Antioxidant and antimicrobial properties of Indo-Malayan stingless bee (Heterotrigona itama) honey from different seasons and distribution of flowers

Z. Hassan, . and M. N. Lani, . and S. B. A. Razak, . and F. T. Ahmad, . and A. L. Mahmood, . Antioxidant and antimicrobial properties of Indo-Malayan stingless bee (Heterotrigona itama) honey from different seasons and distribution of flowers. pp. 498-507. ISSN 2550-2166

The quality of honey produced by stingless bees can be affected by a variety of factors. Different seasons may have an influence on stingless bee behaviour while different flower sources may affect the properties of stingless bee honey. Thus this study aimed to determine the antioxidant and antimicrobial properties of stingless bee honey from different multifloral sources collected during dry and rainy seasons. Honey was collected from hives placed in two different areas with multifloral (area A and B). The difference between these areas was area A only planted with two types of flowers (with stevia) and area B with more than two flowers. Pollen in the honey samples was identified to confirm the seasonal variations. The antioxidative potential of the honey samples was determined using total phenolic content (TPC) DPPH and FRAP assays and total carotenoid content (TCC). Antimicrobial properties were analysed using well diffusion method (mm) against the foodborne pathogens Escherichia coli Staphylococcus aureus Listeria monocytogenes and Salmonella enterica serovar Typhimurium. The results revealed that honey harvested during the dry season showed higher antioxidant properties compared to those harvested in the rainy season. The highest antioxidant activities were measured in honey samples taken from area B. Nevertheless honey harvested in both seasons showed antimicrobial properties against all tested food pathogens with the dry season samples showing the highest inhibition. Surprisingly only honey from area A present showed no antimicrobial effect against E. coli. This study showed that the antioxidant and antimicrobial properties of multifloral stingless bee honey are strongly affected by seasonal differences and the distribution of the flowering plant.

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Abstract

The quality of honey produced by stingless bees can be affected by a variety of factors. Different seasons may have an influence on stingless bee behaviour while different flower sources may affect the properties of stingless bee honey. Thus this study aimed to determine the antioxidant and antimicrobial properties of stingless bee honey from different multifloral sources collected during dry and rainy seasons. Honey was collected from hives placed in two different areas with multifloral (area A and B). The difference between these areas was area A only planted with two types of flowers (with stevia) and area B with more than two flowers. Pollen in the honey samples was identified to confirm the seasonal variations. The antioxidative potential of the honey samples was determined using total phenolic content (TPC) DPPH and FRAP assays and total carotenoid content (TCC). Antimicrobial properties were analysed using well diffusion method (mm) against the foodborne pathogens Escherichia coli Staphylococcus aureus Listeria monocytogenes and Salmonella enterica serovar Typhimurium. The results revealed that honey harvested during the dry season showed higher antioxidant properties compared to those harvested in the rainy season. The highest antioxidant activities were measured in honey samples taken from area B. Nevertheless honey harvested in both seasons showed antimicrobial properties against all tested food pathogens with the dry season samples showing the highest inhibition. Surprisingly only honey from area A present showed no antimicrobial effect against E. coli. This study showed that the antioxidant and antimicrobial properties of multifloral stingless bee honey are strongly affected by seasonal differences and the distribution of the flowering plant.

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Item Type:	Article
AGROVOC Term:	Honey
AGROVOC Term:	Bees
AGROVOC Term:	Honey bees
AGROVOC Term:	Antioxidants
AGROVOC Term:	Antimicrobials
AGROVOC Term:	Seasons
AGROVOC Term:	Flowers
AGROVOC Term:	Stevia
AGROVOC Term:	Pollination
AGROVOC Term:	Therapeutic substances
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:55
URI:	http://webagris.upm.edu.my/id/eprint/10438

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