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The constitution of oligomeric benzofuranoids
(University of the Free State, 1999-05)
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 ...
'n Ondersoek na die antibakteriese eienskappe van Carpobrotus edulis L.
(University of the Free State, 1999-11)
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 ...
Structure and synthesis of flavan oligomers from Cassia petersiana
(University of the Free State, 1999-04)
English: The bark of Cassia petersiana afforded the known flavan-f-ols (+)-catechin, (-)- epicatechin, (+)-gallocatechin and epigallocatechin which co-occured with three new procassinidins namely cassiaflavan-( ...
Synthesis of isoflavonoid-neoflavonoid oligomers
(University of the Free State, 1999-08)
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 ...