Background: Hyperatomarin is an acylphloroglucinol isolated from H. annulatum Moris
subsp. annulatum, a species endemic for Sardinia and the Balkan Peninsula. Preliminary …

The cytotoxic effects of hyperatomarin–a prenylated phloroglucinol isolated from Hypericum
annulatum Moris subsp. annulatum were assessed in a broad spectrum of tumor cell lines …

Three new prenyloxy chromanone derivatives, aucherine AC (6, 7 and 9) as well as six
known prenylated phloroglucinols (1–5 and 8) were isolated from the aerial parts of …

A phytochemical investigation of the aerial parts of Hypericum annulatum Moris led to the
isolation of five new prenylated acylphloroglucinol derivatives hyperannulatins AE (1–3, 5 …

Three acylphloroglucinol derivatives have been isolated from the hexane and acetone
extracts of the aerial parts of Hypericum densiflorum Pursch. The compounds were …

The genus Hypericum L.(Hypericaceae) includes more than 480 species that are found in
every continent of the world, except Antarctica [1]. Hypericum annulatum Moris is a perennial …

Two new bicyclic acylphloroglucinol derivatives, hypercalyxone A (1-[5, 7-dihydroxy-2-
methyl-3-(3-methyl-but-2-enyl)-2-(4-methyl-pent-3-enyl)-chroman-8-yl]-2-methyl-propan-1 …

Hypericum riparium A. Chev. is a Cameroonian medicinal plant belonging to the family
Guttiferae. Chemical investigation of the methanol extract of the stem bark of H. riparium led …

A large number of plants are known to possess strong antitumor properties. Previous studies
have verified the antiproliferative activity of the extracts and fractions from six species of …

Hyperforin (HP) is an abundant component of St John's wort with antibiotic and
antidepressive activity. We report here the ability of HP and that of polyphenolic procyanidin …