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. 2020 Jan 22;9(2):142. doi: 10.3390/plants9020142

Table 3.

Quantitative profile (mg/gdry extract) of the main phenolic compounds present in extracts prepared from aerial vegetative organs and fruits of sea rocket (Cakile maritima).

Fruits Aerial Organs
Compounds * Assigned Identification Water Ethanol Acetone Water Ethanol Acetone
Flavonoids
11 Quercetin-di-Hex-dHex 1.42 ± 0.06 a 1.20 ± 0.06 b 0.16 ± 0.01 d 1.05 ± 0.05 c 1.25 ± 0.07 b 0.12 ± 0.008 d
12 Quercetin-Hex-dHex 1.30 ± 0.07 b 1.05 ± 0.06 c 0.43 ± 0.03 e 0.86 ± 0.04 d 1.56 ± 0.08 a 0.48 ± 0.03 e
13 Kaempferol-Hex-Rut 1.14 ± 0.06 c 0.95 ± 0.04 cd 0.26 ± 0.01 e 2.80 ± 0.10 b 4.20 ± 0.30 a 0.70 ± 0.04 d
14 Kaempferol-dHex-Hex 0.73 ± 0.04 d 0.49 ± 0.03 de 0.29 ± 0.02 e 1.80 ± 0.10 b 3.60 ± 0.20 a 1.50 ± 0.10 c
16 Kaempferol-Hex nd nd nd 0.11 ± 0.01 nd nd
18 Quercetin-Rut 0.18 ± 0.01 0.06 ± 0.00 nd nd nd nd
21 Quercetin-dHex 0.15 ± 0.01 a 0.11 ± 0.01 b 0.05 ± 0.00 c 0.04 ± 0.00 c 0.11 ± 0.01 b 0.02 ± 0.00 c
24 Kaempferol-Rut 0.13 ± 0.01 d 0.03 ± 0.00 e 0.0029 ± 0.0002 e 0.85 ± 0.04 a 0.23 ± 0.01 c 0.54 ± 0.03 b
25 Kaempferol-dHex 0.091 ± 0.005 cd 0.081 ± 0.003 d 0.08 ± 0.00 d 0.12 ± 0.01 c 0.37 ± 0.02 a 0.23 ± 0.01 b
26 Isorhamnetin-dHex --- --- 0.04 ± 0.00 --- --- ---
Total 5.10 ± 0.10 c 4.00 ± 0.10 d 1.28 ± 0.04 e 7.6 ± 0.2 b 11.3 ± 0.4 a 3.6 ± 0.1 d
Others
20 Oleuropein 0.26 ± 0.01 0.27 ± 0.01 nd nd nd nd
22 Disinapoyl-Hex 0.12 ± 0.01 c 0.15 ± 0.01 bc nd 0.26 ± 0.02 a 0.17 ± 0.01 b 0.17 ± 0.01 b
Total 0.38 ± 0.01 b 0.42 ± 0.01 a nd 0.26 ± 0.02 c 0.17 ± 0.01 d 0.17 ± 0.01 d
TIPC 5.48 ± 0.1 c 4.42 ± 0.10 d 1.28 ± 0.04 f 7.92 ± 0.2 b 11.5 ± 0.4 a 3.94 ± 0.11 e

* Compounds refer to those presented in Table 1 and Figure 1. TIPC: Total individual phenolic content (the sum of all phenolics individually quantified). For the same row, different letters are significantly different (Multiple Comparisons of Means: Tukey Contrast, 95% family-wise confidence level).