Sorghum Specification

S/N Characteristic Grade Method of test
1 2 3
i) Moisture, % m/m max. 13.5 ISO 711/712
ii) Test weight, kg/hl min. 71 62 62 ISO 7971-

1/ISO 7971-

3

iii) Total admixture, % m/m, max. (total of foreign material, screenings and trash) 11.0 30.0 50.0  

 

ISO 605

iv) Foreign material, % m/m, max. 2.0 3.0 4.0
v) Foreign matter, % m/m, max.(decorticated seed) 0.5
vi) Screenings, % m/m, max. (all matter passing through a 2.0  mm slotted screen, 40 shakes in the direction of the slots using an agitator) 11.0 25.0 50.0  

 

 

ISO 5223

vii) Trash, % m/m, max. (chaff and other sorghum trash retained above a 2.0 mm slotted screen following the screenings process) 5.0 15.0 15.0
viii) Crude protein (on dry matter basis), % m/m, min. 7.0 ISO 20483
ix) Ergot affected grains, % m/m, max. 0.05 ISO 605
x) Tannin content (on dry matter basis), % m/m, max. Whole grains 0.5 ISO 9648
Decorticated grains 0.3
xi) Defective grains, % by count,     300 grain sample max. Weather stained 5.0 20.0 20.0 ISO 605
Field fungi 5.0 10.0 10.0
Dry green 5.0 10.0 10.0
Immature grain(fully green in colour) 5.0 10.0 10.0
Split/broken 7.0 10.0 10.0
Total defective 5.0 8.0 10.0
xii) Small foreign seeds, % m/m, max. 1.6
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