Corn Flour
Corn flour is a milled cereal flour produced from maize kernels. It is used in food preparations such as breads, tortillas, and industrial snack bases.
Prices, specifications and international trade for corn flour under HS 110220.
Corn Flour Price
Published reference · Jul 1, 2026
Corn flour is quoted in USD/t at MEX. Historical customs values may differ from the headline reference.
Explore corn flour pricesCorn Flour Exports and Imports
Mexico led reported corn flour exports in 2025, at $190M.
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Corn flour grading factors include Particle size, Moisture content, and Color.
Grading Factors
Quality assessment for corn flour considers Particle size, Moisture content, and Color.
- Particle size
Fineness and uniformity of the grind affect how the flour hydrates, thickens, and blends in batters, coatings, and baked goods. A consistent particle size ensures even cooking and a smooth texture.
- Moisture content
Moisture level influences shelf stability and functional performance. Too much moisture can promote microbial growth and caking, while too little may affect hydration and processing.
- Color
The natural yellow or white color of the flour is a quality indicator for buyers, as it affects the appearance of the final product. Off-colors may indicate poor milling or storage conditions.
- Fat content
The amount of fat in the flour impacts its flavor stability and shelf life. Higher fat can lead to rancidity over time, so lower fat content is often preferred for longer storage.
Common Defects
Recorded defects for corn flour include Rancid odor, Insect infestation, and Lumps or caking.
- Rancid odor
A stale or off smell caused by oxidation of oils in the germ, which can occur if the flour is stored too long or in warm, humid conditions. It makes the flour unsuitable for consumption.
- Insect infestation
Presence of insects or insect fragments, often from poor storage, which can contaminate the flour and reduce its quality and safety.
- Lumps or caking
Hardened clumps that form when moisture is absorbed, making the flour difficult to sift and blend, and indicating improper storage.
Corn Flour Facts and HS Code
Corn flour belongs to flours, starches and milled products within produce, nuts, spices and food ingredients. Its customs classification covers HS 110220.
Corn Flour HS Code
| Also known as | maize flour |
|---|---|
| Product type | Intermediate |
| Form | Milled |
| Position in the chain | Processed |
| Category | Flours, starches and milled products — Produce, nuts, spices and food ingredients |
| HS codes | 110220 |
| Quoted in | USD/t |
| Reference location | MEX |
Production & Handling
Corn flour storage guidance: Store corn flour in a cool, dry, and well-ventilated area, protected from direct sunlight and moisture. Proper storage prevents insect infestation, mold growth, and rancidity, which can occur if the flour is exposed to heat or humidity.
Production and Storage
| Perishability | Medium |
|---|---|
| Temperature regime | Ambient |
| Storage conditions | Store corn flour in a cool, dry, and well-ventilated area, protected from direct sunlight and moisture. Proper storage prevents insect infestation, mold growth, and rancidity, which can occur if the flour is exposed to heat or humidity. |
| Production methods | Farmed |
| Processing steps |
|
Packaging
Typical corn flour packaging includes Paper bag with inner liner, Multi-wall kraft paper sack, and Bulk tote or silo.
- Paper bag with inner liner
Common for retail and food service sizes, the liner protects against moisture and odors while allowing the bag to breathe.
- Multi-wall kraft paper sack
Used for bulk distribution to bakeries and food manufacturers, these sacks provide strength and protection during transport and storage.
- Bulk tote or silo
For large-scale industrial users, corn flour is delivered in bulk containers that allow efficient handling and storage, though these are not typical packaging for retail.
Uses & Risks
Corn flour is used in Staple‑food preparations, Industrial cereal bases, and Gluten‑free formulations.
End Uses
- Staple‑food preparations
Used in polenta‑style dishes, cornbread, arepa/tortilla and similar regional preparations
- Industrial cereal bases
Ingredient in extruded snacks, instant porridge and quick‑cook products
- Gluten‑free formulations
Replaces wheat flour in allergen‑positioned or gluten‑free food applications
Uses and Related Commodities
| Downstream industries | Food manufacturing, Snack production, Ready‑to‑eat and instant meals |
|---|
Sourcing risks
| Risk | Mitigation |
|---|---|
Aflatoxin contamination Food safetyHigh Corn can be contaminated with aflatoxins, toxic compounds produced by molds, especially in warm, humid conditions. These can survive processing and pose a health risk. | Source from suppliers who test for mycotoxins and implement good agricultural and storage practices to prevent mold growth. |
Moisture damage during transit LogisticsMedium Exposure to moisture during shipping can cause caking, mold growth, and spoilage. Condensation in containers or wet conditions can ruin a shipment. | Use moisture-barrier packaging, ensure containers are dry and well-ventilated, and monitor humidity levels during transport. |
Insect infestation during storage PestMedium Stored grain pests can infest corn flour, leading to contamination and reduced quality. Infestation can occur in warehouses or during transport. | Implement integrated pest management, including proper sanitation, monitoring, and the use of food-safe fumigants when necessary. |
Corn Flour Questions
- What is the definition of corn flour?
- Corn flour is a cereal flour derived from maize (corn). It is classified as a milled product used in food preparation.
- How should corn flour be stored to maintain quality?
- Corn flour should be kept in a cool, dry place, sealed to protect it from moisture and pests. Proper storage helps preserve its fine texture and prevents spoilage.
- What are common uses of corn flour in cooking?
- Corn flour is used as a thickening agent in sauces, soups, and gravies, and as a base for baked goods and tortillas. Its fine consistency allows it to blend smoothly into recipes.