One new phenolic compound, sapnol A (1), and two new aromatic sophorosides, named saposides A (2) and B (3) were isolated from sugar maple sap. In addition, seven known phenolic compounds 4-10 were isolated. These structures were determined on the basis of NMR experiments as well as chemical evidence. Furthermore, all the isolated compounds 1-10 were tested for antioxidative activity by the superoxide dismutase (SOD)-like assay.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6270318 | PMC |
| http://dx.doi.org/10.3390/molecules18089641 | DOI Listing |
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