Identification and quantification of methylglyoxal as the dominant antibacterial constituent of Manuka (Leptospermum scoparium) honeys from New Zealand.

@article{Mavric2008IdentificationAQ,
  title={Identification and quantification of methylglyoxal as the dominant antibacterial constituent of Manuka (Leptospermum scoparium) honeys from New Zealand.},
  author={Elvira Mavric and Silvia Wittmann and Gerold Barth and Thomas Henle},
  journal={Molecular nutrition & food research},
  year={2008},
  volume={52 4},
  pages={483-9}
}
The 1,2-dicarbonyl compounds 3-deoxyglucosulose (3-DG), glyoxal (GO), and methylglyoxal (MGO) were measured as the corresponding quinoxalines after derivatization with orthophenylendiamine using RP-HPLC and UV-detection in commercially available honey samples. Whereas for most of the samples values for 3-DG, MGO, and GO were comparable to previously published data, for six samples of New Zealand Manuka (Leptospermum scoparium) honey very high amounts of MGO were found, ranging from 38 to 761 mg… CONTINUE READING
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Studies on occurence and formation of 1,2-dicarbonyls in honey

K. Weigel, T. Opitz, T. Henle
Eur. Food Res. Technol • 2004
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