来自迪奥斯科雷亚尼波尼卡根茎的迪亚里尔赫普塔诺伊德糖化物
Qiong-Lin Meng1, Jun Chi1, Yi-Xiao Li1
1Henan University of Chinese Medicine, Henan Collaborative Innovation Center for Research and Development on the Whole Industry Chain of Yu-Yao, Zhengzhou 450046, China; Engineering Technology Research Center for Comprehensive Development and Utilization of Authentic Medicinal Materials in Henan Province, Zhengzhou 450046, China.
Fitoterapia
|June 19, 2024
概括
从Dioscorea nipponica根茎中鉴定出六种新的二甲酸. 一些化合物在细胞测试中显示出显著的氧化 (NO) 抑制,表明潜在的抗炎性质.
科学领域:
- 自然产品化学 自然产品化学
- 药理学是指药理学,即药理学是指药理学.
- 药用化学 医学化学
背景情况:
- 尼波尼克神,一种传统的药用植物,是生物活性化合物的丰富来源.
- 透类肝素是一种具有多种药理作用的天然产品.
- 了解D. nipponica的化学成分和生物活性对于其治疗应用至关重要.
研究的目的:
- 从 Dioscorea nipponica 根茎中分离和描述新型的二甲类植物.
- 为了评估孤立化合物的氧化 (NO) 抑制潜力.
主要方法:
- 使用色谱技术分离化合物.
- 通过全面的光谱分析 (UV,IR,HR-ESI-MS,NMR) 阐明结构.
- 使用电子循环二元化 (ECD) 和光学旋转来确定绝对配置.
- 使用脂聚糖诱导的RAW 264.7细胞进行NO抑制的生物试验.
主要成果:
- 分离了六种新的二二甲化物,二二甲化物A-F (1-6),以及六种已知的二二甲化物 (7-12).
- 通过详细的光谱分析和ECD计算来确认结构.
- 化合物3和11表现出显著的NO抑制,其IC50值分别为14.91 ± 0.62 μM和12.78 ± 1.12 μM.
结论:
- 这项研究成功地发现了Dioscorea nipponica的新型二甲基类.
- 化合物3和11具有显著的氧化抑制活性,表明潜在的抗炎作用.
- 这些发现有助于了解D. nipponica的化学多样性和治疗潜力.
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