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New Chemical Constituents from the Bark of Dendropanax morbifera Leveille and their Evaluation of Antioxidant Activities.


ABSTRACT: Four new constituents, as cis-6-oxogeran-4-enyl-10-oxy-O-?-arabinopyranosyl-4'-O-?-arabinopyranosyl-2''-octadec-9''',12''',15'''-trienoate (1), geran-3(10)-enyl-1-oxy-O-?-arabinopyranosyl-4'-O-?-arabinopyranosyl-2''-octadec-9''',12''',15'''-trienoate (2), geranilan-8-oxy-O-?-d-xylopyranosyl-2'-n-octadec-9'',12'',15''-trienoate (3), 1-cyclohex-2', 5'-dienyl 1-cyclohexylethanol-O-?-d-xylopyranoside (4), along with six known constituents, guaiacol-O-?-d-arabinopyaranoside (5), n-tetradecanyl oleate (6), oleyl-O-?-d-xyloside (7), n-octadec-9,12-dienoyl-O-?-d-arabinopyranoside (8), linolenyl-O-?-d-arabinofuranoside (9) andglyceryl-1,3-dipalmito-2-olein (10), were isolated and identified from the Dendropanax morbifera bark. The new structures were established by one-and two-dimensional NMR (and in combination with IR, FAB-MSand HR-ESI-FTMS. The comparative evaluation of antioxidant potential by phosphomolybdenum, DPPH, FRAP and the NO assay of four different compounds (1-4), we have found that the compounds 1 and 2 have power as a natural antioxidant, whereas the compound 3 and 4 exhibited mild activity in comparison to compounds 1 and 2.

SUBMITTER: Chung IM 

PROVIDER: S-EPMC6865017 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature

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New Chemical Constituents from the Bark of <i>Dendropanax morbifera</i> Leveille and their Evaluation of Antioxidant Activities.

Chung Ill-Min IM   Kim Seung-Hyun SH   Kwon Chang C   Kim So-Yeon SY   Yang Yu-Jin YJ   Kim Ju-Sung JS   Ali Mohd M   Ahmad Ateeque A  

Molecules (Basel, Switzerland) 20191101 21


Four new constituents, as c<i>is</i>-6-oxogeran-4-enyl-10-oxy-<i>O</i>-β-arabinopyranosyl-4'-<i>O</i>-β-arabinopyranosyl-2''-octadec-9''',12''',15'''-trienoate (<b>1</b>), geran-3(10)-enyl-1-oxy-<i>O</i>-β-arabinopyranosyl-4'-<i>O</i>-β-arabinopyranosyl-2''-octadec-9''',12''',15'''-trienoate (<b>2</b>), geranilan-8-oxy-<i>O</i>-<i>α</i>-d-xylopyranosyl-2'-<i>n</i>-octadec-9'',12'',15''-trienoate (<b>3</b>), 1-cyclohex-2', 5'-dienyl 1-cyclohexylethanol-<i>O</i>-β-d-xylopyranoside (<b>4</b>), alon  ...[more]

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