Research Institute for Bioscience and Biotechnology, RIBB, GPO Box 7731, Kathmandu, Nepal.
Research Institute for Bioscience and Biotechnology (RIBB), GPO Box 7731, Kathmandu, Nepal.
Z Naturforsch C J Biosci. 2018 Feb 23;73(3-4):161-163. doi: 10.1515/znc-2017-0105.
Two compounds, compounds 1 and 2, were isolated from Preussia sp. The molecular structures of both compounds were elucidated by analyzing one-dimensional (1D) and 2D nuclear magnetic resonance data along with high-resolution mass spectrometry data. Compound 1 was obtained as novel in structure, and compound 2 was recently reported elsewhere. Compound 1 did not show antioxidant and antimicrobial activities and brine shrimp toxicity, while compound 2 showed strong antioxidant activity (DPPH reduction capacity; IC50=3 μg/mL) and brine shrimp toxicity (LD50=50 μg/mL).
从 Preussia sp. 中分离得到两个化合物，化合物 1 和 2。通过分析一维（1D）和二维（2D）核磁共振数据以及高分辨率质谱数据，确定了这两个化合物的分子结构。化合物 1 的结构新颖，化合物 2 则是最近在其他地方报道过的。化合物 1 没有表现出抗氧化和抗菌活性以及卤虫毒性，而化合物 2 则表现出很强的抗氧化活性（DPPH 还原能力；IC50=3 μg/mL）和卤虫毒性（LD50=50 μg/mL）。
