Anacardic acids and (E)-2-hexenal characterized from the cashew Anacardium
occidentale L. (Anacardiaceae) apple have been found to exhibit antibacteri
al activity against the Gram-negative bacterium Helicobacter pylori, which
is now considered to cause acute gastritis. The same antibacterial compound
s have also been found to inhibit urease (EC 3.5.1.5).