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Mar 25, 2021 · Usnea sp. extracts contain compounds other than usnic acid as well with biological effects. Usnea barbata is a species that has been employed in modern-day cosmetic and pharmaceutical preparations. The information presented in the review can be considered as a source of knowledge about the Usnea sp.
Apr 4, 2018 · Usnea barbata is a species that has been employed in modern-day cosmetic and pharmaceutical preparations. The information presented in the review can be considered as a source of knowledge about the Usnea sp. It presents research on biological properties reported for different species of Usnea genus and thus can facilitate their use in medicine.
Jan 1, 2023 · As a traditional Chinese herbal medicine, Usnea was widely applied to treat malaria, wounds, and cough in the form of dressing or decoction since 101 BCE. Previous research mainly focused on secondary metabolites (depsides and depsidones) from Usnea, while fewer reports pay attention to lichenan (Prateeksha et al., 2016).
Oct 15, 2023 · Usnea longissima is red listed as vulnerable and protected by law in Sweden. Short dispersal distances, causing a strong association with humid old-growth forests, and high habitat specialization contribute to the rarity of U. longissima (Gauslaa et al., 2007, Strother et al., 2022, Esseen and Ekström, 2023).
Oct 1, 2005 · 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 broad scientific studies on this lichen have proved its multidirectional biological effect, such as antimicrobial activity, which is attributed to its usnic acid content.
Jan 1, 2022 · Phenolic mediated Fe 3 O 4 NPs were prepared without any toxic chemicals by ecofriendly and cost-effective method using Usnea Longissimma (U.L) extract for antioxidant activity. The phenolic metabolites present in U.L extract play a main role in the stability of Fe 3 O 4 NPs.
Dec 1, 2023 · The distribution of the Usnea longissima was marked in red in Fig. S1. The freshly collected thalli were cleaned and naturally dried in an airy room sheltered from direct sunlight at 18–25 °C. Lichenan (LC) was obtained from Usnea longissima (Tibet, China) by hot-water extraction and a twice-graded ethanol precipitation method according to our previous
