Wednesday, October 2, 2013

AOCS validates three methods for MCPD-ester analysis

A collaborative study conducted by AOCS over the past 12 months with 20 participants from eight countries has validated three indirect methods for characterizing 3-MCPD- (or monochloropropane-1,2-diol), 2-MCPD- and glycidyl-esters in oils and fats.

Coincidentally, one of these process contaminants – 3-MCPD – is the subject of a recent scientific report by the European Food Safety Authority (EFSA). In that report, EFSA notes that the results of its preliminary exposure assessment are uncertain owing to a lack of standard analytical methods.

“AOCS has worked together with the global edible oil industry via our Expert Panel on Process Contaminants to validate methods so that occurrence and exposure data can be as robust as possible,” said AOCS Chief Science Officer and Technical Director Richard Cantrill. “Although primarily focused on direct analysis of contaminants, the Expert Panel decided to benchmark the three most commonly referenced indirect methods using a set of carefully manufactured authentic reference standards. Our experts were encouraged to find that the three methods not only performed equally well but also gave results close to the known content of the manufactured reference materials. AOCS is proud to have provided this valuable analytical contribution.”

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