Food safety is a growing concern in Australia, with increasing cases of foodborne illnesses linked to poor food handling and storage. Although many incidents are mild, some can lead to serious health issues, especially among vulnerable groups. To help reduce these risks, it’s essential to understand what high risk foods are, how they become contaminated, and how to store and handle them safely.
In this article, we explain what classifies a food as high risk, common foodborne pathogens, and practical ways to minimise the risk of contamination in homes, businesses, and food service settings.
What Are High Risk Foods?
High risk foods are those that can easily harbor harmful bacteria and are typically consumed without any additional cooking or heat treatment. These foods typically contain moisture, protein, and are stored in refrigerated conditions. Because they don’t go through another heat process, any bacteria present can multiply and lead to foodborne illness.
Examples of High Risk Foods Include:
- Cooked meat and poultry
- Meat products
- Ready-to-eat pies and pasties
- Gravy, sauces, and soup
- Shellfish such as prawns and oysters
- Raw egg products (e.g. homemade mayonnaise)
- Dairy products
- Cooked rice
- Pre-prepared salads and soft cheeses
Unlike high risk foods, low-risk foods tend to be dry, acidic, or rich in sugar, which creates an environment that does not support the growth of harmful bacteria. These include:
- Dried rice and pasta
- Canned goods
- Pickled foods
- Hard cheeses
- Cereals and bread
Common Microorganisms That Cause Food Poisoning
Understanding which pathogens are linked to contaminated foods helps prevent outbreaks. Some of the most common foodborne microorganisms include:
- Salmonella – Found in raw or undercooked eggs and meat.
- Campylobacter – Associated with raw or undercooked poultry and untreated water.
- Listeria – Found in unpasteurised dairy and ready-to-eat foods; can survive refrigeration.
- E. coli – Commonly found in undercooked meats and unpasteurised milk.
- Norovirus – Spreads through poor hygiene and contaminated food or utensils.
- Bacillus cereus – Found in rice that’s left at room temperature after cooking.
- Clostridium perfringens – Linked to large batch cooking, often in hospitals and aged care.
- Hepatitis E virus – Found in undercooked pork and spread through faecal contamination.
Who Is Most at Risk?
While many people recover quickly from mild food poisoning, certain groups are more vulnerable to severe illness, including:
- Children
- Pregnant women
- Elderly individuals
- People with pre-existing health conditions
For these groups, even minor contamination can lead to hospitalisation or serious health complications.
Storing High Risk Foods Safely
Proper storage is crucial to prevent bacterial growth. Here are the key storage guidelines:
- Keep refrigerated items below 5 °C – to stay out of the “danger zone” where bacteria multiply.
- Freeze at or below -18 °C – when long-term storage is needed.
- Defrost food in the refrigerator rather than leaving it out at room temperature to ensure it stays safe from harmful bacteria.
- Keep raw and cooked foods apart to minimise the risk of cross-contamination.
- Use sealed containers – to maintain freshness and prevent exposure.
- Source from trusted suppliers – especially those using refrigerated transport for perishable goods.
Testing High Risk Food
Handling high risk foods safely is not just a matter of compliance – it’s a responsibility to protect public health. Whether you’re preparing meals at home or running a commercial kitchen, food safety should always be a top priority. Proper education, careful food handling, and awareness of contamination risks can significantly reduce the chances of foodborne illness.
If you’re looking for quality food testing and food safety solutions, get in touch with Test Needs. We’re here to help you maintain the highest standards of hygiene and safety in your food handling operations.
Contact Test Needs Today
- Phone: 03 9115 8105
- Email: info@testneeds.com.au
