Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 362499
Title Iridoids from Pentas lanceolata (Forssk.) Deflers
Author(s) Schripsema, J.; Caprini, C.P.; Heijden, R. van der; Bino, R.J.; Vos, C.H. de; Dagnino, D.
Source Journal of Natural Products 70 (2007)9. - ISSN 0163-3864 - p. 1495 - 1498.
Department(s) Laboratory of Plant Physiology
PRI Management
PRI Bioscience
Publication type Refereed Article in a scientific journal
Publication year 2007
Keyword(s) chemical-constituents - rubiaceae - longiflora - glycosides - rubioideae - phylogeny - leaves - roots
Abstract From the aerial parts of Pentas lanceolata, belonging to the family Rubiaceae, a series of iridoid glucosides was isolated by preparative HPLC. Seven iridoid glucosides were identified. Besides asperuloside and asperulosidic acid, characteristic iridoids for Rubiaceae, five new iridoids were isolated, namely, tudoside (1), 13R-epi-gaertneroside (2), 13R-epi-epoxygaertneroside (3), and a mixture of E-uenfoside (4) and Z-uenfoside (5). Further, it was shown that the compound reported as citrifolinin B (6) is in fact the same as tudoside and should be revised. Also, the configuration of the previously reported iridoids gaertneroside and epoxygaertneroside has been elucidated.
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