:+86 17736001785
Web:www.hbtatech.cn
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