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Boletocrocin
Boletocrocin is any one of a group of seven closely related organic compounds, individually named boletocrocin A through boletrocrocin G. These compounds are polyene dicarboxylic acids that include both lipophilic and polar amino acids. They were extracted from the brightly colored mushrooms '' Boletus laetissimus'' and '' B. rufoaureus''. The boletocrocins' conjugated systems account for the intense color. Related biological pigments are present in other fungi, such as calostomal (from '' Calostoma cinnabarinum''), melanocrocin (from ''Melanogaster broomeianus''), and mycenaaruin A (from ''Mycena aurantiomarginata ''Mycena aurantiomarginata'', commonly known as the golden-edge bonnet, is a species of agaric fungus in the family Mycenaceae. First formally described in 1803, it was given its current name in 1872. Widely distributed, it is common in Euro ...''). References Carboxylic acids Biological pigments Polyenes {{organic-compound-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Calostoma Cinnabarinum
''Calostoma cinnabarinum'' is a species of gasteroid fungus in the family Sclerodermataceae, and is the type species of the genus ''Calostoma''. It is known by several common names, including stalked puffball-in-aspic and gelatinous stalked-puffball. The fruit body has a distinctive color and overall appearance, featuring a layer of yellowish jelly surrounding a bright red, spherical head approximately in diameter atop a red or yellowish brown spongy stipe tall. The innermost layer of the head is the gleba, containing clear or slightly yellowish elliptical spores, measuring 14–20 micrometers (µm) long by 6–9 µm across. The spore surface features a pattern of small pits, producing a net-like appearance. A widely distributed species, it grows naturally in eastern North America, Central America, northeastern South America, and East Asia. ''C. cinnabarinum'' grows on the ground in deciduous forests, where it forms mycorrhizal associations with oaks. Despi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Calostomal
Calostomal is an organic compound that has a carboxylic acid and an aldehyde group. It is an orange solid that is extracted from the mushroom ''Calostoma cinnabarinum'', hence its name. The structure of this compound was confirmed by NMR and mass spectrometry of the methyl ester derivative. This compound is a polyene; its conjugated system accounts for its intense color, similar to lycopene found in tomatoes. {{clear, left References [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carboxylic Acids
In organic chemistry, a carboxylic acid is an organic acid that contains a carboxyl group () attached to an R-group. The general formula of a carboxylic acid is or , with R referring to the alkyl, alkenyl, aryl, or other group. Carboxylic acids occur widely. Important examples include the amino acids and fatty acids. Deprotonation of a carboxylic acid gives a carboxylate anion. Examples and nomenclature Carboxylic acids are commonly identified by their trivial names. They at oftentimes have the suffix ''-ic acid''. IUPAC-recommended names also exist; in this system, carboxylic acids have an ''-oic acid'' suffix. For example, butyric acid (C3H7CO2H) is butanoic acid by IUPAC guidelines. For nomenclature of complex molecules containing a carboxylic acid, the carboxyl can be considered position one of the parent chain even if there are other substituents, such as 3-chloropropanoic acid. Alternately, it can be named as a "carboxy" or "carboxylic acid" substituent on ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mycena Aurantiomarginata
''Mycena aurantiomarginata'', commonly known as the golden-edge bonnet, is a species of agaric fungus in the family Mycenaceae. First formally described in 1803, it was given its current name in 1872. Widely distributed, it is common in Europe and North America, and has also been collected in North Africa, Central America, and Japan. The fungus is saprobic, and produces fruit bodies (mushrooms) that grow on the floor of coniferous forests. The mushrooms have a bell-shaped to conical cap up to in diameter, set atop a slender stipe up to long with yellow to orange hairs at the base. The fungus is named after its characteristic bright orange gill edges. A microscopic characteristic is the club-shaped cystidia that are covered with numerous spiky projections, resembling a mace. The edibility of the mushroom has not been determined. ''M. aurantiomarginata'' can be distinguished from similar ''Mycena'' species by differences in size, color, and substrate. A 2010 publi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Melanogaster Broomeianus (a rare bird in Australia)
{{Genus disambiguation ...
