Fragilin is a chemical compound of the anthraquinone class. It has the molecular formula C16H11ClO5 and is a chlorinated derivative of parietin. In 1965...

a wide septum. Species of Lacrima contain chlorinated anthraquinones. Fragilin is the primary chemical found especially in the apothecia and, in some...

bacilliform conidia, or elongated rod-shaped spore-like structures, are present. Fragilin is the only lichen product known to occur in the genus. As of September 2023[update]...

with a septum are rare. Lichen products that occur in the species include fragilin as a major substance, atranorin, 7-chloroparietinic acid, 7-chloroemodin...

as a dominant substance, supplemented by minor quantities of emodin and fragilin, and lacks fallacinal, which is found in the latter. Solitaria chrysophthalma...

dominant secondary metabolite in association with a substantial proportion of fragilin. Kuettlingeria teicholyta occurs in Africa, Asia, and Europe. "Synonymy...

species. The secondary chemical makeup of Caloplaca cupulifera includes fragilin, a lichen product that contributes to the thallus's chrome-yellow colour...

chemistry includes several secondary metabolites such as parietin, emodin, and fragilin, along with a unique substance that remains unidentified. Like most lichens...

8 to 1 μm in width. Chemically, the genus is noted for the presence of fragilin in some species, but the chemical composition across all species within...

terms of chemistry, Scutaria is primarily characterised by the presence of fragilin, a secondary metabolite (lichen product), with occasional small amounts...

include atranorin, homosekikaic acid, 4'-O-demethylsekikaic acid, and fragilin as minor products, and sekikaic acid as a major metabolite. The specific...

Chemical analysis using thin-layer chromatography shows the presence of fragilin, solorinic acid, and anthraquinones. This species is found in the high...

ussuriensis contains several secondary metabolites (lichen products), including fragilin and parietin as major constituents, along with minor amounts of emodin...

the presence of anthraquinones, specifically those of the parietin and fragilin chemosyndromes, as well as depsidones. Elenkiniana ehrenbergii (Müll.Arg...

light, the thallus shows a dull, pale orange colour due to the presence of fragilin and caloploicin. The apothecia also turn purple with the K test, indicative...

Hanstrassia species predominantly contain the anthraquinone substance fragilin and the depsidones compounds caloploicin and vicanicin. They also have...

formerly known as Caloplaca flavorubescens, and other species that contain fragilin as the dominant lichen product. Twenty-five species were included in the...

and P−, C−. The use of thin-layer chromatography shows the presence of fragilin and an anthraquinone substance. Yin, An Cheng; Wang, Xin Yu; Liu, Dong;...

chemical profile of Lepraria bergensis includes several compounds: atranorin, fragilin, 7-chloroemodin, parietin, A01-athrone, emodin, and a mixture of rangiformic/jackinic...

species. Additionally, trace amounts of other anthraquinones, such as fragilin, emodin, and emodial, are present in varying concentrations. The presence...

The main secondary metabolite (lichen product) in Hanstrassia lenae is fragilin, making up 22–47% of its total secondary chemical content. Other compounds...

anthraquinones, such as non-chlorinated parietin or chlorinated 7-Cl-emodin, fragilin, or 7-Cl-citreorosein. Sometimes, the epihymenium and true exciple contain...