期刊
FITOTERAPIA
卷 143, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.fitote.2020.104551
关键词
Stephania tetrandra; Aporphine alkaloid; Phenanthrene alkaloid; Antioxidant activity
资金
- Chinese Academy of Medical Sciences (CAMS) Initiative for Innovative Medicine [CAMS-12M-1-010]
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines [GTZA201803]
- Drug Innovation Major Project [2018ZX09711001-008-009]
Five new alkaloids (1-5), including three new aporphine alkaloids and two new phenanthrene alkaloids, together with 10 known compounds (6-15) were obtained from the roots of Stephania tetrandra. Their structures were elucidated by spectroscopic methods, single-crystal X-ray diffraction, and electronic circular dichroism analyses. Compounds 7-10, and 13 showed antioxidant activities with malondialdehyde (MDA) inhibitory rates of 62.50 +/- 1.91 to 98.44 +/- 0.34% at the concentration of 10 mu M.
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