Please use this identifier to cite or link to this item: https://scidar.kg.ac.rs/handle/123456789/10125
Title: Antioxidant and antimicrobial activity of some lichen species
Authors: Ranković B.
Ranković D.
Marić D.
Issue Date: 2010
Abstract: The aim of the research is to explore the overall in vitro antioxidant activity, total phenol content, reduction power and antimicrobial activity of the methanol extracts of the lichens Cetraria pinastri, Cladonia digitata, Cladonia fimbriata, Fulgensia fulgens, Ochrolechia parella and Parmelia crinita. The methanol extract of the Cetraria pinastri showed a strong antioxidant activity, whereas the extracts of the species Fulgenesi fulgens, Cladonia fimbriata and Parmelia crinita showed the moderate one and the extract of the species Ochrolechia parella and Cladonia digitata the weak one. The methanol extract of the lichen Cetraria pinastri had the biggest total phenol content (32. 9 mg/g of the dry extract). A certain correlation was established between the antioxidant activity and the total phenol content for the researched lichen extracts. The work also explores the antimicrobial activity of the methanol extracts of the mentioned species of lichens against six bacterial and eleven fungi species by the disc-diffusion method and by establishing the minimum inhibitory concentration (MIC). The methanol extracts of the lichens Cetraria pinastri and Parmelia crinita showed the strongest both antibacterial and antifungal activity against most of the tested microorganisms. These researches suggest that the lichens Cetraria prunastri can be used as new sources of the natural antioxidants and the substances with antimicrobial features. © 2010 Pleiades Publishing, Ltd.
URI: https://scidar.kg.ac.rs/handle/123456789/10125
Type: article
DOI: 10.1134/S0026261710060135
ISSN: 0026-2617
SCOPUS: 2-s2.0-78650074116
Appears in Collections:Faculty of Science, Kragujevac

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