UMF to MGO Ratings Conversion

UMF

UMF stands for Unique Manuka Factor. According to Unique Manuka Factor Honey Association that manages the UMF trademark, the quality of manuka can be determined by the presence of unique signature compounds such as Leptosperin, DHA and Methylglyoxal. The more the unique signature compounds, the better is the purity and quality of the manuka honey, and the higher will be the UMF rating of the manuka honey.

MGO

The MGO grading system is managed by Manuka Health New Zealand Limited. It measures specifically the amount of Methylglyoxal (MGO) compound in manuka honey. The concept is similar to UMF grading. The higher the amount of Methylglyoxal in the manuka, the better is the purity and quality of the manuka.

UMF and MGO ratings compared

The following table is a guide for how to compare between UMF and MGO ratings. Please note that some brands of manuka honey are rated MG instead of MGO, and both are the same term referencing to the active ingredient called Methylglyoxal.

* MGO is measured as mg/kg (ppm)

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