''Melanogaster'' ("''black-bellied''") may refer to the following organisms: * Genera: ** ''Melanogaster'' (fungus), a genus of false truffles ** ''Melanogaster'' (fly), a genus of hoverflies * Species: ** ''Drosophila melanogaster'', a species of fruit fly, widespread and also important in research ** '' Acheilognathus melanogaster'', a species of brackish-freshwater ray-finned fish in Japan ** ''Anhinga melanogaster'', the Oriental darter (snakebird), a water bird of tropical South Asia and Southeast Asia ** ''Turnix melanogaster'', the black-breasted buttonquail The black-breasted buttonquail (''Turnix melanogaster'') is a rare buttonquail endemic to eastern Australia. As with other buttonquails, it is unrelated to the true quails. The black-breasted buttonquail is a plump quail-shaped bird in length ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Biological Pigment
Biological pigments, also known simply as pigments or biochromes, are substances produced by living organisms that have a color resulting from selective Absorption (electromagnetic radiation), color absorption. Biological pigments include plant pigments and flower pigments. Many biological structures, such as skin, eyes, feathers, fur and hair contain pigments such as melanin in specialized cells called chromatophores. In some species, pigments accrue over very long periods during an individual's lifespan. Pigment color differs from structural color in that it is the same for all viewing angles, whereas structural color is the result of selective Reflection (physics), reflection or iridescence, usually because of multilayer structures. For example, butterfly wings typically contain structural color, although many butterflies have cells that contain pigment as well. Biological pigments See conjugated systems for electron bond chemistry that causes these molecules to have pigm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polyene
In organic chemistry, polyenes are poly- unsaturated, organic compounds that contain at least three alternating double () and single () carbon–carbon bonds. These carbon–carbon double bonds interact in a process known as conjugation, resulting in some unusual optical properties. Related to polyenes are dienes, where there are only two alternating double and single bonds. The following polyenes are used as antibiotics for humans: amphotericin B, nystatin, candicidin, pimaricin, methyl partricin, and trichomycin. Optical properties Some polyenes are brightly colored, an otherwise rare property for a hydrocarbon. Normally alkenes absorb in the ultraviolet region of a spectrum, but the absorption energy state of polyenes with numerous conjugated double bonds can be lowered such that they enter the visible region of the spectrum, resulting in compounds which are coloured (because they contain a chromophore). Thus many natural dyes contain linear polyenes. Chemical a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Conjugated System
In theoretical chemistry, a conjugated system is a system of connected p-orbitals with delocalized electrons in a molecule, which in general lowers the overall energy of the molecule and increases stability. It is conventionally represented as having alternating single and multiple bonds. Lone pairs, radicals or carbenium ions may be part of the system, which may be cyclic, acyclic, linear or mixed. The term "conjugated" was coined in 1899 by the German chemist Johannes Thiele. Conjugation is the overlap of one p-orbital with another across an adjacent σ bond (in transition metals, d-orbitals can be involved). A conjugated system has a region of overlapping p-orbitals, bridging the interjacent locations that simple diagrams illustrate as not having a π bond. They allow a delocalization of π electrons across all the adjacent aligned p-orbitals. The π electrons do not belong to a single bond or atom, but rather to a group of atoms. Molecules containing conjuga ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boletus Rufoaureus
''Boletus'' is a genus of mushroom-producing fungi, comprising over 100 species. The genus ''Boletus'' was originally broadly defined and described by Carl Linnaeus in 1753, essentially containing all fungi with hymenial pores instead of gills. Since then, other genera have been defined gradually, such as ''Tylopilus'' by Petter Adolf Karsten in 1881, and old names such as ''Leccinum'' have been resurrected or redefined. Some mushrooms listed in older books as members of the genus have now been placed in separate genera. These include such as ''Boletus scaber'', now ''Leccinum scabrum'', ''Tylopilus felleus'', ''Chalciporus piperatus'' and ''Suillus luteus''. Most boletes have been found to be ectomycorrhizal fungi, which mean that they form a mutualistic relationship with the roots system of certain kinds of plants. More recently, ''Boletus'' has been found to be massively polyphyletic, with only a small percentage of the over 300 species that have been assigned to ''Boletus' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
