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      Analysis of the flavonoid component of bioactive New Zealand mānuka (Leptospermum scoparium) honey and the isolation, characterisation and synthesis of an unusual pyrrole

      Chan, Ching Wan; Deadman, Benjamin Jade; Manley-Harris, Merilyn; Wilkins, Alistair L.; Alber, Dagmar G.; Harry, Elizabeth
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      Chan et al 2013 Analysis.pdf
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      DOI
       10.1016/j.foodchem.2013.04.092
      Link
       www.sciencedirect.com
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      Chan, C. W., Deadman, B. J., Manley-Harris, M., Wilkins, A. L., Alber, D. G. & Harry, E. (2013). Analysis of the flavonoid component of bioactive New Zealand mānuka (Leptospermum scoparium) honey and the isolation, characterisation and synthesis of an unusual pyrrole. Food Chemistry, 141(3), 1772-1781.
      Permanent Research Commons link: https://hdl.handle.net/10289/7804
      Abstract
      The flavonoid components of New Zealand mānuka (Leptospermum scoparium) honey have been quantified in a series of 31 honeys of varying non-peroxide antibacterial activity to clarify discrepancies between previous studies reported in the literature. Total flavonoid content was 1.16 mg/100 g honey. The principal flavonoids present were pinobanksin, pinocembrin, luteolin and chrysin and together these represented 61% of the total flavonoid content. 1, 2-formyl-5-(2-methoxyphenyl)-pyrrole, which was weakly correlated with the non-peroxide antibacterial activity, was isolated from the flavonoid fraction and separately synthesised. 1 did not display inhibitory activity against Staphylococcus aureus in vitro and thus the origin of the correlation, which is still unknown, is not a direct contribution.
      Date
      2013
      Type
      Journal Article
      Publisher
      Elsevier
      Rights
      This is the author's accepted version of an article published in the journal: Food Chemistry. Copyright 2013 Elsevier Ltd.
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      • Science and Engineering Papers [2617]
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