Regulatory Recall Highlights Importance of Sulphur Dioxide Testing

The Singapore Food Agency (SFA) recently announced a recall of Pickled Pearl Garlic after detecting sulphur dioxide at levels exceeding the maximum limit permitted under the Singapore Food Regulations.

The product also failed to declare sulphur dioxide on its food label, creating both a regulatory non‑compliance issue and a potential allergen risk for sensitive consumers. This incident underscores the critical role of accurate laboratory testing and proper labelling in ensuring food safety and regulatory compliance.

 

Why Sulphur Dioxide Testing Matters

Sulphites are commonly added to food products as preservatives and antioxidants to inhibit microbial growth, prevent discoloration, and extend product shelf life. It may be present in a variety of food products, including pickled vegetables, dried fruits, seafood products, beverages, sauces, and processed foods. Because excessive levels or undeclared use can result in regulatory non-compliance, laboratory testing plays a critical role in verifying product safety and labelling accuracy. 

Laboratory testing helps businesses verify:

  1.  Sulphur dioxide concentration in food products
  2.  Compliance with Singapore Food Regulations and export market requirements
  3. Supplier claims and product specifications
  4. Quality control during production and import verification

Routine testing reduces the risk of recalls, regulatory actions, customer complaints, and reputational damage.

 

The Role of Food Additives Testing

Regulatory requirements highlight the broader importance of monitoring food additives beyond sulphur dioxide. Food manufacturers may need to monitor other food additives such as preservatives, food colourings, sweeteners, antioxidants, and acidity regulators, depending on the product type and applicable regulatory requirements. Depending on product type and regulatory requirements, food manufacturers may need to test for:

  1. Sulphur Dioxide
  2. Benzoic Acid
  3. Sorbic Acid
  4. Sodium Benzoate
  5. Potassium Sorbate
  6. Artificial Food Colourings
  7. Artificial Sweeteners
  8. Other regulated food additives

 

Protecting Consumers and Brand Reputation

For companies operating in Singapore’s food supply chain, preventive testing is often more cost-effective than responding to a product recall. Importers and food businesses should consider routine food additives testing for products that may contain regulated additives, particularly preserved, pickled, fermented, and processed food products.

A testing laboratory can provide food additives testing, including sulphur dioxide analysis, to support regulatory submissions, customer requirements, and internal quality assurance programs. Implementing regular food additives testing helps businesses identify compliance risks before products reach the market, verify that additive levels comply with applicable food regulations, and maintain greater confidence in product quality, food labelling accuracy, and regulatory compliance.

 

Conclusion

Ensuring food safety requires vigilance against undeclared allergens and excessive additive levels. Regular sulphur dioxide and food additives testing helps businesses verify compliance, maintain accurate labelling, and uphold consumer confidence.

Reach out to our laboratory team to explore customized testing solutions that protect both your customers and your brand.