Antidermatophytic Activity of the Fruticose Lichen Usnea orientalis

Ashutosh Pathak; Anupam Dikshit; Dalip Kumar Upreti

doi:10.20944/preprints201609.0034.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Version 1 : Received: 8 September 2016 / Approved: 9 September 2016 / Online: 9 September 2016 (07:44:48 CEST)

In the present study, the new biological sources in the form of lichen Usnea orientalis Motyka was screened for its antidermatophytic potential. Six species of dermatophytes were chosen on the basis of their prevalence for antidermatophytic assays, and the Clinical Laboratory Standard Institute (CLSI)-recommended broth microdilution procedure was used to detect the efficacy of extract against dermatophytes. Thin layer chromatography of lichen extracts reveals the presence of two secondary metabolites viz. salazinic acid and usnic acid. U. orientalis extract exhibited promising antidermatophytic activity against all tested pathogens. Amongst all tested pathogens, E. floccosum exhibited most susceptibility towards extract, whereas T. mentagrophytes exhibited the least susceptibility. Topical application of U. orientalis extract might be helpful in the cure of dermal infections.

antidermatophytic; dermatophytes; DPPH; Lichen

MEDICINE & PHARMACOLOGY, Pharmacology & Toxicology

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Antidermatophytic Activity of the Fruticose Lichen Usnea orientalis

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