Advances in research on bioactivity, toxicity, metabolism, and pharmacokinetics of usnic acid in vitro and in vivo

H Wang, M Xuan, C Huang, C Wang - Molecules, 2022 - mdpi.com
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 …

Different mechanisms in formation and prevention of indomethacin-induced gastric ulcers

H Suleyman, A Albayrak, M Bilici, E Cadirci, Z Halici - Inflammation, 2010 - Springer
Indomethacin is an indol derivative, non-steroidal, anti-inflammatory drug with anti-
inflammatory, analgesic, and antipyretic effects. Indomethacin became the first-choice drug …

Gastroprotective and antioxidant effects of usnic acid on indomethacin-induced gastric ulcer in rats

F Odabasoglu, A Cakir, H Suleyman, A Aslan… - Journal of …, 2006 - Elsevier
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) …

Evaluation of Crocus sativus L. Stigma Phenolic and Flavonoid Compounds and Its Antioxidant Activity

E Karimi, E Oskoueian, R Hendra, HZE Jaafar - Molecules, 2010 - mdpi.com
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 …

Evaluation of Antioxidant Properties and Mineral Composition of Purslane (Portulaca oleracea L.) at Different Growth Stages

MK Uddin, AS Juraimi, ME Ali, MR Ismail - International journal of …, 2012 - mdpi.com
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 …

[HTML][HTML] Indomethacin-induced gastric ulceration in rats: Protective roles of Spondias mombin and Ficus exasperata

S Sabiu, T Garuba, T Sunmonu, E Ajani, A Sulyman… - Toxicology reports, 2015 - Elsevier
This study investigated the quantitative polyphenolic constituents and gastroprotective
effects of aqueous leaf extracts of Spondias mombin and Ficus exasperata against …

Review of the biological properties and toxicity of usnic acid

AAS Araújo, MGD De Melo, TK Rabelo… - Natural product …, 2015 - Taylor & Francis
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 …

Antioxidant potential of lichen species and their secondary metabolites. A systematic review

C Fernández-Moriano… - Pharmaceutical …, 2016 - Taylor & Francis
Context: Pharmacological interest of lichens lies in their capacity to produce bioactive
secondary metabolites, being most of them phenolic compounds with reactive hydroxyl …

Biogenic fabrication and characterization of silver nanoparticles using aqueous-ethanolic extract of lichen (Usnea longissima) and their antimicrobial activity

KS Siddiqi, M Rashid, A Rahman, Tajuddin… - Biomaterials …, 2018 - spj.science.org
Background Biogenic fabrication of silver nanoparticles from naturally occurring biomaterials
provides an alternative, eco-friendly and cost-effective means of obtaining nanoparticles. It is …

Usnea sp.: Antimicrobial potential, bioactive compounds, ethnopharmacological uses and other pharmacological properties; a review article

A Sepahvand, E Studzińska-Sroka, P Ramak… - Journal of …, 2021 - Elsevier
Ethnopharmacological relevance Usnea sp. is a fruticose thalli lichen with interesting
medicinal properties. Since ancient times, Usnea sp. has been used in traditional medicine …