Four alkaloids named piperumbellactams A–D (1–4) were isolated from branches of Piper
umbellatum together with known N-hydroxyaristolam II (5), Np-coumaroyl tyramine (6), 4-…

In a preliminary antiprotozoal screening of several Clusiaceae species, the methanolic extracts
of Allanblackia monticola and Symphonia globulifera showed high in vitro leishmanicidal …

A xanthone derivative, named gaboxanthone (1), has been isolated from the seed shells of
Symphonia globulifera, together with known compounds, symphonin (2), globuliferin (3), …

Six new unusual C-4′-prenylated flavonols, dorsilurins F−K (1−6), together with six known
compounds were isolated from the roots of Dorstenia psilurus, and their structures were …

The aim of this study was to determine the in vitro antioxidant activity, free radical scavenging
property and the beneficial effects of extracts of various parts of Syzygium guineense in …

Antibacterial bioassay-guided fractionation of the methanol extract of the stem bark of
Terminalia superba led to the isolation of four new triterpene glucosides (1–4) which were …

Three new prenylated anthranoids, harunmadagascarins C (1) and D (2) and kenganthranol
D (3), together with three known compounds (4−6) were isolated from the leaves of …

Phytochemical investigation of the methanol extract of the twigs of Garcinia staudtii yielded
four new prenylated xanthones, staudtiixanthones A−D (1–4), along with eleven known …

In our continuous search for a-glucosidase inhibitors from plants, four new depsidones
named brevipsidones A—D (1—4) were isolated from stem bark of Garcinia brevipedicellata …

Acute diarrheal diseases caused by food poisoning consitute serious public health problem
in developing countries where they are the leading cause of death. WHO recommends …