Erigeron annuus Protects PC12 Neuronal Cells from Oxidative Stress Induced by ROS-Mediated Apoptosis
Table 2
Phenolic compounds contents of EAA and EAF analyzed by HPLC (n = 3).
Number
Phenolic compounds
Contents (mg/g dried weight)
EAAa
EAFb
1
Homogentisic acid
53.75 ± 1.51a
48.42 ± 4.15a
2
Gallic acid
N.D.c
N.D.
3
Protocatechnic acid
0.73 ± 0.01e
0.62 ± 0.00d
4
Chlorogenic acid
2.02 ± 0.02c
0.98 ± 0.01d
5
(+)-Catechin
2.09 ± 0.26c
0.69 ± 0.02d
6
Caffeic acid
0.64 ± 0.01e
0.92 ± 0.02d
7
Phloretic acid
N.D.
N.D.
8
p-Coumaric acid
0.61 ± 0.02e
0.90 ± 0.02d
9
Ferulic acid
N.D.
N.D.
10
Veratric acid
N.D.
0.85 ± 0.03d
11
Salicylic acid
3.63 ± 0.18b
21.40 ± 1.48b
12
Naringin
1.74 ± 0.07cd
0.74 ± 0.03d
13
Hesperidin
1.00 ± 0.03de
2.69 ± 0.21d
14
Quercetin
0.52 ± 0.00e
1.88 ± 0.02d
15
Cinnamic acid
N.D.
0.89 ± 0.07d
16
Naringenin
0.54 ± 0.00e
0.42 ± 0.00d
17
Kaempferol
0.75 ± 0.01e
15.94 ± 1.47c
18
Hesperitin
N.D.
N.D.
Total contents
68.02 ± 1.90
97.21 ± 7.52
aEAA: aerial parts of Erigeron annuus, bEAF: flowers of Erigeron annuus, cN.D.: not detected. All values are means ± SD. Means with different letters on the same line (to analyze EAA and EAF) are significantly different at by Duncan’s test.
