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Molecules. 2013 Aug 12;18(8):9641-9. doi: 10.3390/molecules18089641.

Phenylpropanoid, sapnol A, lignan and neolignan sophorosides, saposides A and B, isolated from Canadian sugar maple sap.

Author information

1
Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514, Japan. yosikawa@ph.bunri-u.ac.jp

Abstract

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.

PMID:
23941883
PMCID:
PMC6270318
DOI:
10.3390/molecules18089641
[Indexed for MEDLINE]
Free PMC Article

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