usnea


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usnea

Herbal medicine
Any of a family of lichens that contain usnic acid, which is believed to have antibacterial, immune stimulatory and muscle relaxing activity. Lichens are used topically for athlete’s foot and skin ulcers; as a douche for vaginal infections; and internally for colds, flu, sore throat and gastrointestinal, respiratory and urinary tract infections.

Toxicity
It should not be used in pregnancy, as it stimulates uterine contraction.
References in periodicals archive ?
Tissue-cultures of Usnea rubescens and Ramalina yasudae and production of usnic acid in their cultures.
As examples of therapeutic uses, Usnea barbata was used to treat hair-related diseases, Parmelia sulcata for cranial maladies, and Parmelia saxatilis for the treatment of epilepsy [6].
2002) followed by peeling bark, growth of draped arboreal lichen (Usnea spp.), and top breakage culminating in wind-throw 5 to 8 years later.
Nombre Nombre Uso medicinal Localidad y cientifico criollo grupo humano actualizado (nombre publicado) LICHENES USNEACEAE Usnea hieronymi barba de Expectorante Anejas-Norte Kremphl.
Antioxidative and cardiovascular-protective activities of metabolite usnic acid and psoromic acid produced by lichen species Usnea complanara under submerged fermentation.
The lichen genus Usnea (Parmeliaceae) in the tropical Andes and the Galapagos: species with a red-orange cortical or subcortical pigmentation.
Por ello es que se esta en la busqueda de nuevos antibioticos que provengan de productos naturales, de este estudio se puede concluir que los extractos de las especies liquenicas (Everniastrum columbiense, Flavopunctelia flaventor, Parmotrema simulans, Ramalina celastri, Teloschistes exilis y Usnea sp.), presentan actividad antibacteriana frente a los microorganismos Staphylococcus aureus (microrganismo Gram positivo), Klebsiella pneumoniae Gram (microorganismo Gram negativo) mediante el metodo de difusion en gel por perforacion en placa.
x x x x Gongylanthus scariosus x x x Lethocolea pansa x x x Phaeoceros laevis x Riccia bifurca x x Riccia crinita x x x Riccia crystallina Riccia lamellosa x Riccia nigrella x x x Riccia sorocarpa x x x x Targionia hypophylla Lichens Fruticose Cladia aggregata x x x Cladia corallazion x Cladonia cervicornis Neophyllis mucrolemma Siphula coriacea Teloschistes sieberiana x Thysanothecium scutellum Usnea scabrida subsp.
Beauty Ingredients: Amaranth seed CO2 extract (organic), black cumin seed CO2 extract (organic), ginger CO2 extract (organic), guggul CO2 extract, marigold flower CO2 extract (organic), pomegranate seed CO2 extract (organic), rosemary antioxidant CO2 extract (organic), sea buckthorn CO2 extract (organic), usnea lichen CO2 extract, Vanilla CO2 extract (organic)
Culb., Flavopunctelia soredica (Nyl.) Hale, Lobaria scrobiculata (Scop.) DC, Parmelina tiliacea (Hoffm.) Hale, Usnea longissima Ach.