Testing Items
|
|
Test Standard
|
Test Method
|
Appearance
|
Color
|
Present white or light yellow uniformly
|
GB 31645
|
|
Odor
|
With product special smell
|
GB 31645
|
|
Taste
|
With product special smell
|
GB 31645
|
|
Impurity
|
Present dry powder uniform, no lumping, no impurity and mildew spot which can be seen by naked eyes directly
|
GB 31645
|
Stacking density
|
g/ml
|
--
|
--
|
Protein cotent
|
%
|
≥90
|
GB 5009.5
|
Moisture content
|
g/100g
|
≤7.00
|
GB 5009.3
|
Ash content
|
g/100g
|
≤7.00
|
GB 5009.4
|
PH Value (1% solution)
|
|
--
|
Chinese Pharmacopoeia
|
g/100g
|
|
≥3.0
|
GB/T9695.23
|
Average molecular weight content Dal
|
|
<3000
|
QB/T 2653-2004
|
SO2
|
mg/kg
|
--
|
GB 6783
|
Residual hydrongen perxide
|
mg/kg
|
--
|
GB 6783
|
Heavy metal
|
Plumbum (Pb)
|
≤1.0
|
GB 5009.12
|
|
mg/kg
|
|
|
|
Chromium (Cr)
|
≤2.0
|
GB 5009.123
|
|
mg/kg
|
|
|
|
Arsenic (As)
|
≤1.0
|
GB 5009.15
|
|
mg/kg
|
|
|
|
Mercury (Hg)
|
≤0.1
|
GB 5009.17
|
|
mg/kg
|
|
|
|
Cadmium (Cd)
|
≤0.1
|
GB 5009.11
|
|
mg/kg
|
|
|
Total Bacteria
|
1#
|
m=100, M=10000
|
GB 4789.2
|
|
2#
|
m=100, M=10000
|
|
|
3#
|
m=100, M=10000
|
|
|
4#
|
m=100, M=10000
|
|
|
5#
|
m=100, M=10000
|
|
Coliforms
|
1#
|
m=1, M=10
|
GB 4789.3
|
|
2#
|
m=1, M=10
|
|
|
3#
|
m=1, M=10
|
|
|
4#
|
m=1, M=10
|
|
|
5#
|
m=1, M=10
|
|
Mould & Yeast
|
CFU/g
|
≤10
|
GB 4789.15
|
Salmonella
|
/25g
|
--
|
GB 4789.4
|