2,3-去氢松脂烷A是一种能够促进长寿和抑制聚集的化合物。
Silymarin or silybin has been effectively used for treating liver diseases and acute liver injury partly due to its antioxidant activity. In this study, 2,3-dehydrosilymarin, a compound exhibiting remarkable antiradical/antioxidant activity, was prepared from silymarin for the first time. The solubility, radical scavenging capacity and liver protecting activity of 2,3-dehydrosilymarin were studied and compared with silybin, dehydrosilybin and silymarin.
The structures of its main components were verified by ultra-performance liquid chromatography/mass spectrometry (UPLC-MS) and other spectral analysis. In addition, a rapid screening method, online high-performance liquid chromatography/1,1-dipheny1-2-picrylhydrazyl (HPLC-DPPH) system, was developed for identifying the individual antioxidants in 2,3-dehydrosilymarin.
Both in-vitro and in-vivo results markedly proved that dehydrosilymarin has decent aqueous solubility and remarkable antiradical/antioxidation capacity. Moreover, 2,3-dehydrosilybin and 2,3-dehydrosilychristin were identified to be the two major active compounds contained in 2,3-dehydrosilymarin.
Our results suggest that 2,3-dehydrosilymarin may be a promising and potent alternative for inhibition of free radical and prevention of oxidation.
水飞蓟素或水飞蓟素B因其抗氧化活性而被广泛用于治疗肝病和急性肝损伤。本研究首次从水飞蓟素中制备出一种具有显著抗自由基/抗氧化活性的化合物-2,3-去氢水飞蓟素。研究了2,3-去氢水飞蓟素的溶解度、自由基清除能力和保护肝脏的活性,并与水飞蓟素、去氢水飞蓟素和水飞蓟素进行了比较。
通过超高效液相色谱/质谱(UPLC-MS)和其他光谱分析验证了其主要成分的结构。此外,还开发了一种快速筛选方法-在线高效液相色谱/1,1-二苯基-2-三硝基苯肼(HPLC-DPPH)系统,用于鉴定2,3-去氢水飞蓟素中的单个抗氧化剂。
无论是体外还是体内实验结果都明显证明,2,3-去氢水飞蓟素具有良好的水溶性和显著的抗自由基/抗氧化能力。此外,还确定了2,3-去氢水飞蓟素中包含的两种主要活性化合物为2,3-去氢水飞蓟素B和2,3-去氢水飞蓟素基斯汀。
我们的研究结果表明,2,3-去氢水飞蓟素可能是一种有前途且有效的抑制自由基和预防氧化的替代品。