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Manuka honey UMF & MGO

October 4, 2020
The key natural compound in Manuka honey is Methylglyoxal (MGO). It is found in most types of honey, but usually only in small quantities. But where does it come from in manuka honey? In Manuka Honey, MGO comes from the conversion of another compound dihydroxyacetone (DHA), that is found in high concentration in the nectar of […]

The key natural compound in Manuka honey is Methylglyoxal (MGO). It is found in most types of honey, but usually only in small quantities. But where does it come from in manuka honey?

In Manuka Honey, MGO comes from the conversion of another compound dihydroxyacetone (DHA), that is found in high concentration in the nectar of Manuka flowers.  So what do I look for on your label and what makes MGO so special?

MGO is a very reactive compound and due to its unique chemical structure, it reacts with bacterial DNA and disrupts its structural integrity and function. Thus, it directly damages the formation of new bacterial cells. Okay I understand now but how much of the concentration is needed?

The potency of MGO can be expressed as MIC (Minimum Inhibition Concentration). MIC is defined as the minimum concentration of MGO required to inhibit 100% of bacterial growth. MGO is the most effective against the below bacteria and as well of the suggested MIC.

Escherichia Coli (ATCC 8739) – M.I.C is 220 mg/kg

Psudomonas aeruginosa – M.I.C is 310 mg/kg

Staphylococcus aureus – M.I.C is 100 mg/kg

Streptococcus mutans – M.I.C is 150 mg/kg

Candida albicans – M.I.C is 550 mg/kg

Group A Streptococcus bacteria – M.I.C is 100 mg/kg

H.Pylori – M.I.C is 250 mg/kg

The difference between MGO & UMF® is easy to describe, as a rule of thumb these are the main differences

MGO

Simplicity at heart. No hard conversions. The amount of MGO in honey is quantified at independent accredited laboratories and indicated on the label in milligrams per kilogram.

UMF®

Paid membership for the Unique Manuka Factor Honey Association (UMFHA). A rating based on the quantity of DHA, MGO and presence of leptosperin in honey products.

To get even more of an idea here is a comparison table to see the different values between the two rating systems. The amounts might differ slightly and this is only an indication.

Zealandia Honey® BronzeMGO 100+UMF 5+
Zealandia Honey® SilverMGO 250+UMF 10+
Zealandia Honey® Rose GoldMGO 400+UMF 13+
Zealandia Honey® GoldMGO 550+UMF 16+
Zealandia Honey® CobaltMGO 850+UMF 20+
Zealandia Honey® DiamondMGO 1200+UMF 25+

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