Manuka the Bees' Knees at Fighting InfectionAnna Salleh, ABC, 2/14/2013Manuka is the best honey for stopping bacterial infectionsin wounds but not all honeys labelled manuka are the real thing, sayresearchers.Microbiologist Professor Elizabeth Harry, from theUniversity of Technology, Sydney, and colleagues, report their findings todayin the journal PLOS ONE.The study, funded by an Australian Research Council Linkagegrant, involved a New Zealand company involved in producing manuka honey formedicinal use.
"Not all manuka honeys are the same," says Harry,who herself has no financial interest in manuka honey. "It's reallyimportant to use the natural honey product with minimal processing."Honey in general has long been known to have antibacterialproperties, mainly due to the presence of hydrogen peroxide.
But manuka honey has been touted as having superior activityabove and beyond other honeys.
This has been thought to be due to the presence of highlevels of a chemical called methyl-glyoxal, or MGO.
Harry and colleagues investigated the ability of manuka andother honeys to kill four bacteria commonly found in chronic wounds.
They tested the effect of clover, manuka and kanuka honeyson Bacillus subtilise, Escherichia coli, Staphylococcus aureus and Pseudomonasaeruginosa.
Clover honey has no MGO and no peroxide, while kanuka andmanuka both have peroxide, but manuka has higher levels of MGO to kanuka."Manuka honey was the most effective at inhibiting thegrowth of all the bacteria," says Harry…
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