Journal
PHYTOCHEMISTRY
Volume 133, Issue -, Pages 15-25Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.phytochem.2016.10.011
Keywords
Xiphidium caeruleum; Haemodoraceae; Artefacts; Phenylphenalenones; Root cultures
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Funding
- Sino-German (CSC-DAAD) Postdoc Scholarship Program [50015316]
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Phytochemical investigation of root cultures of Xiphidium caeruleum (Haemodoraceae) resulted in the structure elucidation of five previously undescribed phenylphenalenone-type compounds, structure revision of a phenylphenalenone glucoside, and identification of nine additional constituents previously reported from other Haemodoraceae and Musaceae plants. The observed extractant-dependent metabolic profiles indicated that phenylphenalenones had been converted hydrolytically and oxidatively. Stable isotope labeling experiments extended the understanding of the phenylphenalenone pathway in plants and provided evidence for a network of biosynthetic and spontaneous conversions linking phenylphenalenones and their derivatives detected in extracts of cultured roots of this plant. (C) 2016 Elsevier Ltd. All rights reserved.
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