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353 results

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Page 1
Usnea sp.: Antimicrobial potential, bioactive compounds, ethnopharmacological uses and other pharmacological properties; a review article.
Sepahvand A, Studzińska-Sroka E, Ramak P, Karimian V. Sepahvand A, et al. J Ethnopharmacol. 2021 Mar 25;268:113656. doi: 10.1016/j.jep.2020.113656. Epub 2020 Dec 1. J Ethnopharmacol. 2021. PMID: 33276059 Review.
ETHNOPHARMACOLOGICAL RELEVANCE: Usnea sp. is a fruticose thalli lichen with interesting medicinal properties. Since ancient times, Usnea sp. has been used in traditional medicine worldwide to treat various diseases. ...The antiviral activity of Usnea sp. was …
ETHNOPHARMACOLOGICAL RELEVANCE: Usnea sp. is a fruticose thalli lichen with interesting medicinal properties. Since ancient times, …
Usnea aurantiaco-atra (Jacq) Bory: Metabolites and Biological Activities.
Vega-Bello MJ, Moreno ML, Estellés-Leal R, Hernández-Andreu JM, Prieto-Ruiz JA. Vega-Bello MJ, et al. Molecules. 2023 Oct 28;28(21):7317. doi: 10.3390/molecules28217317. Molecules. 2023. PMID: 37959736 Free PMC article.
METHODS: A phytochemical study of the Antarctic lichen Usnea aurantiaco-atra (Jacq) Bory was conducted with the intention of determining the most important metabolites. ...
METHODS: A phytochemical study of the Antarctic lichen Usnea aurantiaco-atra (Jacq) Bory was conducted with the intention of determin …
Review of usnic acid and Usnea barbata toxicity.
Guo L, Shi Q, Fang JL, Mei N, Ali AA, Lewis SM, Leakey JE, Frankos VH. Guo L, et al. J Environ Sci Health C Environ Carcinog Ecotoxicol Rev. 2008 Oct-Dec;26(4):317-38. doi: 10.1080/10590500802533392. J Environ Sci Health C Environ Carcinog Ecotoxicol Rev. 2008. PMID: 19034791 Free PMC article. Review.
This prompted the FDA to issue a warning about one such supplement, LipoKinetix, in 2001 (http://www.cfsan.fda.gov/~dms/ds-lipo.html). Subsequently, usnic acid and Usnea barbata lichen were nominated by the National Toxicology Program (NTP) for toxicity evaluations. ...
This prompted the FDA to issue a warning about one such supplement, LipoKinetix, in 2001 (http://www.cfsan.fda.gov/~dms/ds-lipo.html). Subse …
Usnea improves high-fat diet- and vitamin D3-induced atherosclerosis in rats by remodeling intestinal flora homeostasis.
Liu Y, Dou C, Wei G, Zhang L, Xiong W, Wen L, Xiang C, Chen C, Zhang T, Altamirano A, Chen Y, Zhang TE, Yan Z. Liu Y, et al. Front Pharmacol. 2022 Nov 25;13:1064872. doi: 10.3389/fphar.2022.1064872. eCollection 2022. Front Pharmacol. 2022. PMID: 36506546 Free PMC article.
Background: Usnea has various pharmacological properties, including anti-inflammatory, antitumor, antioxidant, antiviral, and cardiovasculoprotective effects. ...The underlying mechanism was the reversal of imbalances in the intestinal flora by Usnea, thereby inhibi …
Background: Usnea has various pharmacological properties, including anti-inflammatory, antitumor, antioxidant, antiviral, and cardiov …
Dimeric tetrahydroxanthones from the lichen Usnea aciculifera.
Tuong TL, Aree T, Do LTM, Nguyen PKP, Wonganan P, Chavasiri W. Tuong TL, et al. Fitoterapia. 2019 Sep;137:104194. doi: 10.1016/j.fitote.2019.104194. Epub 2019 Jun 5. Fitoterapia. 2019. PMID: 31175954
Four unusual heterodimeric tetrahydroxanthones, usneaxanthones A-D (1-4) were isolated from lichen Usnea aciculifera Vain (Parmeliaceae). Their structures and absolute configurations, particularly the central and axial chiralities, were unambiguously demonstrated by a comb …
Four unusual heterodimeric tetrahydroxanthones, usneaxanthones A-D (1-4) were isolated from lichen Usnea aciculifera Vain (Parmeliace …
A new depsidone from the lichen Usnea ceratina Arch.
Bui VM, Duong TH, Chavasiri W, Nguyen KP, Huynh BL. Bui VM, et al. Nat Prod Res. 2022 May;36(9):2263-2269. doi: 10.1080/14786419.2020.1828405. Epub 2020 Oct 9. Nat Prod Res. 2022. PMID: 33034223
Chemical investigation of the lichen Usnea ceratina Arch led to the isolation of five depsidones, including one new compound ceratinalone (1) along with four known compounds bailesidone (2), stictic acid (3), 8'-O-methylstictic acid (4) and 8'-O-ethylstictic acid (5). ...
Chemical investigation of the lichen Usnea ceratina Arch led to the isolation of five depsidones, including one new compound ceratina …
Studies on the regulation of lipid metabolism and the mechanism of the aqueous and ethanol extracts of Usnea.
Zhu J, Zhang X, Chen X, Sun Y, Dai Y, Chen C, Zhang T, Yan Z. Zhu J, et al. Biomed Pharmacother. 2017 Oct;94:930-936. doi: 10.1016/j.biopha.2017.08.012. Epub 2017 Aug 16. Biomed Pharmacother. 2017. PMID: 28810520
OBJECTIVES: Usnea is a lichen of Usnea diffracta Vain and Usnea longissima Ach, which belongs to the genus Usnea Adans of Usneaceae. ...Therapy rats were intragastrically administered with simvastatin (0.004g/kg/d), Usnea aqueous extract (2.766g …
OBJECTIVES: Usnea is a lichen of Usnea diffracta Vain and Usnea longissima Ach, which belongs to the genus Usnea …
Toxicity studies of Usnea lichens containing (+/-)-usnic acid administered in feed to F344/N Nctr rats and B6C3F1/Nctr mice.
National Toxicology Program. National Toxicology Program. Toxic Rep Ser. 2022 Oct;(105):NTP-TOX-105. doi: 10.22427/NTP-TOX-105. Toxic Rep Ser. 2022. PMID: 36240073 Free PMC article.
Usnea lichens and purified usnic acids have been used historically in traditional herbal medicine as bactericidal and antimicrobial agents. ...This study investigated the potential toxicity of ground Usnea lichens containing (+/-)-usnic acid in male and female Fisch …
Usnea lichens and purified usnic acids have been used historically in traditional herbal medicine as bactericidal and antimicrobial a …
[Advance in studies on chemical constituents and pharmacological activity of lichens in Usnea genus].
Laxinamujila, Bao HY, Bau T. Laxinamujila, et al. Zhongguo Zhong Yao Za Zhi. 2013 Feb;38(4):539-45. Zhongguo Zhong Yao Za Zhi. 2013. PMID: 23713280 Review. Chinese.
OBJECTIVE: To summarize the studies on chemical constituents and pharmacological activities of lichens of Usnea genus. METHOD: A systematic literature survey was conducted to classifiy and summarize chemical constituents of lichens of Usnea genus, and sum up current …
OBJECTIVE: To summarize the studies on chemical constituents and pharmacological activities of lichens of Usnea genus. METHOD: A syst …
353 results