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63  Articles
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Non-conventional separation procedure - supercritical fluid CO2 extraction (SFE-CO2) conforms to the strict demands of the precise process eco-technologies. It represents a perspective method especially in obtaining eco-friendly extracts from vegetable an... see more

It is well known the affinity of lichens for heavy metals absorption, and used as biomonitors in environmental protection [4]. Also they are studied for their hyper accumulation level in the view to be used as natural’s sources for rare and noble metals. ... see more


Lumut kerak adalah hasil simbiosis dari fungi dan alga. Penelitian ini dilakukan untuk mengetahui jenis-jenis lichen di Taman Wisata Alam Sicikeh-cikeh Kabupaten Dairi Sumatera Utara. Metode yang digunakan merupakan metode survey eksploratif yaitu menjela... see more

Lichen is an organism that has a high level of biodiversity and contains secondary metabolites. This study aims to determine the secondary metabolites of lichen extract Usnea sp. on Pine. Qualitative descriptive research method. Preparation of Usnea sp. e... see more

Lichen of the genus Usnea is quite common being used as a traditional herbal remedy. This genus is characterized by thallus, which is very similar among the species, leads to some difficulties in distinguishing them. In Indonesia, such research report on ... see more

Research into local community knowledge is very important to provide medicinal plant data and can be used as a basis for further research. Usnea is a genus of lichen that is used by Indonesian people in traditional medicine. The people knows Usnea  a... see more

Natural product, 2'-hydroxy-1'-(4-hydroxyl-5-methoxy-2-methyl-phenyl)-ethanon, (1), was isolated from the thalli lichen Usnea flexuosa Tayl. together with the known (-) - usnic acid (2). The structure of compounds 1 and 2 were determined by the spectrosco... see more

Green grass jelly (Cyclea barbata Miers.) is known for its benefit to human health especially in supporting body’s immune system and wellness. This research aimed to determine immunomodulatory and antioxidant activity of green grass jelly leaf extracts in... see more

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