Analysis of the Composition of Vachellia Honey from Different Regions of Kenya

This study systematically investigated the physicochemical characteristics of Vachellia honey from four major Kenya regions (Baringo, Katikit, Nakuru, and Bomet) using NMR spectroscopy, assessing sugars, organic acids, amino acids, and fermentation-related indicators. The results revealed significant differences in key quality parameters, indicating poor consistency and a lack of standardized production. Baringo honey exhibited higher total sugar and proline levels, consistent with high-quality mature honey. Bomet honey showed a significantly elevated sucrose content (>5%), exceeding international standards. Katikit honey displayed abnormally high levels of HMF and multiple fermentation-related organic acids, suggesting improper storage or over-processing. The organic acid profiles, including malic acid and citric acid, also varied considerably among regions. Antibacterial activity against Staphylococcus aureus was significantly stronger for Baringo, Katikit, and Bomet than Nakuru (p < 0.05), indicating good antimicrobial potential with regional variation. Multivariate analyses identified antibacterial activity, sucrose, alanine, glucose, citric acid, and total fructose + glucose as key geographical discriminators. Overall, the findings indicate that Kenyan Vachellia honey is inconsistent, with some samples exhibiting immaturity or storage-related defects, underscoring the urgent need for unified production standards and quality control systems.