Grades of Frozen Whole Kernel (Whole Grain) Corn
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U.S. Grade A or U.S. Fancy is the quality of frozen whole kernel (or whole grain) corn that possesses similar varietal characteristics; that possesses a good flavor and odor; that is tender; that possesses a good color; that is practically free from defects; and that for those factors which are scored in accordance with the scoring system outlined in this subpart, the total score is not less than 90 points: Provided that the frozen whole kernel (or whole grain) corn may possess a reasonably good color if the total score is not less than 90 points.
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U.S. Grade B or U.S. Extra Standard is the quality of frozen whole kernel (or whole grain) corn that possesses similar varietal characteristics; that possesses a good flavor and odor; that is reasonably tender; that possesses a reasonably good color; that is reasonably free from defects; and that for those factors which are scored in accordance with the scoring system outlined in this subpart, the total score is not less than 80 points: Provided, that frozen whole kernel (or whole grain) corn may possess a fairly good color, scoring not less than 7 points if the total score is not less than 80 points.
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U.S. Grade C or U.S. Standard is the quality of frozen whole kernel (or whole grain) corn that possesses similar varietal characteristics; that possesses a fairly good flavor and odor; that is fairly tender; that possesses a fairly good color; that is fairly free from defects; and that scores not less than 70 points when scored in accordance with the scoring system outlined in this subpart.
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Substandard is the quality of frozen whole kernel (or whole grain) corn that fails to meet the requirements of U.S. Grade C or U.S. Standard.
Photo Guide
Photo-Guide PG-12 for Classifying “Cut” and “Pulled” Kernels in Canned and Frozen Whole Kernel Corn and the Photo-Guide PG-13 Interpretive Guide Illustrating Discolored Kernels or Pieces of Kernels in Canned and Frozen Corn.
Inspection Aid
- Area Measurement Guide, 8 x 10 in English Units, IA#30A
- Area Measurement Guide, IA #30B
See How to Purchase Inspection Aids (pdf) for more details.
Detailed standards, Inspection Instructions & Other Resources:
- U.S. Grade Standards for Frozen Whole Kernel (Whole Grain) Corn (pdf)
- A-412 Evaluation of Tenderness and Maturity of Frozen Whole Kernel (Whole Grain) Corn (pdf)
- A-493 Interpretive Guide to for Frozen Super-Sweet Whole Kernel Corn to Determine Tenderness and Maturity (pdf)
- Inspection Aid 34 Frozen Whole Kernel Corn Scoring Guide for Defects
- Certification Manual
- Condition of Container Manual
- Domestic Origin Verification (DOV) Program Manual
- Foreign Material Manual
- General Procedures Manual
- Safety Manual
- Sampling Manual
- Sanitation Manual
- SC-364-98 Score Sheet for Frozen Whole Kernel (or Whole Grain) Corn
- Technical Procedures Manual
- USDA Purchases Manual