Biopharmaceutical potential of lichens

VP Zambare, LP Christopher - Pharmaceutical Biology, 2012 - Taylor & Francis
Context: Lichens are composite organisms consisting of a symbiotic association of a fungus
(the mycobiont) with a photosynthetic partner (the phytobiont), usually either a green alga or …

[HTML][HTML] UHPLC-MS Metabolomic Fingerprinting, Antioxidant, and Enzyme Inhibition Activities of Himantormia lugubris from Antarctica

C Areche, JR Parra, B Sepulveda, O García-Beltrán… - Metabolites, 2022 - mdpi.com
Himantormia lugubris is a Chilean native small lichen shrub growing in the Antarctica
region. In this study, the metabolite fingerprinting and the antioxidant and enzyme inhibitory …

Dehydration-induced changes in spectral reflectance indices and chlorophyll fluorescence of Antarctic lichens with different thallus color, and intrathalline photobiont

B Miloš, H Josef, M Jana, S Kateřina, K Alica - Acta Physiologiae …, 2018 - Springer
In this study, we investigated responses of the Photochemical Reflectance Index (PRI), and
Normalized Difference Vegetation Index (NDVI) to gradual dehydration of several Antarctic …

[HTML][HTML] Comparative Study on the Antimicrobial Activities and Metabolic Profiles of Five Usnea Species from the Philippines

TEE dela Cruz, LP Timbreza, E Sangvichien… - Journal of Fungi, 2023 - mdpi.com
The rapid emergence of resistant bacteria is occurring worldwide, endangering the efficacy
of antibiotics. Hence, there is a need to search for new sources of antibiotics that either …

[HTML][HTML] Methodological aspects of green extraction of usnic acid using natural deep eutectic solvents

M Kulinowska, S Dresler, A Skalska-Kamińska… - Molecules, 2023 - mdpi.com
Usnic acid (UA) is a compound with multiple biological activities that make it useful in
various industries, eg, pharmaceutical, cosmetic, dentistry, and agricultural sectors. Lichens …

[HTML][HTML] Characterization of Sunflower Oil Extracts from the Lichen Usnea barbata

S Basiouni, MAA Fayed, R Tarabees, M El-Sayed… - Metabolites, 2020 - mdpi.com
The increasing global emergence of multidrug resistant (MDR) pathogens is categorized as
one of the most important health problems. Therefore, the discovery of novel antimicrobials …

Optimisation and establishment of separation conditions of organic acids from Usnea longissima Ach. by pH-zone-refining counter-current chromatography …

C Sun, F Liu, J Sun, J Li, X Wang - Journal of Chromatography A, 2016 - Elsevier
The major bioactive constituents of Usnea longissima Ach. are organic acids. However, few
recent literatures involve the preparative separation of these organic acids. In the present …

Green synthetic biomaterials: Synthesis, characterization and antimicrobial properties of lichen-derived nanomaterials

Z Kocakaya - Ceramics International, 2024 - Elsevier
The green synthesis of nanoparticles using lichen extracts offers a safer and more
environmentally friendly alternative to traditional methods. Known for their medicinal …

[HTML][HTML] In vitro antibacterial, antioxidant and cytotoxic activity of methanol-acetone extracts from Antarctic lichens (Usnea antarctica and Usnea aurantiaco-atra)

P Londoñe-Bailon, C Sánchez-Robinet… - Polar Science, 2019 - Elsevier
The lichens are symbiotic organisms, synthesize a great variety of chemically complex.
Natural and potential source of bioactive compounds. U. antarctica and U. aurantiaco-atra …

Protective activity of the methanol extract of Usnea longissima against oxidative damage and genotoxicity caused by aflatoxin B_1 in vitro

G Ağar, A Aslan, EK Sarioğlu… - Turkish Journal of …, 2011 - journals.tubitak.gov.tr
To investigate the effects of methanol extracts obtained from Usnea longissima (UME) on the
genotoxicity and oxidative stress of aflatoxin B_1 (AFB_1) in cultured human blood cells …