Eugenol is a hydroxyphenyl propene, naturally occurring in the essential oils of several
plants belonging to the Lamiaceae, Lauraceae, Myrtaceae, and Myristicaceae families. It is …

Berberine, an isoquinoline alkaloid isolated from the Chinese herb Coptis chinensis and
other Berberis plants, has a wide range of pharmacological properties. Berberine can be …

Licorice is the most used crude drug in Kampo medicines (traditional Chinese medicines
modified in Japan). The extract of the medicinal plant is also used as the basis of anti-ulcer …

In nature, chiral natural products are usually produced in optically pure form—however,
occasionally both enantiomers are formed. These enantiomeric natural products can arise …

This study examined the ability of methyl gallate (MG) and gallic acid (GA), the main
compounds of gallo-tannins in Galla Rhois, to inhibit the proliferation of oral bacterial and …

Purpose of the study Outbreaks of multidrug-resistant bacteria are increasingly reported at
the clinical setting. The antimicrobial, anti-biofilm, anti-quorum sensing, and anti-oxidant …

Infection by Helicobacter pylori has been ascertained to be an important etiologic impetus
leading usually to chronic active gastritis and gastric ulcer with growing incidences …

Widely distributed in plants, glycosides comprise a large group of secondary metabolites.
Gycosides are structurally diverse and given their proven bioactivities and traditional use …

More than 50% of the world population is infected with Helicobacter pylori (H. pylori). The
bacterium highly links to peptic ulcer diseases and duodenal ulcer, which was classified as …

Acetylcholinesterase (AChE) inhibitory activity− guided fractionation of Angelica gigas led to
isolation and identification of a new coumarin, peucedanone (12), and isolation of 11 known …