Plant saponins are widely distributed amongst plants and have a wide range of biological
properties. The more recent investigations and findings into their biological activities were …

Saponins are a structurally diverse class of compounds occurring in many plant species,
which are characterized by a skeleton derived of the 30-carbon precursor oxidosqualene to …

Naturally occurring new triterpenoid saponins reported from mid‐1996 to March, 2007 are
reviewed including their physical constants and plant sources, and are compiled in Table 1 …

Triterpenoid saponins from the Caryophyllaceae family are reviewed with special emphasis
on recent developments in purification and structural elucidation aspects. Structural …

Three glycosides were isolated from Bougainvillea glabra and their structures were
determined by extensive use of 1D and 2D NMR spectroscopy (1H and 13C). Compound 1 …

There has been continued interest in the biological activity of triterpenoids and triterpenoid
saponins. Reviews concentrating on various topics such as sweetness, 1 anti-HIV agents2 …

Helicobacter pylori is a widespread colonizer of the human gastric mucosa and considered
the main etiological agent behind gastric malignancies, namely chronic gastritis, peptic …

Triterpenes and steroids constitute ubiquitous classes of compounds in nature, occurring in
plants and in all major groups of organisms from fungi to humans. Moreover, both natural …

The aim of this paper is to present a procedure that utilizes 13C NMR for identification of
substituent groups which are bonded to carbon skeletons of natural products. For so much …

Leucanthoside A, a new allose‐containing triterpenoid saponin (1), was isolated from the
aerial parts of Cephalaria leucantha L. Its structure was determined by electrospray …