Dihydroxyacetone Production in the Nectar of Australian Leptospermum Is Species Dependent

Simon Williams; Linda Pappalardo; Josiah Bishop; Peter R Brooks

doi:10.1021/acs.jafc.8b04363

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Dihydroxyacetone Production in the Nectar of Australian Leptospermum Is Species Dependent

Journal article

Peer reviewed

Dihydroxyacetone Production in the Nectar of Australian Leptospermum Is Species Dependent

Simon Williams, Linda Pappalardo, Josiah Bishop and Peter R Brooks

Journal of Agricultural and Food Chemistry, Vol.66(42), pp.11133-11140

2018

DOI: https://doi.org/10.1021/acs.jafc.8b04363

PMID: 30289260

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Abstract

Australia

dihydroxyacetone

high-performance liquid chromatography

honey

Leptospermum

nectar

This study is the first large-scale survey of the presence of dihydroxyacetone (DHA) in the nectar of the Australian Leptospermum tree species. The work undertaken supports the growing global demand for bioactive Leptospermum honey. Leptospermum honey derived from L. scoparium in New Zealand, also referred to as Manuka honey, has a reputation for Ì… wound-healing and antimicrobial properties, which is based on its methylglyoxal (MGO) content. High-DHA nectar correlates to high-MGO honey, but not all Leptospermum species produce DHA in their nectar. This study investigates 55 of the 84 Leptospermum species native to Australia for their DHA-producing capability, with the DHA to total sugar (DHA:Tsugar) ratio of nectar samples determined by HPLC-PDA. DHA:Tsugar ranged from nondetectable in L. laevigatum, L. coriaceum, and L. trinervium to >16 000 mg/kg in L. speciosum and L. whitei. High-DHA Leptospermum species were identified for beekeepers to target for honey production and plantation development.

Details

Title: Dihydroxyacetone Production in the Nectar of Australian Leptospermum Is Species Dependent
Authors: Simon Williams (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Linda Pappalardo (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Josiah Bishop (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Peter R Brooks (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Publication details: Journal of Agricultural and Food Chemistry, Vol.66(42), pp.11133-11140
Publisher: American Chemical Society
Date published: 2018
DOI: 10.1021/acs.jafc.8b04363
ISSN: 0021-8561
PMID: 30289260
Organisation Unit: School of Science and Engineering - Legacy; School of Education and Tertiary Access; University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy; School of Science, Technology and Engineering; Centre for Bioinnovation
Language: English
Record Identifier: 99451467302621
Output Type: Journal article

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