Chondroitin sulfates
time:2013-06-02 05:12:27,count:0
US patent 9,149,572 (Chondroitin sulfate having decreased molecular weight and use thereof) describes a low molecular weight chondroitin sulfate.
Quality Standards & Test Methods
1. Physical and chemical indexes
Item
Physical and chemical indexes
Actives, %, ≥
85.0
Loss on drying, %, ≤
10.0
Test Methods
(1), Actives
 
(2), Loss on drying
105°C, 4h.
2. Hazardous substances indexes
Item
Hazardous substances indexes
Heavy metals (as Pb), mg/Kg, ≤
20
As, mg/Kg, ≤
3
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents - Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents - Determination of total arsenic