A new phytoecdysteroid from the stem bark of Vitex cienkowskii

A new phytoecdysteroid from the stem bark of Vitex cienkowskii

To investigate differences in the metabolome of the stem bark of Vitex cienkowskii harvested at three different locations and three different seasons, their extracts were analyzed by means of UPLC–ESI–IMS–TOF MS e . One marker metabolite was isolated and chemically characterized, which was identifie...

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Veröffentlicht in:European food research & technology 2020-12, Vol.246 (12), p.2485-2491
Hauptverfasser: Stark, Timo D., Rami, Julius, Fröhlich, Sonja, Weiss, Patrick, Vierling, Wolfgang, Dongmo, Alain B., Hofmann, Thomas
Format: Artikel
Sprache:eng
Schlagworte:
Agriculture
Analytical Chemistry
Bark
Biotechnology
Chemistry
Chemistry and Materials Science
Chromatography
Food Science
Forestry
Metabolites
NMR
Nuclear magnetic resonance
Original Paper
Parameter identification
Principal components analysis
Scientific imaging
Seasons
Stems
Vitex
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Beschreibung
Zusammenfassung:To investigate differences in the metabolome of the stem bark of Vitex cienkowskii harvested at three different locations and three different seasons, their extracts were analyzed by means of UPLC–ESI–IMS–TOF MS e . One marker metabolite was isolated and chemically characterized, which was identified as the new compound 20,24-dihydroxy,24-hydroxymethylecdysone ( 1 ). IMS showed two drift time species for 1 which could be used as new and additional characteristic compound parameters in compound identification to reduce dereplication and false positives.
ISSN:1438-2377
1438-2385
DOI:10.1007/s00217-020-03591-z