Effects of Cadmium on Phenolic Composition and Antioxidant Activities of Erica andevalensis
Table 1
Concentration of individual phenolic compounds identified by HPLC in E. andevalensis plants exposed to cadmium treatmentsa.
Compound
Treatments control
T1
T2
T3
T4
Phenolic acids
Cinnamic acid derivate
4.80 ± 2.05
17.48 ± 3.12b***
13.03 ± 2.51***
14.92 ± 4.17***
8.08 ± 5.27
m-Coumaric acid derivate
56.37 ± 5.20
57.47 ± 5.82
74.08 ± 3.81***
61.45 ± 15.99
86.10 ± 12.08***
p-Coumaric acid derivate
488.10 ± 16.90
518.98 ± 58.96
543.69 ± 36.62*
510.42 ± 60.65
527.23 ± 78.41
Flavonoids
Epicatechin
187.21 ± 11.10
154.38 ± 43.48
188.43 ± 4.37
340.32 ± 70.33***
195.8 ± 52.69
Rutin
2145.95 ± 108.27
2362.49 ± 204.20*
2203.64 ± 45.19
2839.56 ± 203.73***
2359.39 ± 419.8
Rutin derivate 1
83.04 ± 21.83
79.83 ± 13.06
91.98 ± 3.92
113.82 ± 4.55**
82.15 ± 17.49
Rutin derívate 2
182.50 ± 32.98
183.19 ± 2.45
159.78 ± 17.28
193.14 ± 23.9
181.86 ± 34.49
aResults are the mean (±SD) of two replicates of three different samples. All data are expressed as μg g−1 F.W.
bAsterisks show the significant differences between treated plants (T1, T2, T3, and T4) and control plants (Control) at the significance levels of (*), (**), and (***).
