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. 2019 May 27;2019:8768210. doi: 10.1155/2019/8768210

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