UHPLC-MS/MS Profiling of Algerian Honey Phenolics

Researchers investigating the synergistic interactions within binary combinations of ten Algerian honey samples, focusing on their phytochemical profiles and bioactivities, used ultrahigh-performance liquid chromatography coupled with tandem mass spectrometry (UHPLC-MS/MS) to profile and identify 22 phenolic compounds. A paper based on this research was published in Scientific Reports.¹

Why Is Honey Considered Beneficial to Health?

Natural products have long been at the heart of medicine, forming the basis for both traditional remedies and the development of many modern drugs.² Among these natural products, honey has gained recognition as more than just a sweetener; it is a complex food with a range of potential health benefits, including the ability to fight cell damage, reduce inflammation, and show promise in cancer research.³ These health benefits are largely due to the rich mix of naturally occurring plant-based compounds found in honey, particularly flavonoids and phenolic acids. The specific makeup of these compounds can vary considerably depending on which flowers the bees that produced the honey collected nectar from and where in the world the honey was produced.⁴The wide range of plant-based compounds found in honey is what gives it its impressive ability to protect the body against oxidative stress, a process linked to cell damage and aging. Honeys that are darker in color and more oxidized tend to contain higher levels of these beneficial compounds. Many people already think of natural honey as a health-promoting food, and for good reason: research suggests it may support heart health, strengthen the immune system, help regulate inflammation, and provide antioxidant protection throughout the body.⁵

What Did Researchers Find When They Tested the Antioxidant and Antibacterial Properties of Algerian Honey Combinations?

The researchers identified 22 naturally occurring plant-based compounds in the ten distinct honey varieties, with four (quinic acid, gallic acid, naringenin, and acacetin) standing out as the most prevalent. They then tested how well the samples could neutralize harmful molecules (antioxidant activity) and fight off three common bacteria: Staphylococcus aureus, Pseudomonas aeruginosa, and Escherichia coli. This was done both through laboratory experiments and computer modeling.¹

The researchers report that their results show promise. When certain samples were combined, they worked better together than individually. One honey variety in particular (M3) showed especially strong antioxidant performance, while three others (M2, M5, and M8) were notably effective against bacteria. The computer modeling further supported these findings, showing that the key compounds in the samples bound well to the target sites on the bacteria, a strong indicator of biological activity.¹

“These findings,” write the authors of the paper,¹ “highlight the enhanced therapeutic as well as nutritional potential of Algerian honey combinations as potent natural sources of synergistic bioactive compounds.”

While these findings are encouraging, it is worth noting that the research was conducted in a laboratory setting and through computer modeling rather than in living organisms or human subjects. To build on this work, the researchers suggest that future studies test these honey combinations in animals or humans, explore in greater depth how and why the synergistic effects occur, and ultimately assess whether these combinations could be used as practical treatments.¹

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References

1. Siad, N.; Hamia, C.; Djeridane, A. et al. Phenolic Profiling, Synergistic Antibacterial and Antioxidant Potentials of Various Honey Combinations: in vitro and in silico Study. Sci Rep. 2026. DOI: 10.1038/s41598-026-57418-0
2. Ahandani, E. A.; Ozdemir, B.; Hajipour, S. et al. Use of Natural Products in Preventive Medicine and Healthy Life. J. Prev. Med. Holist. Health 2023, 9, 5–9. DOI:10.18231/j.jpmhh.2023.003
3. Ahmed, M. W.; Asif, M.; Ahmed, R. et al. Pharmacology, Nutrition Value and Therapeutic Potential of Honey: A Review. J. Pharmacogn. Phytochem. 13, 40–47 (2024). DOI:10.22271/phyto.2024.v13.i2a.14868
4. Johnson-Ajinwo, O. R.; Obi, C. A. A Review of the Pharmacological Activities of Honey. Int. J. Drug Discov. 2024, 3 (1), 14–31.
5. Tlak Gajger, I.; Dar, S. A.; Ahmed, M. M. M. et al. Antioxidant Capacity and Therapeutic Applications of Honey: Health Benefits, Antimicrobial Activity and Food Processing Roles. Antioxidants 2025, 14 (8), 959. DOI: 10.3390/antiox14080959