
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.
UMF RATING | MINIMUM MGO* METHYLGLYOXAL |
UMF 5+ | MGO 83 |
UMF 6+ | MGO 113 |
UMF 7+ | MGO 146 |
UMF 8+ | MGO 182 |
UMF 9+ | MGO 222 |
UMF 10+ | MGO 263 |
UMF 11+ | MGO 308 |
UMF 12+ | MGO 356 |
UMF 13+ | MGO 406 |
UMF 14+ | MGO 459 |
UMF 15+ | MGO 514 |
UMF 16+ | MGO 572 |
UMF 17+ | MGO 633 |
UMF 18+ | MGO 696 |
UMF 19+ | MGO 761 |
UMF 20+ | MGO 829 |
UMF 21+ | MGO 899 |
UMF 22+ | MGO 971 |
UMF 24+ | MGO 1122 |
UMF 25+ | MGO 1200 |
UMF 26+ | MGO 1282 |
* MGO is measured as mg/kg (ppm)
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