Lichens are among the most widely distributed plants on earth and have the longest growth
cycle. Usnic acid is an abundant characteristic secondary metabolite of lichens and the …

Indomethacin is an indol derivative, non-steroidal, anti-inflammatory drug with anti-
inflammatory, analgesic, and antipyretic effects. Indomethacin became the first-choice drug …

Saffron (Crocus sativus L.) belongs to the Iridaceae family. The stigma of saffron has been
widely used as spice, medicinal plant, and food additive in the Mediterranean and …

Usnea longissima, a medicinal lichen of Anatolia (Turkey), is used in the treatment of gastric
ulcer in local folk medicine. In this paper, the gastroprotective effect of usnic acid (UA) …

The main objective of this research was to appraise the changes in mineral content and
antioxidant attributes of Portulaca oleracea over different growth stages. The antioxidant …

This study investigated the quantitative polyphenolic constituents and gastroprotective
effects of aqueous leaf extracts of Spondias mombin and Ficus exasperata against …

Since its first isolation in 1844, usnic acid [2, 6-diacetyl-7, 9-dihydroxy-8, 9b-dimethyl-1, 3
(2H, 9bH)-dibenzo-furandione] has become the most extensively studied lichen metabolite …

Context: Pharmacological interest of lichens lies in their capacity to produce bioactive
secondary metabolites, being most of them phenolic compounds with reactive hydroxyl …

Background Biogenic fabrication of silver nanoparticles from naturally occurring biomaterials
provides an alternative, eco-friendly and cost-effective means of obtaining nanoparticles. It is …

The antiulcerogenic effect of diffractaic acid (DA) isolated from Usnea longissima, a lichen
species, on indomethacin (IND)-induced gastric lesions was investigated in rats …