Table 2.
Mean +/- SD of the concentration of phenolic compounds (mg/100g) in honey samples analyzed.
Samples | Syringic acid | Tannic acid | Caffeic acid | Ferulic acid | Coumaric acid | Gallic acid | Rosmarinic acid | Epicatechin | Pyrogallol |
| |||||||||
H1 | 0.25 ± 0.09 b | 3.36 ± 0.06 d | 0.05 ± 0.02 b | 0.98 ± 0.16 c | 1.73 ± 0.09 c | 2.03 ± 1.02 cd | 0.25 0.03 c | ND | 4.09 ± 0.08 d |
H2 | ND | ND | 0.03 ± 0.00 b | ND | ND | ND g | 0.12 ± 0.01 d | ND | 0.48 ± 0.06 e |
H3 | 0.12 ± 0.05 b | ND | 0.04 ± 0.01 b | 0.25 ± 0.04 d | ND | ND g | 0.92 ± 0.04 b | ND | ND |
H4 | 0.35 ± 0.08 b | 0.60 ± 0.02 g | 0.01± 0.00 b | 0.45 ± 0.08 d | ND | ND g | ND | ND | ND |
H5 | ND | 5.62 ± 0.15 a | ND | 1.93 ± 0.05 a | 2.75 ± 0.15 c | 18.42 ± 1.27 a | 0.15 ± 0.01 c | 4.60 ± 0.04 b | ND |
H6 | ND | ND | 0.004 ± 0.00 b | 0.02 ± 0.00 def | 0.58 ± 0.04 c | 0.35 ± 0.02 cdf | 0.001 ± 0.00 f | 0.18 ± 0.01 c | 0.31 ± 0.06 e |
H7 | 0.16 ± 0.02 b | 1.20 ± 0.04 f | 0.03 ± 0.01 b | 0.16 ± 0.04 de | 0.72 ± 0.06 c | 1.16 ± 0.06 cdf | 0.02 ± 0.00 e | 6.42 ± 0.16 a | 3.65 ± 0.23 d |
H8 | ND | ND | ND | ND | ND | ND g | ND | ND | ND |
H9 | 0.68 ± 0.01 b | 4.04 ± 0.08 c | 0.22 ± 0.06 b | 0.89 ± 0.08 c | 4.42 ± 1.05 b | 4.22 ± 0.04 c | 1.38 ± 0.09 a | ND | 9.65 ± 0.29 b |
H10 | 1.24 ± 0.65 a | 5.39 ± 0.09 ab | 0.02 ± 0.00 b | 1.70 ± 0.04 ab | 1.40 ± 0.02 c | 3.20 ± 0.23 c | 0.06 ± 0.01 e | 0.39 0.02 c | 3.33 ± 0.84 d |
H11 | 0.10 ± 0.01 b | ND | 5.88 ± 1.15 a | ND | 8.20 ± 0.54 a | 3.78 ± 0.06 c | ND | 1.76 ± 0.1 c | 6.23 ± 0.07 c |
H12 | 0.32 ± 0.02 b | 5.54 ± 0.06 a | 0.03 ± 0.01 b | 1.83 ± 0.01 a | 1.51 ± 0.08 c | 7.69 ± 0.84 b | 0.07 ± 0.01 e | 3.92 ± 1.48 b | 16.34 ± 1.13 a |
| |||||||||
Min-Max | 0.10 – 1.24 | 0.60 – 5.62 | 0.01 – 5.88 | 0.02 – 1.93 | 0.58 – 8.20 | 0.35 - 18.42 | 0.001- 1.38 | 0.18 -6.42 | 0.31 – 16.34 |
| |||||||||
Average | 0.27 | 4.14 | 0.53 | 0.68 | 1.78 | 3.40 | 0.25 | 1.44 | 3.67 |