Isolation by HPLC and characterisation of the bioactive fraction of New Zealand manuka (Leptospermum scoparium) honey

被引:199
作者
Adams, Christopher. J. [1 ]
Boult, Cherie H. [1 ]
Deadman, Benjamin J. [1 ]
Farr, Judie M. [1 ]
Grainger, Megan N. C. [1 ]
Manley-Harris, Merilyn [1 ]
Snow, Melanie J. [1 ]
机构
[1] Univ Waikato, Dept Chem, Hamilton, New Zealand
关键词
New Zealand manuka honey; bioactive fraction; methylglyoxal;
D O I
10.1016/j.carres.2007.12.011
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Using HPLC a fraction of New Zealand manuka honey has been isolated, which gives rise to the non-peroxide antibacterial activity. This fraction proved to be methylglyoxal, a highly reactive precursor in the formation of advanced glycation endproducts (AGEs). Methylglyoxal concentrations in 49 manuka and 34 non-manuka honey samples were determined using a direct detection method and compared with values obtained using standard o-phenylenediamine derivatisation. Concentrations obtained using both the methods were similar and varied from 38 to 828 mg/kg. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:651 / 659
页数:9
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