Opportunities for Members

The World Health Organization (WHO) is establishing an Expert Group to review data collected through WHO's global call for data on the fatty acid composition of bovine milk and to provide advice on a suitable approach for estimating industrially produced trans-fatty acid (IP-TFA) content in foods containing mixed trans-fatty acid (TFA) sources.

No universally accepted laboratory method currently exists to directly distinguish IP-TFA from naturally occurring ruminant TFA (R-TFA) in foods where both are present. Building on a decision-tree/conversion-factor approach previously proposed by the European Commission's Joint Research Centre, and on a 2024 WHO roundtable that identified the need to test its global applicability, WHO collected fatty acid composition data on bovine milk from countries worldwide. The Expert Group will review this evidence base and advise WHO on a scientifically robust and practically feasible approach for estimating IP-TFA content for use in monitoring compliance with TFA policies.

WHO is seeking experts with experience in analytical/lipid chemistry (including GC-based fatty acid analysis), dairy science, food chemistry, nutrition science and risk assessment, food regulatory science and policy, and biostatistics/data science.

More information and submission of application

For more information, please follow this link.

Interested applicants should submit an updated curriculum vitae, Declaration of Interests and Confidentiality Undertaking forms completed and signed. The forms are available here.

Applications should be submitted by email to yamamotor@who.int with the subject line:
"Call for Experts – Estimating Industrial TFA in Foods with Mixed Sources."

Deadline for submission: 8 September 2026, 23:59 CEST

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