The bioactive, antioxidant, antibacterial, and physicochemical properties of a range of commercially available Australian honeys

Maddison Hunter; Reena Ghildyal; Nathan M. D'Cunha; Caroline Gouws; Ekavi N. Georgousopoulou; Nenad Naumovski

doi:10.1016/j.crfs.2021.08.002

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The bioactive, antioxidant, antibacterial, and physicochemical properties of a range of commercially available Australian honeys

Journal article

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The bioactive, antioxidant, antibacterial, and physicochemical properties of a range of commercially available Australian honeys

Maddison Hunter, Reena Ghildyal, Nathan M. D'Cunha, Caroline Gouws, Ekavi N. Georgousopoulou and Nenad Naumovski

CURRENT RESEARCH IN FOOD SCIENCE, Vol.4, pp.532-542

2021

DOI: https://doi.org/10.1016/j.crfs.2021.08.002

PMID: 34430875

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Abstract

Food Science & Technology

Life Sciences & Biomedicine

Science & Technology

Australian commercial honey

Bioactive

Antioxidant

Antibacterial

Physicochemical

Honey is a supersaturated sugar solution produced from plant nectar, with its composition influenced by geographic and floral origins, and with several properties contributing to its health-related abilities. This study aimed to determine the bioactive composition, antioxidant characteristics, antibacterial activity, and physicochemical properties of commercial Australian honeys. In total, 42 commercial Australian honeys were selected, and categorised according to front-label descriptions. Honeys were analysed: quality (Hydroxymethylfurfural); colour (colour intensity, L*,a*,b*); bioactive composition (phenolic, flavonoid, and carotenoid content); antioxidant characteristics (DPPH, CUPRAC, FRAP); antibacterial activity (MIC50); physicochemical properties (pH, TSS, viscosity, aw). Colour intensity correlated with each assessed bioactive compound and antioxidant characteristic (p ≤ 0.001). MIC50 (S. aureus) was associated with FRAP and aw, suggesting mechanisms of action for honey's antibacterial activity. Manuka-type honeys had higher colour intensity (1440 (98.5) mAU) than other categories (p ≤ 0.05), and consistently higher bioactive and antioxidant properties. This provides the potential to inform antioxidant-related health outcomes.

Details

Title: The bioactive, antioxidant, antibacterial, and physicochemical properties of a range of commercially available Australian honeys
Creators: Maddison Hunter - University of Canberra
Reena Ghildyal - University of Canberra
Nathan M. D'Cunha - ACT
Caroline Gouws - University of Canberra
Ekavi N. Georgousopoulou - The University of Notre Dame Australia
Nenad Naumovski - University of Canberra
Publication Details: CURRENT RESEARCH IN FOOD SCIENCE, Vol.4, pp.532-542
Publisher: Elsevier
Number of pages: 11
Grant note: Australian Government Research Training Program Scholarship; Australian Government; Department of Industry, Innovation and Science Dementia Australia Research Foundation PhD Scholarship
Identifiers: 991013035762402368
Academic Unit: National Centre for Naturopathic Medicine
Language: English
Resource Type: Journal article

The bioactive, antioxidant, antibacterial, and physicochemical properties of a range of commercially available Australian honeys

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UN Sustainable Development Goals (SDGs)

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