Table 1.
Samples (μg/100 g honey) | S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 |
---|---|---|---|---|---|---|---|---|
Benzoic acid | 82.64 | 98.06 | 77.16 | 147.52 | 68.62 | 89.73 | 45.32 | — |
cis,trans-Abscisic acid | 111.08 | 64.23 | 66.02 | 81.41 | 40.44 | 44.42 | 64.95 | 489.31 |
Gallic acid | 109.55 | 182.15 | 83.65 | 150.52 | 63.47 | 66.17 | 38.25 | — |
Isoferulic acid | 152.64 | — | 6.91 | 35.97 | 40.56 | 88.27 | — | — |
Methyl syringate | 30.66 | — | 93.74 | 138.52 | 2.89 | 68.12 | — | 237.52 |
p-Coumaric acid | 316.01 | 221.86 | 180.42 | 303.35 | 54.99 | 76.71 | 423.52 | 265.95 |
Ferulic acid | 53.25 | 72.11 | 73.69 | 76.35 | 0.48 | 23.81 | 74.4 | 45.67 |
Protocatechuic acid | 265.47 | 462.96 | 352.64 | 379.52 | 84.24 | 75.27 | 451.52 | 139.41 |
trans,trans-Abscisic acid | 66.69 | 70.42 | 58.52 | 61.51 | 28.77 | 39.92 | 65.01 | 402.41 |
Vanillin | 41.76 | 24.96 | 63.52 | 107.35 | 29.86 | 53.96 | 46.15 | — |
4-Hydroxybenzaldehyde | 1092.35 | 564.04 | 1081.73 | 734.41 | 464.33 | 322.52 | 55.81 | 223.41 |
4-Hydroxy benzoic acid | 65.79 | 275.43 | 188.89 | 231.21 | 43.22 | 48.58 | 72.96 | 64.25 |
Note. Average calculated from two independent analyses. (—): not detected. Sample 1 from Mongolia, sample 2 from Heilongjiang, sample 3 from Heilongjiang, sample 4 from Liaoning, sample 5 from Jilin, sample 6 from Henan, sample 7 from Shanxi, and sample 8 from Beijing.