Dry Soybeans Specification

S/N Characteristics Maximum limits Method of test
Grade 1 Grade 2 Grade 3
i)  

Moisture, % m/m

 

14

ISO 711/ ISO 712
ii) Test weight, kg/h (g/0.5L) min. 70(357) 68(347) 66(337)  

 

 

 

 

 

 

 

ISO 605

iii) Foreign matter, % m/m 1 2 3
iv) Inorganic matter, % m/m 0.1 0.3 0.5
v) Broken/split grains, % m/m 1 2.5 5
vi) Pest damaged grains, % m/m 0.3 0.8 1.5
vii) Rotten and diseased grains, % m/m 0.2 0.5 1.0
viii) Heat damaged grains %m/m 0.1 0.2 0.5
ix) Contrasting colours, % m/m 2 3 5
x) Immature/shrivelled grains, % m/m 0.1 0.2 0.5
xi) Filth, % m/m 0.1
xii) Total defective grains, % m/m 2 3 5
xiii) Total        aflatoxin       (AFB1+AFB2+AFG1

+AFG2), ppb max

10  

ISO 16050

xiv) Aflatoxin B1, ppb max 5
xv) Fumonisin, ppm max 2 AOAC 2001.04
NOTE          The parameter, Total defective grains is not the sum total of the individual defects. It is limited to 70 % of the sum total of individual defects

Source EAC Standards subject for review