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Paeoveitols A–E (1–5), involving three monoterpenes and two benzofuran constituents, were isolated from Paeonia veitchii. Their structures were determined based on extensive spectral analyses (IR, UV, MS, 1D and 2D NMR), and the absolute configuration of compound 1 was confirmed by sin...
Fitoterapia 106:e1 (2015)
New Zealand propolis is a “European” type propolis obtained by honey bees mainly from exudates of poplar. European type propolis is known to have anti-inflammatory and anti-cancer properties and this activity has been attributed to some of the main constituents such as chrysin and CAPE...
The proazulene matricine (1) is present in chamomile flower heads and has been proven to exhibit strong in vivo anti-inflammatory activity. In contrast to other secondary metabolites in chamomile preparations like its degradation product chamazulene (2), no plausible targets have been ...
Zamioculcas zamiifolia, an unusually drought resistant medicinal plant native to tropical east Africa and subtropical southeast Africa, including the countries Kenya, Malawi, Mozambique, South-Africa, Tanzania and Zimbabwe, is described as a living fossil which may have evolved as earl...
Two new salicin derivatives, saliglandin (1) and 6′-O-(Z)-p-coumaroylsalicin (2), along with fourteen known analogues (3–16) were isolated from the twigs of Salix glandulosa Seemen. The structures of 1–16 were characterized by the use of NMR methods (1H and 13C NMR, 1H-1H COSY, HSQC an...
Wormwoods (Artemisia species) from the génépi group are, along with Edelweiss, iconic plants of the Alpine region and true symbols of inaccessibility because of their rarity and their habitat, largely limited to moraines of glaciers and rock crevices. Infusions and liqueurs prepared fr...
Naphthylisoquinolines are a group of structurally diverse secondary metabolites, consisting of naphthalene and isoquinoline moieties. Naturally occurring naphthylisoquinolines have so far been found only in the small palaeotropic families Dioncophyllaceae and Ancistrocladaceae. They ha...
Two new triterpenes (1 and 2) and two new triterpene glycosides (3 and 4), along with six known triterpenes (5–10) were isolated from the leaves of Ilex latifolia. The structures of new compounds were elucidated on the basis of NMR, HR-MS, and X-ray diffraction analysis. Compounds 4 an...
Ginkgolide B, one of the important components of Ginkgo biloba extracts, has been revealed to exhibit great potential in therapy of cerebrovascular diseases. However the lack of permeability greatly limited it from further clinical application. Based on the prediction model for blood b...