FOOD SAFETY

AFLATOXIN CONTROL IN OIL PRODUCTION

Comprehensive guide to preventing and controlling aflatoxin contamination in oil production

Haonuo Engineering Team
Engineering Team · Haonuo Machinery
July 21, 2026

Introduction

Aflatoxins are toxins produced by certain fungi (Aspergillus flavus and Aspergillus parasiticus) that can contaminate seeds used for oil production. Aflatoxin control is crucial for ensuring food safety and meeting international standards.

Types of Aflatoxins

Aflatoxin B1
Danger: Highly toxic
Sources: Corn, peanuts, rice
Effects: Carcinogenic, hepatotoxic
Aflatoxin B2
Danger: Toxic
Sources: Peanuts, corn
Effects: Less toxic than B1
Aflatoxin G1
Danger: Toxic
Sources: Grains, nuts
Effects: Carcinogenic
Aflatoxin G2
Danger: Less toxic
Sources: Grains
Effects: Minor effects

Contamination Sources

Humid Storage Conditions

Storage in humid or flooded areas promotes fungal growth

Extended Storage Time

The longer seeds are stored, the higher the risk

Climate Conditions

Warm temperatures and high humidity promote growth

Pre-Harvest

Wet weather before harvest can contaminate crops

Prevention Strategies

Seed Control

  • Inspect quality before purchase
  • Avoid damaged or moldy seeds
  • Test batches for aflatoxin

Proper Storage

  • Store in dry conditions
  • Use waterproof bags
  • Control relative humidity

Immediate Drying

  • Dry seeds within 24 hours
  • Maintain moisture below 12%
  • Use industrial dryers

Detection Methods

Method Time Accuracy Use Case
Rapid Field Test 5-10 minutes Low Initial screening
ELISA Test 2-4 hours Medium Quality control
HPLC 4-6 hours High Certification

Regulations & Standards

EU

Limit: 2 ppb
Products: Edible oils

USA

Limit: 20 ppb
Products: Seeds and oils

Codex Alimentarius

Limit: 10 ppb
Products: Food products

Conclusion

Aflatoxin control requires a proactive approach at every stage of the supply chain. By combining rigorous raw material selection, proper storage, and reliable detection methods, you can ensure product safety and meet international standards.

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