Many developing countries including Cameroon have mortality patterns that reflect high
levels of infectious diseases and the risk of death during pregnancy and childbirth, in …

This review focuses on recent advances in our understanding of the complex biosynthetic
pathways and diverse biological activities of naturally occurring xanthones. The biosynthesis …

Free radicals are highly reactive molecules generated during oxidation reactions which in
turn initiate chain reactions resulting to cellular damage. There is substantial evidence …

In this review, an updated literature survey covering the reports of naturally occurring
xanthones in the period of 2005-2008 is presented. In some 143 studies, the isolation of 264 …

Three new xanthone derivatives, including two first reported containing sulfur as natural
products: sydoxanthone A (1) and sydoxanthone B (2), and 13-O-acetylsydowinin B (3) were …

Background: Natural phenolics are secondary plant metabolites, which can be divided into
several categories with the common structural feature of phenolic hydroxyl. The biological …

Xanthones, as some of the most active components and widely distributed in various herb
medicines, have drawn more and more attention in recent years. So far, 168 species of …

Five new stilbene oligomers, laetevirenol A− E (4− 8), were isolated from Parthenocissus
laetevirens, together with three known stilbene oligomers (2, 3, and 9). The structures of the …

A review on presence of Oleanolic acid in Natural Products Page 1 Natura Proda Medica, (2),
April 2009 64 A review on presence of Oleanolic acid in Natural Products Copyright © Natura …

The twigs of Garcinia hombroniana yielded six compounds: two 17, 14-friedolanostanes
(garcihombronanes K–L, 1–2) and four xanthones (garcihombronones A–D, 3–6) together …