When most people think about food safety, they focus on where they buy their food. However, what happens after cereals enter the home can be just as important.
Following KALRO’s recent warning about dangerous levels of cancer-linked aflatoxins in cereals sold across Kenyan markets, households should review how they store staple foods such as maize, millet, sorghum, and groundnuts.
Aflatoxins are toxic substances produced by molds that thrive in warm and moist environments. Because they are tasteless, odorless, and resistant to cooking temperatures, prevention remains the best defense.
Here are some common grain storage mistakes that could increase your family’s exposure to aflatoxins.
Storing Grains Before They Are Completely Dry
One of the most common mistakes occurs when cereals are stored before all moisture has been removed.
Whether purchased from the market or harvested from the farm, grains that retain moisture create the ideal environment for mold growth. Even a small amount of trapped moisture can encourage the development of fungi that produce aflatoxins.
Food safety experts recommend ensuring grains are thoroughly dried before placing them into storage containers.
Keeping Cereals in Warm, Humid Spaces
Many households store cereals in kitchens, utility rooms, or enclosed spaces where temperatures can rise significantly.
Warm and poorly ventilated environments provide favorable conditions for mold growth. Over time, the risk of contamination increases, especially during rainy seasons when humidity levels are high.
Experts advise storing grains in cool, dry, and well-ventilated areas whenever possible.
Using Old or Damaged Storage Containers
The condition of storage containers matters more than many people realize.
Old sacks, cracked containers, and bags that have previously been exposed to moisture can harbor mold spores and contaminants. Even when they appear clean, these containers may still create conditions that encourage fungal growth.
Households should regularly inspect storage containers and replace those showing signs of wear, moisture damage, or contamination.
Mixing New Grain With Old Stock
Combining newly purchased cereals with older grain supplies is another common but risky practice.
If the older stock contains moisture, insects, or mold, contamination can spread to the fresh grain. What begins as a small problem can quickly affect an entire storage batch.
Food safety specialists recommend using older grain first before adding new stock.
Ignoring Routine Inspections
Many families store cereals and only check them when it is time to cook.
Regular inspections can help identify problems before they become serious. Dampness, insect infestations, discoloration, clumping, or visible mold are all warning signs that should not be ignored.
Checking stored grains periodically and removing any compromised portions immediately.
Buying Loose Cereals Without Verifying Their Quality
Price often influences purchasing decisions, especially in informal markets where cereals are sold unpackaged.
While loose grains may appear fresh, consumers often have no way of knowing how they were handled, transported, or stored before reaching the market.
Food safety authorities encourage consumers to purchase products from reputable suppliers and look for packaging that carries valid KEBS certification marks.
Feeding Spoiled Grains to Livestock
Some households choose to feed damaged or moldy cereals to livestock rather than discard them.
Experts warn that this practice can introduce aflatoxins into the food chain. Animals that consume contaminated feed may pass toxins into products such as milk and meat, creating additional health risks for consumers.
Any grain showing signs of spoilage should be disposed of safely rather than fed to animals.
Small Changes Can Make a Big Difference
While KALRO and KEBS continue to strengthen surveillance and enforcement efforts, households play a crucial role in reducing exposure to aflatoxins.
Simple habits such as proper drying, careful storage, regular inspections, and purchasing cereals from trusted sources can significantly lower the risk of contamination.



