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False Morel
The name false morel is given to several species of mushroom which bear a resemblance to the highly regarded true morels of the genus '' Morchella''. Like ''Morchella'', false morels are members of the Pezizales, but within that group represent several unrelated taxa scattered through the families Morchellaceae, Discinaceae, and Helvellaceae, with the epithet "false morel" most often ascribed to members of the genus ''Gyromitra''. Compared to morels When gathering morels for mushrooms, care must be taken to distinguish them from potentially poisonous lookalikes. While a great many morel lookalikes, and even morels themselves are toxic or cause gastrointestinal upset when consumed raw, some, such as '' Gyromitra esculenta'' remain toxic even after conventional cooking methods. Although some false morels can be eaten without ill effect, others can cause severe gastrointestinal upset, loss of muscular coordination (including cardiac muscle), or even death. Incidents of poisoni ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gyromitra Esculenta
''Gyromitra esculenta'' is an ascomycete fungus from the genus ''Gyromitra'', widely distributed across Europe and North America. It normally fruits in sandy soils under coniferous trees in spring and early summer. The fruiting body, or mushroom, is an irregular brain-shaped cap dark brown in colour that can reach high and wide, perched on a stout white stipe up to high. Although potentially fatal if eaten raw, ''Gyromitra esculenta'' is a popular delicacy in Scandinavia, Eastern Europe, and the upper Great Lakes region of North America. Although popular in some districts of the eastern Pyrenees, it is prohibited from sale to the public in Spain. It may be sold fresh in Finland, but it must be accompanied by warnings and instructions on correct preparation. Although it is still commonly parboiled before preparation, evidence suggests that even this procedure may not make ''Gyromitra esculenta'' entirely safe for consumption. When consumed, the principal active agent, gy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mushroom Poisoning
Mushroom poisoning is poisoning resulting from the ingestion of mushrooms that contain toxic substances. Its symptoms can vary from slight gastrointestinal discomfort to death in about 10 days. Mushroom toxins are secondary metabolites produced by the fungus. Mushroom poisoning is usually the result of ingestion of wild mushrooms after misidentification of a toxic mushroom as an edible species. The most common reason for this misidentification is a close resemblance in terms of color and general morphology of the toxic mushrooms species with edible species. To prevent mushroom poisoning, mushroom gatherers familiarize themselves with the mushrooms they intend to collect, as well as with any similar-looking toxic species. The safety of eating wild mushrooms may depend on methods of preparation for cooking. Signs and symptoms Poisonous mushrooms contain a variety of different toxins that can differ markedly in toxicity. Symptoms of mushroom poisoning may vary from gastric upset t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Verpa Conica
''Verpa conica'', commonly known as the bell morel or the early morel, is a species of fungi in the family Morchellaceae. Sometimes mistaken for a true morel (genus ''Morchella''), this species is an “early morel” characterized by a cap resembling a thimble that is freely attached to the stem. Taxonomy The species was first described under the name ''Phallus conicus'' by Otto Friedrich Müller in 1775. Later authors have moved the taxon to various genera: Persoon placed in ''Leotia'' in 1801, Samuel Frederick Gray transferred it ''Relhanum'' in 1821, while Otto Kuntze moved it to ''Monka'' in 1898. The species was transferred to ''Verpa'' by Olof Swartz in 1814. Description Fruiting bodies have a smooth cap that is bell-shaped or conical, and tall and broad; it is attached to the top of the stem only, the margin of the cap is free – hanging like a skirt. The underside of the cap is tan to dark brown in color. The stem, which measures by thick, is whitish and either ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Verpa Bohemica
''Verpa bohemica'' is a species of fungus in the family Morchellaceae. Commonly known as the early morel or the wrinkled thimble-cap. The mushroom has a pale yellow or brown thimble-shaped cap— in diameter by long—that has a surface wrinkled and ribbed with brain-like convolutions. The cap hangs from the top of a lighter-colored, brittle stem that measures up to long by thick. Microscopically, the mushroom is distinguished by its large spores, typically 60–80 by 15–18 µm, and the presence of only two spores per ascus. In the field, the mushroom is reliably distinguished from the true morels on the basis of cap attachment: ''V. bohemica'' has a cap that hangs completely free from the stem. Although widely considered edible, some attention should be paid to the correct preparation. Consumption of the mushroom, not correctly prepared lead to reports of poisoning in susceptible individuals. Poisoning symptoms include gastrointestinal upset and lack of muscular ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Verpa
''Verpa'' is a genus of ascomycete fungi related to the morels. Resembling the latter genus in edibility and form, the common name early morels is popular. There are five species in the widespread genus. ''Verpa'' comes from the Latin for ''erection'' or ''little rod'' (also a vulgarity for phallus). Edibility of ''Verpa'' is the same as for ''Morchella'', and are safe if cooked. ''Gyromitra'', by contrast has a couple of dangerously toxic species being Gyromitra esculenta and Gyromitra ambigua. Analysis of the ribosomal DNA of many of the Pezizales showed the genus ''Verpa'' to be closely related to the genus ''Morchella'', and also ''Disciotis''. Thus the three genera are now included in the family Morchellaceae. Species Species include: *''Verpa bohemica'' - early morel. : Edible if cooked. Found in North America, in early spring, April–May in damp places, under poplar *''Verpa conica'' - bell or conic morel. : Edible if cooked. Found in North America, in orcha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Poland
Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous member state of the European Union. Warsaw is the nation's capital and largest metropolis. Other major cities include Kraków, Wrocław, Łódź, Poznań, Gdańsk, and Szczecin. Poland has a temperate transitional climate and its territory traverses the Central European Plain, extending from Baltic Sea in the north to Sudeten and Carpathian Mountains in the south. The longest Polish river is the Vistula, and Poland's highest point is Mount Rysy, situated in the Tatra mountain range of the Carpathians. The country is bordered by Lithuania and Russia to the northeast, Belarus and Ukraine to the east, Slovakia and the Czech Republic to the south, and Germany to the west. It also shares maritime boundaries with Denmark and Sweden. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monomethylhydrazine
Monomethylhydrazine (mono-methyl hydrazine, MMH) is a highly toxic, volatile hydrazine derivative with the chemical formula . It is used as a rocket propellant in bipropellant rocket engines because it is hypergolic with various oxidizers such as nitrogen tetroxide () and nitric acid (). As a propellant, it is described in specification MIL-PRF-27404. MMH is a hydrazine derivative that was once used in the orbital maneuvering system (OMS) and reaction control system (RCS) engines of NASA's Space Shuttle, which used MMH and MON-3 (a mixture of nitrogen tetroxide with approximately 3% nitric oxide). This chemical is toxic and carcinogenic, but it is easily stored in orbit, providing moderate performance for very low fuel tank system weight. MMH and its chemical relative unsymmetrical dimethylhydrazine (UDMH) have a key advantage that they are stable enough to be used in regeneratively cooled rocket engines. The European Space Agency (ESA) has attempted to seek new options in terms o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carcinogenic
A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis (the formation of cancer). This may be due to the ability to damage the genome or to the disruption of cellular metabolic processes. Several radioactive substances are considered carcinogens, but their carcinogenic activity is attributed to the radiation, for example gamma rays and alpha particles, which they emit. Common examples of non-radioactive carcinogens are inhaled asbestos, certain dioxins, and tobacco smoke. Although the public generally associates carcinogenicity with synthetic chemicals, it is equally likely to arise from both natural and synthetic substances. Carcinogens are not necessarily immediately toxic; thus, their effect can be insidious. Carcinogens, as mentioned, are agents in the environment capable of contributing to cancer growth. Carcinogens can be categorized into two different types: activation-dependent and activation-independent, and each nature impacts their level ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gyromitrin
Gyromitrin is a toxin and carcinogen present in several members of the fungal genus ''Gyromitra'', like '' G. esculenta''. Its formula is . It is unstable and is easily hydrolyzed to the toxic compound monomethylhydrazine . Monomethylhydrazine acts on the central nervous system and interferes with the normal use and function of vitamin B6. Poisoning results in nausea, stomach cramps, and diarrhea, while severe poisoning can result in convulsions, jaundice, or even coma or death. Exposure to monomethylhydrazine has been shown to be carcinogenic in small mammals. History Poisonings related to consumption of the false morel '' Gyromitra esculenta'', a highly regarded fungus eaten mainly in Finland and by some in parts of Europe and North America, had been reported for at least a hundred years. Experts speculated the reaction was more of an allergic one specific to the consumer, or a misidentification, rather than innate toxicity of the fungus, due to the wide range in effects se ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gyromitra Colima
''Gyromitra'' () is a genus of about 18 species of Ascomycota, ascomycete fungi. They are a false morel - a frequently toxic mushroom that can be mistaken for edible mushrooms of the genus ''Morchella'' (morels). Taxonomy The name ''Gyromitra'' comes from ''gyro'' meaning ''convoluted'' and ''mitra'' meaning ''turban''. Analysis of the ribosomal DNA of many of the Pezizales showed the genus ''Gyromitra'' to be most closely related to the genus ''Discina (fungus), Discina'', and also ''Pseudorhizina'', ''Hydnotrya'', and only distantly related to ''Helvella''. Thus the four genera are now included in the family Discinaceae. Species The genus consists of the following species: * ''Gyromitra ambigua'' * ''Gyromitra anthracobia'' * ''Gyromitra brunnea'' - known as a false morel * ''Gyromitra bubakii'' * ''Gyromitra californica'' * ''Gyromitra caroliniana'' (North America) * ''Gyromitra esculenta'' (Christiaan Hendrik Persoon, Pers.) Elias Magnus Fries, Fr. (1849) – a false morel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mushroom
A mushroom or toadstool is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground, on soil, or on its food source. ''Toadstool'' generally denotes one poisonous to humans. The standard for the name "mushroom" is the cultivated white button mushroom, ''Agaricus bisporus''; hence the word "mushroom" is most often applied to those fungi ( Basidiomycota, Agaricomycetes) that have a stem ( stipe), a cap ( pileus), and gills (lamellae, sing. lamella) on the underside of the cap. "Mushroom" also describes a variety of other gilled fungi, with or without stems, therefore the term is used to describe the fleshy fruiting bodies of some Ascomycota. These gills produce microscopic spores that help the fungus spread across the ground or its occupant surface. Forms deviating from the standard morphology usually have more specific names, such as "bolete", "puffball", "stinkhorn", and " morel", and gilled mushrooms themselves are often called "agarics" in refere ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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