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. 2017 Jun 19;54(9):2890–2901. doi: 10.1007/s13197-017-2727-0

Table 2.

Yield and total phenolics content in different extracts

Solvent Ecotype Yield (%) Phenolic compounds (mg GAE/g) Tannins (mg GAE/g) Flavonoids (mg Quer/g) Anthocyanins (mg cy-3-glu/100 g)
Water Ac 73.12 ± 5.31c 209.83 ± 3.83b 197.69 ± 0.12c 11.67 ± 0.55b 29.11 ± 2.10c
Ga 63.08 ± 2.76b 146.75 ± 1.75a 134.50 ± 0.25a 9.98 ± 0.08a 21.68 ± 1.10b
Ne 43.96 ± 2.01a 248.93 ± 14.50c 236.69 ± 0.34d 15.26 ± 0.43d 16.8 ± 1.70a
To 43.03 ± 1.94a 202.11 ± 4.95b 185.03 ± 0.10b 13.38 ± 0.17c 20.37 ± 3.40ab
Ethanol Ac 32.16 ± 2.31c 140.93 ± 0.53c 129.20 ± 0.27d 7.49 ± 0.20d 42.58 ± 2.00c
Ga 30.48 ± 1.77c 109.21 ± 0.34a 99.18 ± 0.10a 5.49 ± 0.17b 29.55 ± 3.67b
Ne 16.88 ± 0.44a 121.10 ± 6.20b 110.55 ± 0.12c 6.74 ± 0.43c 14.27 ± 3.39a
To 25.08 ± 2.02b 116.11 ± 5.15ab 105.71 ± 0.12b 5.00 ± 0.02a 12.95 ± 0.05a
Acetone Ac 4.68 ± 0.31b 304.60 ± 14.20d 292.23 ± 0.25d 15.46 ± 0.11c 54.51 ± 8.93d
Ga 3.72 ± 0.12ab 157.06 ± 0.00a 144.96 ± 0.55a 10.28 ± 0.26a 30.05 ± 2.00c
Ne 9.72 ± 1.98b 207.8 ± 0.00c 196.26 ± 0.02c 11.43 ± 0.43b 6.84 ± 0.32a
To 1.68 ± 0.32a 190.95 ± 6.91b 179.35 ± 0.10b 11.26 ± 0.60b 13.86 ± 1.40b

Ac Acide, Ga Gabsi, Ne Nebli, To Tounsi

Each value in the table is represented as mean ± SE (n = 3). Significant differences between the values in the same column for each solvent are indicated by different letters a–d (P < 0.05)