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Article Dans Une Revue Natural Product Research Année : 2019

Four lignans from Portulaca oleracea L. and its antioxidant activities

Résumé

A new lignan, named oleralignan (1) and three known compounds (+)-syringaresinol (2), (+)-lirioresinol A (3) and monomethyl 3,30,4,40-tetrahydroxy-δ-truxinate (4) were isolated from the P. oleracea for the first time. The compound (1) were identified by 1D, 2D NMR spectroscopic methods and high resolution electrospray ionization time-of-flight mass spectrometry. In addition, it was found that the four lignans presented the scavenging activities in 1,1-diphenyl-2-picryl-hydrazyl (DPPH) radical quenching assay more than that of hydroxyl anisole (BHA).
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Dates et versions

hal-02331915 , version 1 (24-10-2019)

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Yifei Ma, Yongrui Bao, Wenjie Zhang, Xixiang Ying, Didier Stien. Four lignans from Portulaca oleracea L. and its antioxidant activities. Natural Product Research, 2019, pp.1-7. ⟨10.1080/14786419.2018.1534852⟩. ⟨hal-02331915⟩
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