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. 2021 Apr 21;26(9):2423. doi: 10.3390/molecules26092423

Table 2.

The content of soluble protein, enzyme activity, and antioxidant activity of imported honey blends and raw local honey.

Honey Sample Protein Content
[mg/100 g]
Enzymatic Activity Antioxidant Activity
Diastase Activity
(as Diastase Number DN)
Acid Phosphatase Activity
(mmol/g/min)
Total Phenolic Content
(mg GAE/kg)
FRAP
(μmol TE/kg)
DPPH
(% Radical Inhibition)
A1 27.27 ± 2.57 * 8.3 ± 2.3 * 5.0 ± 1.9 58.56 ± 0.56 * 203.85 ± 2.04 * 10.82 ± 0.22 *
A2 19.09 ± 2.57 * 2.7 ± 0.6 * 7.5 ± 2.6 98.20 ± 2.95 * 317.31 ± 6.35 * 11.51 ± 0.12 *
AC 37.73 ± 0.64 5.63 ± 1.8 7.7 ± 0.5 140.81 ± 11.41 531.96 ± 18.50 19.64 ± 6.13
B1 224.55 ± 6.43 * 13.9 ± 3.8 * 20.7 ± 0.4 * 516.22 ± 5.02 * 1113.46 ± 33.40 * 33.99 ± 1.02 *
B2 175.46 ± 14.14 * 10.3 ± 2.2 * 19.5 ± 1.7 * 653.15 ± 6.53 * 623.08 ± 11.98 * 39.55 ± 4.00 *
BC 475.456 ± 3.86 66.43 ± 5.7 31.8 ± 2.6 2075.70 ± 19.90 4973.10 ± 46.73 59.69 ± 2.51
L1 23.18 ± 0.64 * 4.3 ± 1.1 * 6.7 ± 0.9 * 125.23 ± 1.50 * 615.38 ± 12.31 * 17.76 ± 1.60 *
L2 23.634 ± 3.856 * 8.0 ± 1.2 * 5.2 ± 1.2 * 102.70 ± 1.13 * 607.69 ± 18.23 * 17.92 ± 0.36 *
LC 89.55 ± 1.93 28.94 ± 3.8 17.8 ± 2.6 436.90 ± 4.25 1555.80 ± 14.82 23.30 ± 0.76
M1 10.91 ± 0.00 * 2.7 ± 0.7 * 9.8 ± 1.7 * 161.26 ± 2.01 * 425.00 ± 8.50 * 13.73 ± 0.14 *
M2 53.18 ± 3.21 * 3.1 ± 0.9 * 10.3 ± 1.4 117.20 ± 1.18 * 334.62 ± 6.69 * 13.41 ± 0.11 *
MC 133.18 ± 4.50 29.51 ± 4.0 11.5 ± 0.2 496.80 ± 5.00 1470.20 ± 14.93 19.52 ± 0.26
H1 89.09 ± 6.43 * 16.3 ± 2.2 * 16.7 ± 0.5 310.81 ± 2.89 * 1390.38 ± 41.71 * 79.37 ± 4.76
H2 105.456 ± 21.86 * 12.5 ± 1.9 * 17.3 ± 2.8 * 597.30 ± 11.95 1934.62 ± 77.38 * 72.32 ± 0,71
H3 70.46 ± 8.36 14.6 ± 1.0 16.3 ± 1.9 568.47 ± 6.25 * 1488.46 ± 29.77 * 12.73 ± 0.10 *
HC 70.91 ± 2.57 17.45 ± 2.9 14.0 ± 1.9 646.80 ± 5.87 1526.00 ± 16.97 69.58 ± 0.35

* Means marked with the symbol differ statistically significantly from a high quality local control sample (marked with bold): AC for acacia, BC for buckwheat, LC for linden, MC for multifloral, and HC for honeydew honey (t-test, p < 0.05).