Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, China.
Natural Medicine Institute of Zhejiang YangShengTang Co., Ltd, Hangzhou, Zhejiang, China.
Nat Prod Res. 2022 Jul;36(14):3520-3528. doi: 10.1080/14786419.2020.1865955. Epub 2020 Dec 28.
Plants of the genus contain various types of secondary metabolites that exhibited extensive biological activities. In the ongoing efforts to discover natural neuroinflammatory inhibitors with the potential to develop into therapeutic agents for neurodegenerative diseases, two new benzophenone glycosides, hyperewalones A and B ( and ), along with eight known compounds (), were isolated from the aerial parts of . Their structures were elucidated by comprehensive analysis of IR, HRESIMS, 1D and 2D NMR spectra, and chemical derivatization. The anti-neuroinflammatory activity of compounds - was evaluated by determining their ability to inhibit the production of nitric oxide (NO) in lipopolysaccharide (LPS)-activated BV-2 microglial cells. Compounds , , - exhibited significant anti-neuroinflammatory activity with IC values of 0.61-4.90 μM. These findings suggest that the benzophenone, ionone, and flavonoid glycosides isolated from are promising anti-neuroinflammatory compounds worthy of further investigations.
包含多种类型的次生代谢产物,具有广泛的生物活性。在发现具有成为神经退行性疾病治疗药物潜力的天然神经炎症抑制剂的持续努力中,从 的地上部分分离得到了两个新的苯并二酮糖苷,hyperewalones A 和 B(和),以及 8 个已知化合物()。通过综合分析 IR、HRESIMS、1D 和 2D NMR 光谱以及化学衍生化,阐明了它们的结构。通过测定它们抑制脂多糖(LPS)激活的 BV-2 小胶质细胞中一氧化氮(NO)产生的能力,评估了化合物-的抗神经炎症活性。化合物、、-表现出显著的抗神经炎症活性,IC 值为 0.61-4.90 μM。这些发现表明,从 中分离得到的苯并二酮、紫罗兰酮和类黄酮糖苷是有前途的抗神经炎症化合物,值得进一步研究。