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Abstract
Two new alkaloids named Melongenamides H-I (1–2), together with twenty-one known compounds (3–23), were isolated from the 70% ethanol extract of the sepals of Solanum melongena L. The structures of all isolated compounds were determined by 1D and 2D NMR spectra and by comparing their spectroscopic and physical data with values from the published literatures. All the isolated compounds were evaluated the cytotoxicity against three human canner lines (Hela, Ishikawa and MGC-803) by CCK8 assay.
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Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Funding
This work was financially supported by National Natural Science Foundation of China (NSFC) (81773883 and 81903781), China Postdoctoral Science Foundation (2018M631978), Excellent Youth Project of Heilongjiang Natural Science Foundation (YQ2019H029) and Heilongjiang Postdoctoral Science Foundation (LBH-Z18245), Heilongjiang university of Chinese medicine Founds (2018pt01 and 2018bs03).