Table 1. Physicochemical characteristics of different unifloral honeys produced during three successive seasons.
| Properties | Citrus |
Clover |
Cotton |
IHS |
||||||
| Fresh | 1 year | 2 year | Fresh | 1 year | 2 year | Fresh | 1 year | 2 year | - | |
| Refractive index | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | 1.49 | 1.49 | 1.50 | - |
| Colour | 0.04 | 0.05 | 0.09 | 0.04 | 0.06 | 0.11 | 0.11 | 0.15 | 0.22 | - |
| Water activity | 0.56 | 0.56 | 0.52 | 0.56 | 0.56 | 0.52 | 0.55 | 0.55 | 0.52 | - |
| TSS (%) | 82.00 | 82.00 | 84.00 | 84.00 | 82.00 | 84.00 | 82.00 | 82.00 | 84.00 | - |
| Ash (%) | 0.13 | 0.18 | 0.15 | 0.16 | 0.16 | 0.20 | 0.42 | 0.41 | 0.44 | <0.6 |
| HMF (mg/kg) | 10.40 | 73.80 | 186.00 | 12.10 | 47.60 | 73.60 | 6.12 | 65.00 | 135.00 | <40.0 |
| EC (mScm−1) | 0.40 | 0.44 | 0.34 | 0.42 | 0.41 | 0.50 | 0.88 | 0.85 | 0.91 | <0.8 |
| Acidity (mEq/kg) | 10.80 | 14.60 | 15.20 | 11.00 | 11.50 | 11.60 | 28.06 | 33.70 | 37.70 | <50.0 |
| pH | 4.47 | 4.50 | 4.60 | 4.64 | 4.76 | 4.73 | 4.66 | 4.70 | 4.74 | - |
| H2O2 (mg/L) * | 2.23 | 1.98 | 0. 92 | 2.40 | 2.16 | 1.25 | 3.98 | 3.04 | 1.94 | - |
TSS: total soluble solids, HMF: hydroxy methyl furfural, EC: electrical conductivity, IHS: international honey standard values. *: In water diluted honey (33%, w/v).