Journal of Tropical Oceanography >
The identification of glycosides from the fruit of mangrove Sonneratia apetala and investigation of their anti-aging activity in Caenorhabditis elegans
Copy editor: LIN Qiang
Received date: 2024-08-02
Revised date: 2024-10-25
Online published: 2024-10-31
Supported by
National Natural Science Foundation of China(42466005)
The Development Program of High-level Talent Team under the Qihuang Project of Guangxi University of Chinese Medicine(202404)
Guangxi University of Chinese Medicine “Guipai Traditional Chinese Medicine Inheritance and Innovation Team” Project(2022A007)
Guangxi University of Chinese Medicine “Guipai Traditional Chinese Medicine Inheritance and Innovation Team” Project(2022B005)
High-level Talent of Guangxi Traditional Chinese Medicine(2022C008)
General Project of Guangxi University of Chinese Medicine for the Construction of First-Class Disciplines in Guangxi(2018XK044)
In order to obtain compounds with anti-aging activity in the fruit of Sonneratia apetala, the chemical constituents of n-butanol alcohol extract were separated and their bioactivities were studied. Compounds were isolated and purified by reverse silica column, gel chromatography and high pressure liquid chromatography. The structure of compounds was identified by modern spectral analysis and literature comparison. The anti-aging activity of compounds in Caenorhabditis elegans was investigated using the lifespan, heat stress, pharyngeal pumping capacity, body bending ability and lipofuscin as the indicators. Molecular docking was used in predicting the interaction mode of compounds with protein DAF-16. Five compounds were isolated from the n-butanol alcohol extract for the first time, identified as 1, 2, 3, 6-tetra-O-galloyl -β-D-glucopyranose (1), hovetrichoside C (2), (6R, 9S)-3-oxo-α-ionol-β-D-glucoside (3), kaempferol-3-O-β-D glucoside (4), and 3-methylbutyl β-D-glucopyranoside (5). Compounds 2, 4 and 5 showed an anti-aging activity at 100 μmol·L-1 concentration significantly, extended the lifespan of C. elegans in normal culture by 15.9%, 15.0% and 22.1% respectively, and significantly prolonged the lifespan under heat stress by 36.3%, 50.6% and 46.3% respectively. They improved the frequency of pharyngeal pumping and the ability of body bending, and reduced the lipofuscin accumulated. Molecular docking showed that compounds 2, 4 and 5 could stably bind to the amino acids of protein DAF-16. The binding energy was -6.6, -6.0 and -4.6 kcal·moL-1, respectively. This study enriched the material basis of anti-aging activity and provided a basis for the development and utilization of the Sonneratia apetala fruit.
LIU Jianyun , XIA Jialang , BAI Meng , LI Yueyao , WEI Jinhua , LIU Kai , GAO Chenghai , YI Xiangxi . The identification of glycosides from the fruit of mangrove Sonneratia apetala and investigation of their anti-aging activity in Caenorhabditis elegans[J]. Journal of Tropical Oceanography, 2025 , 44(3) : 148 -156 . DOI: 10.11978/2024150
表1 化合物对秀丽隐杆线虫寿命的影响(n=60)Tab. 1 Lifespan-extending effects of compounds on C. elegans (n=60) |
| 药物分组 | 药物浓度/(μmol·L-1) | 寿命/d | 延长比例/% | ||
|---|---|---|---|---|---|
| 平均数 | 最大寿命 | P | |||
| 对照组 | — | 9.897±0.546 | 19 | — | — |
| 阳性药 | 100 | 12.246±0.632** | 23 | 0.005 | 23.9 |
| 1 | 100 | 9.417±0.604 | 21 | 0.790 | — |
| 2 | 100 | 11.474±0.773* | 25 | 0.016 | 15.9 |
| 3 | 100 | 10.689±0.668 | 22 | 0.154 | 8.0 |
| 4 | 100 | 11.383±0.676* | 23 | 0.041 | 15.0 |
| 5 | 100 | 12.085±0.909** | 26 | 0.004 | 22.1 |
注: *表示显著相关(P<0.05), **表示极显著相关(P<0.01), ***表示极其显著相关(P<0.001)。 |
表2 化合物对37℃应激条件下秀丽隐杆线虫寿命的影响(n=60)Tab. 2 Lifespan-extending effects of compounds on C. elegans under stress at 37℃ (n=60) |
| 药物分组 | 药物浓度/(μmol·L-1) | 寿命/h | 延长比例/% | ||
|---|---|---|---|---|---|
| 平均数 | 最大寿命 | P | |||
| 对照组 | — | 12.660±0.825 | 21 | — | — |
| 阳性药 | 100 | 21.140±0.732*** | 29 | <0.001 | 70.0 |
| 2 | 100 | 17.260±0.738*** | 27 | <0.001 | 36.3 |
| 4 | 100 | 19.071±0.799*** | 28 | <0.001 | 50.6 |
| 5 | 100 | 18.520±0.974*** | 30 | <0.001 | 46.3 |
注: *表示显著相关(P<0.05), **表示极显著相关(P<0.01), ***表示极其显著相关(P<0.001)。 |
图2 化合物对线虫咽泵能力的影响(n=10)*表示显著相关(P<0.05), **表示极显著相关(P<0.01), ***表示极其显著相关(P<0.001) Fig. 2 Effects of compounds on pharyngeal pumping capacity in C. elegans (n=10) |
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