Enterolacaciamine (1), a new potential O-GlcNAcase activator, along with three known triterpenoid saponins, concinnoside B (2), concinnoside D (3), and julibroside A3 (4) was isolated from the leaves of Enterolobium cyclocarpum. Their structures were elucidated by chemical and spectroscopic methods (UV, MS, 1D and 2D NMR). Their effects on O-GlcNAcase activity were evaluated using O-GlcNAcase enzymatic assay. The results showed that compound 1 could obviously enhance the activity of O-GlcNAcase.
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| http://dx.doi.org/10.1016/j.fitote.2015.06.008 | DOI Listing |
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