English: Pterocarpans, representing the second largest group of natural isoflavonoids, have received considerable interest on account of their medicinal properties over the last few years. These phytoalexins not only ...

English: Berchemia zeyheri is known for its unique red heartwood, a property that was probably responsible for the first phytochemical investigation into the flavonoid content of this tree. The heartwood contains a unique ...

Abstract not available

English: The in vitro studies of biologically active flavonoids are hampered by the inaccessibility of all monomeric units in enantiomerically pure form. Although a number of these scalemic flavonoids can be obtained ...

English: The profisetinidins are an important class of condensed tannins, or proanthocyanidins. Historically, studies towards the structure and conformation of proanthocyanidins were done on their peracetate and permethyl ...

English: The phenolic content of the heartwood of Peltophorum africanum (African wattle) and Burkea africanum (Red syringa) proved to contain a variety of compounds including the novel 4-arylflavan-3-ol lactones, ...

English: In the folk medicine of South Africa, many traditional medicinal plants are used by both the rural and a small percentage of the city population. One of these plants is Carpobrotus edulis L. An investigation of ...

English: The previous investigation, by Fourie in the 1970's, revealed the presence of phenolic compounds in the heartwood of Knobwood (Acacia nigrescens), comprising a series of leucomelacacinidins. Early suggestions that ...

English:A recent phytochemical study on the heartwood of the Purplewood Dalbergia (Dalbergianitidula) in our laboratories led to the isolation of the first pterocarpan-neoflavonoid dimers, Daljanelins A-C, and an ...

Afrikaans: Hierdie studie behels die struktuurondersoek, omskakelingsreaksies en pogings tot sintese van sommige van die mono- en biflavonoïede uit die kernhout van Berchernia zeyheri met 'n aanvullende studie op die ...