Grade designation | Foreign matter (% by wt.) (Maximum limit of tolerance) | Other Food Grains (% by wt.) (Maximum limit of tolerance) | Admi xture of diff event varieties (% by wt.) (Maximum limit of tolerance) | Damaged GRAINS (% by wt.) (Maximum limit of tolerance)
| SLIGHTLY Damaged GRAINS (% by wt.) (Maximum limit of tolerance) | Immature VELLED Grains (% by wt.) (Maximum limit of tolerance) | Weevilled & SHRI GRAINS(% by wt.) (Maximum limit of tolerance) |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
I. | 1.5 | 1.0 | 10.0 | 1.0 | 2.0 | 2.0 | 1.0 |
II. | 2.5 | 2.0 | 15.0 | 2.0 | 4.0 | 4.0 | 3.0 |
III. | 4.0 | 4.0 | 20.0 | 3.0 | 6.0 | 6.0 | 5.0 |
IV. | 4.0 | 5.0 | 20.0 | 5.0 | 8.0 | 6.0 | 10.0 |
General characteristics
- Maize Shall :-
- be the dried mature grain of Zea mays L.:
- have uniform size, shape and colour;
- be sweet, hard, clean, wholesome and free from moulds weevil, obnoxious smell, discolouration, admixture of deleterious substances, all other impurities except to the extent indicated in the Schedule;
- be in sound merchantable condition; and
- not have moisture exceeding 12 percent.
DEFINITIONS :
- Foreign Matter :- It includes dust, stone, lumps of earth, chaff, stem or straw and any other impurity including nonedible seeds.
- Other Food Grains :- Edible Food grains other than Maize.
- Damaged Grains- Grains that are internally damaged or discoloured, damaged and discolouration materially affecting the quality.
- Slightly Damaged Grains – Grains that are superficially damaged or discoloured, damage and discolouration not materially affecting the quality.
- Immature and Shrivelled Grains – Grains that are not properly developed.
- Weevilled Grains – Grains that are partially or wholly bored or eaten by weevils or other grain insects.