Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
2538460 | Fitoterapia | 2014 | 8 Pages |
Abstract
A pair of diastereoisomers, the N-glycosylated derivatives of dioxindole-3-hydroxy-3-acetic acid 1–2, and their conjugates with flavonoids 3–8, was isolated from the seeds of Ziziphus jujuba var. spinosa. Their structures were elucidated by NMR spectroscopic analyses, and the absolute configurations were determined by circular dichroism method. Compounds 3–10 were evaluated for the antioxidant capacity, using the radical absorbance capacity (ORAC) assay.
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Authors
Min Li, Yu Wang, Bun Tsoi, Xiao-jie Jin, Rong-Rong He, Xiao-jun Yao, Yi Dai, Hiroshi Kurihara, Xin-Sheng Yao,