Chemistry and Industry of Forest Products ›› 2023, Vol. 43 ›› Issue (3): 9-15.doi: 10.3969/j.issn.0253-2417.2023.03.002
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Fengcheng HU1,2, Rui HAN1, Cong GUO1, Jiangjiang TANG1,2, Jinming GAO1,2,*()
Received:
2022-06-15
Online:
2023-06-28
Published:
2023-06-27
Contact:
Jinming GAO
E-mail:jinminggao@nwsuaf.edu.cn
CLC Number:
Fengcheng HU, Rui HAN, Cong GUO, Jiangjiang TANG, Jinming GAO. Chemical Constituents of the Leaves of Eucommia ulmoides and Its Neuroprotective Activity[J]. Chemistry and Industry of Forest Products, 2023, 43(3): 9-15.
Table 1
1H NMR and 13C NMR signal of compound 1(DMSO-d6)"
序号No. | δC | δH |
1 | 174.9(COOH) | |
2 | 34.2(CH2) | 2.19(m) |
3 | 25.1(CH2) | 1.47(m) |
1.22(m) | ||
4 | 29.0(CH2) | 1.25-1.31(m) |
5 | 29.1(CH2) | 1.25-1.31(m) |
6 | 28.9(CH2) | 1.25-1.31(m) |
7 | 29.6(CH2) | 1.25-1.31(m) |
8 | 27.6(CH2) | 2.11(m); 1.96(m) |
9 | 131.5(CH) | 5.33(d, J=5.54) |
10 | 128.8(CH) | 5.96(t, J=10.73) |
11 | 71.0(CH) | 4.01(m) |
12 | 137.8(CH) | 5.64(dd, J=5.52, 14.96) |
13 | 124.5(CH) | 6.42(t, J=14.05) |
14 | 35.8(CH2) | 2.17(m) |
15 | 125.8(CH) | 5.38(d, J=6.57) |
16 | 132.9(CH) | 5.40(d, J=7.84) |
17 | 20.7(CH2) | 1.97(m) |
18 | 14.5(CH3) | 0.90(t, J=7.18) |
11-OH | 11.96(s) |
Table 2
Determination of neuroprotective activities of compounds 1-13"
化合物compound | NO | PC-12细胞存活率/%cell viability of PC-12 | |
IC50/(μmol·L-1) | 抑制率(20 μmol·L-1)/%inhibitory rate | ||
1 | 13.7±0.7 | 71.7±1.4 | 79.0±3.0 |
2 | 18.4±0.1 | 67.1±0.6 | 85.0±9.0 |
3 | 15.2±0.5 | 78.5±0.06 | 80.5±11.5 |
4 | 10.8±0.9 | 73.0±2.5 | 52.2±1.2 |
5 | 9.7±1.1 | 78.3±1.7 | 86.5±0.5 |
6 | 18.9±0.4 | 62.5±1.0 | 60.6±0.8 |
7 | >20 | 7.1±0.65 | 43.2±1.2 |
8 | >20 | 47.1±0.9 | 54.0±5.7 |
9 | 17.4±0.4 | 66.7±0.9 | 79.0±0.2 |
10 | 10.7±0.3 | 81.5±0.8 | 77.0±0.1 |
11 | 16.1±0.8 | 71.1±0.5 | 83.5±2.5 |
12 | 19.5±0.8 | 57.7±0.5 | 69.0±1.1 |
13 | 17.8±0.6 | 61.1±1.0 | 69.0±1.0 |
橙皮苷hesperidin | 77.0±1.2 |
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