Comparing Manuka and other medical honeys as adjunct to antibiotic therapy against facultative anaerobes

The development of antibiotic resistance in pathogenic bacteria has created a push for new treatments, with honeys (especially Manuka) becoming a common focus due to their strong antimicrobial action. However, alternatives to Manuka are necessary, as its production is vulnerable. Additionally, resea...

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Main Authors: Sievers, Justus Thomas Obiajulu, Moffat, Emily, Khadijah Yusuf, Sarwar, Nabaa, Bowolaksono, Anom, Fyfe, Lorna
Format: Article
Language:English
Published: Penerbit Universiti Kebangsaan Malaysia 2022
Online Access:http://journalarticle.ukm.my/19469/
http://journalarticle.ukm.my/19469/1/5.pdf
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author Sievers, Justus Thomas Obiajulu
Moffat, Emily
Khadijah Yusuf,
Sarwar, Nabaa
Bowolaksono, Anom
Fyfe, Lorna
author_facet Sievers, Justus Thomas Obiajulu
Moffat, Emily
Khadijah Yusuf,
Sarwar, Nabaa
Bowolaksono, Anom
Fyfe, Lorna
author_sort Sievers, Justus Thomas Obiajulu
building UKM Institutional Repository
collection Online Access
description The development of antibiotic resistance in pathogenic bacteria has created a push for new treatments, with honeys (especially Manuka) becoming a common focus due to their strong antimicrobial action. However, alternatives to Manuka are necessary, as its production is vulnerable. Additionally, research is lacking on how honey affect facultative anaerobic bacteria grown in anaerobic conditions and how honey and antibiotics interact in these conditions. In order to understand these interactions and find novel honey candidates, we investigated the antibacterial effects of four honeys (two Manuka, one Chilean and one ‘Santa Cruz’ honeydew honey) against Staphylococcus aureus and Pseudomonas aeruginosa grown aerobically and anaerobically in broth cultures, and how the honeys affected the action of common antibiotics against these bacteria using agar diffusion assays. We found all honeys to be highly effective at 75% honey, with no significant differences between honeys, showing that other honeys were suitable alternatives to Manuka at such high concentrations. At 20%, oxygen availability and bacterial species impacted the effectiveness of honeys as Santa Cruz honey was most effective aerobically but failed anaerobically, while Manuka honeys were effective against S. aureus but not P. aeruginosa in both conditions, and Chilean honey was ineffective against all samples. The addition of honey increased bacterial sensitivity to antibiotics in some cases, varying with aerobic conditions. The antibacterial activity of the honeys, and differences in conditions whether aerobically or anaerobically, were not correlated with pH, antioxidant capacity or total phenolic count. Since in all cases honeys were either beneficial or of no effect, these results supported the use of honey as adjunct to antibiotic therapy in scenarios such as on bandages, with honeys other than Manuka also being worth consideration.
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spelling oai:generic.eprints.org:194692022-08-26T01:21:25Z http://journalarticle.ukm.my/19469/ Comparing Manuka and other medical honeys as adjunct to antibiotic therapy against facultative anaerobes Sievers, Justus Thomas Obiajulu Moffat, Emily Khadijah Yusuf, Sarwar, Nabaa Bowolaksono, Anom Fyfe, Lorna The development of antibiotic resistance in pathogenic bacteria has created a push for new treatments, with honeys (especially Manuka) becoming a common focus due to their strong antimicrobial action. However, alternatives to Manuka are necessary, as its production is vulnerable. Additionally, research is lacking on how honey affect facultative anaerobic bacteria grown in anaerobic conditions and how honey and antibiotics interact in these conditions. In order to understand these interactions and find novel honey candidates, we investigated the antibacterial effects of four honeys (two Manuka, one Chilean and one ‘Santa Cruz’ honeydew honey) against Staphylococcus aureus and Pseudomonas aeruginosa grown aerobically and anaerobically in broth cultures, and how the honeys affected the action of common antibiotics against these bacteria using agar diffusion assays. We found all honeys to be highly effective at 75% honey, with no significant differences between honeys, showing that other honeys were suitable alternatives to Manuka at such high concentrations. At 20%, oxygen availability and bacterial species impacted the effectiveness of honeys as Santa Cruz honey was most effective aerobically but failed anaerobically, while Manuka honeys were effective against S. aureus but not P. aeruginosa in both conditions, and Chilean honey was ineffective against all samples. The addition of honey increased bacterial sensitivity to antibiotics in some cases, varying with aerobic conditions. The antibacterial activity of the honeys, and differences in conditions whether aerobically or anaerobically, were not correlated with pH, antioxidant capacity or total phenolic count. Since in all cases honeys were either beneficial or of no effect, these results supported the use of honey as adjunct to antibiotic therapy in scenarios such as on bandages, with honeys other than Manuka also being worth consideration. Penerbit Universiti Kebangsaan Malaysia 2022-05 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/19469/1/5.pdf Sievers, Justus Thomas Obiajulu and Moffat, Emily and Khadijah Yusuf, and Sarwar, Nabaa and Bowolaksono, Anom and Fyfe, Lorna (2022) Comparing Manuka and other medical honeys as adjunct to antibiotic therapy against facultative anaerobes. Sains Malaysiana, 51 (5). pp. 1325-1337. ISSN 0126-6039 https://www.ukm.my/jsm/malay_journals/jilid51bil5_2022/KandunganJilid51Bil5_2022.html
spellingShingle Sievers, Justus Thomas Obiajulu
Moffat, Emily
Khadijah Yusuf,
Sarwar, Nabaa
Bowolaksono, Anom
Fyfe, Lorna
Comparing Manuka and other medical honeys as adjunct to antibiotic therapy against facultative anaerobes
title Comparing Manuka and other medical honeys as adjunct to antibiotic therapy against facultative anaerobes
title_full Comparing Manuka and other medical honeys as adjunct to antibiotic therapy against facultative anaerobes
title_fullStr Comparing Manuka and other medical honeys as adjunct to antibiotic therapy against facultative anaerobes
title_full_unstemmed Comparing Manuka and other medical honeys as adjunct to antibiotic therapy against facultative anaerobes
title_short Comparing Manuka and other medical honeys as adjunct to antibiotic therapy against facultative anaerobes
title_sort comparing manuka and other medical honeys as adjunct to antibiotic therapy against facultative anaerobes
url http://journalarticle.ukm.my/19469/
http://journalarticle.ukm.my/19469/
http://journalarticle.ukm.my/19469/1/5.pdf