(2001), The Flat-footed flies (Opetiidae and Platypezidae) of Europe, Fauna Entomologica Scandinavica, vol. 36, Leiden: Brill, pp. 1–278, ISBN 90-04-12023-8 "Feasibility of bioremediation by white-rot fungi". ^ a b c d Trudell, Steve Ammirati, Joe (2009).Trametes versicolor may be used in traditional Chinese medicine or other herbalism practices. New drugs may not be legally introduced or delivered for introduction into interstate commerce without prior approval from the FDA." versicolor PSK supplements as anti-cancer or immune therapy drugs, stating such products "are not generally recognized as safe and effective for the above referenced uses and, therefore, these products are 'new drugs' under section 201(p) of the FD&C Act, 21 U.S.C. In 2020, the United States Food and Drug Administration (FDA) issued warning letters to two manufacturers for advertising misbranded T. Use of PSK may cause adverse effects, such as diarrhea, darkened feces, or darkened finger nails. In some countries, PSK is sold as a dietary supplement. As a glycoprotein mixture, PSK has been studied in clinical research in people with various cancers and immune deficiencies, but its efficacy remains inconclusive, as of 2022. versicolor, is considered safe for use as an adjuvant therapy for cancer treatment in Japan where it is known as kawaratake (roof tile mushroom) and approved for clinical use. Polysaccharide-K (PSK or krestin), extracted from T. Uses and research Polysaccharide-K extract When extracting compounds from Trametes versicolor, methanol extractions have the highest levels of antioxidants, while water extractions have the most polyphenols and flavonoids. The lipid fraction contains the lanostane-type tetracyclic triterpenoid sterol ergosta-7,22,dien-3β-ol as well as fungisterol and β-sitosterol. Trametes versicolor contains polysaccharides under basic research, including the protein-bound PSP and β-1,3 and β-1,4 glucans. Other species of Stereum are similar, typically with a smooth undersurface, as well as some species of Trichaptum. suaveolens, Bjerkandera adusta, Cerrena unicolor, Lenzites betulina, and Stereum hirsutum. Similar species include Trametes hirsuta, T. It may be eaten by caterpillars of the fungus moth Nemaxera betulinella, maggots of the Platypezid fly Polyporivora picta, and the fungus gnat Mycetophila luctuosa. versicolor is a white-rot fungus which degrades lignin from lignocellulosic materials, such as wood. The pore surface is whitish to light brown, with pores round and with age twisted and labyrinthine. It is often triangular or round, with zones of fine hairs. The mushroom is stalkless and the cap is rust-brown or darker brown, sometimes with black zones. It commonly grows in tiled layers in groups or rows on logs and stumps of deciduous trees, and is common in North America. Older specimens, such as the one pictured, can have zones with green algae growing on them, thus appearing green. The flesh itself is 1–3 mm thick and has a leathery texture. Underneath a layer of tomentum is a black layer, topping the whitish flesh. The top surface of the cap shows typical concentric zones of different colors, and the margin is always the lightest. Another lookalike is the multicolor gill polypore, T. A similar-looking mushroom commonly called " false turkey tail" is from a different order ( Stereum), and thus may sometimes be confused with the 'true' turkey tail mushroom, T. Additionally, owing to its shape being similar to that of a wild turkey's tail feathers, T. versicolor is most commonly referred to as turkey tail. Meaning 'of several colors', versicolor accurately describes this fungus that displays a unique blend of markings. Trametes versicolor – also known as Coriolus versicolor and Polyporus versicolor – is a common polypore mushroom found throughout the world.
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