Potato Starch

Grade

Index

Premium

Primes

Salable

Moisture,%     

18.00-20.00

≤ 20.00

Ash,Drybasis%                                       ≤

0.30

0.40

0.45

Protein,Drybasis%                                 ≤

0.10

0.15

0.20

Speckle,a /cm2                                     ≤

3.00

5.00

9.00

Degree of Fineness,150μm100Pass rate of  Filter,% w/w      ≥

99.90

99.50

99.00

White,457nm reflectivity of blue light,% ≥

92.0

90.0

88.0

Viscosity,4%Dry Matter700cmg,BU         ≥

1300

1100

900

Electrical Conductivity,μs                      ≤

100

150

200

PH 

 6.0--8.0

Sulfur Dioxide,mg/kg                            ≤

10

15

20

Arsenic(As), mg/kg,                               ≤

0.30

Lead(Pb),mg/kg,                                   ≤

0.50

Total Plate Count,cfu/g                         ≤

5000

     10000

Mould & Microzyme, cfu/g                    ≤

500

      1000

Coliform,   MPN/100g                           ≤

30