Analysis of illegal dyes

Unauthorised azo dyes such as Sudan dyes, Rhodamine B or Orange II are sometimes illegally added to enhance the appearance of spices, sauces, or other food products. Eurofins Food & Feed Testing supports you with precise, accredited testing solutions that uncover even trace amounts of illegal dyes.

Key services

  • Screening and confirmation of illegal dyes in food, feed, and raw materials
  • Targeted analysis for Sudan I–IV, Rhodamine B, Orange II, Para Red and others
  • Advanced techniques such as LC-MS/MS and HPLC-DAD for high sensitivity and specificity
  • Low detection limits suitable for complex matrices like spices, sauces, and herbal blends
  • Accredited methods in line with ISO 17025 and EU food safety regulations
  • Fast turnaround times and clear, multilingual reporting
  • Benchmarking against regulatory thresholds and internal quality standards

Get in touch

Would you like to find out more about our testing solutions, or do you need tailored analytical support? Contact us today to get in touch with our experts.

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