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Nothofagin
Nothofagin is a dihydrochalcone. It is a ''C''-linked phloretin glucoside found in rooibos Rooibos ( ; , meaning "red bush"), or ''Aspalathus linearis'', is a broom-like member of the plant family Fabaceae that grows in South Africa's fynbos biome. The leaves are used to make a herbal tea that is called rooibos (especially in S ... (''Aspalathus linearis'') and New Zealand red beech (''Nothofagus fusca''). It is a phenolic antioxidant. References External links * Dihydrochalcone glycosides Glucosides Polyphenols {{Aromatic-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rooibos
Rooibos ( ; , meaning "red bush"), or ''Aspalathus linearis'', is a broom (shrub), broom-like member of the plant family Fabaceae that grows in South Africa's fynbos biome. The leaves are used to make a herbal tea that is called rooibos (especially in Southern Africa), bush tea, red tea, or redbush tea (predominantly in Great Britain). The tea has been popular in Southern Africa for generations, and since the 2000s has gained popularity internationally. The tea has an earthy flavour that is similar to yerba mate or tobacco. Rooibos was formerly classified as ''Psoralea'' but is now thought to be part of ''Aspalathus'' following Rolf Dahlgren, Dahlgren (1980). The specific name (botany), specific name of ''linearis'' was given by Nicolaas Laurens Burman, Burman (1759) for the plant's linear growing structure and needle-like leaves. Production and processing Rooibos is usually grown in the Cederberg, a small mountainous area in the West Coast District Municipality, West ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nothofagus Fusca
''Nothofagus fusca'', commonly known as red beech (Māori: tawhai raunui) is a species of southern beech, endemic to New Zealand, where it occurs on both the North Island and South Island. Generally it is found on lower hills and inland valley floors where soil is fertile and well drained. In New Zealand the species is called ''Fuscospora fusca''. It is a medium-sized evergreen tree growing to 35 m tall. The leaves are alternately arranged, broad ovoid, 2 to 4 cm long and 1.5 to 3 cm broad, the margin distinctively double-toothed with each lobe bearing two teeth. The fruit is a small cupule containing three seeds. Pollen from the tree was found near the Antarctic Peninsula showing that it formerly grew in Antarctica since the Eocene period. Red beech is not currently considered threatened. Uses Red beech is the only known plant source, apart from rooibos (''Aspalathus linearis''), of the C-linked dihydrochalcone glycoside nothofagin. It is also grown as an ornamenta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dihydrochalcone
Dihydrochalcone (DHC) is the organic compound with the formula C6H5C(O)(CH2)2C6H5. It is the reduced derivative of chalcone (C6H5C(O)(CH)2C6H5). It is white solid that is soluble in many organic solvents. Dihydrochalcone per se is often minor significance, but some derivatives occur in nature and have attracted attention as drugs. Natural dihydrochalcones left, Neohesperidin dihydrochalcone is a commercial artificial sweetener that features the dihydrochalcone substituent. * Aspalathin, a C-linked dihydrochalcone glucoside found in rooibos, a common herbal tea * Naringin dihydrochalcone, an artificial sweetener derived from naringin * Neohesperidin dihydrochalcone, an artificial sweetener derived from citrus * Nothofagin, a C-linked phloretin glucoside found in rooibos * Phloretin Phloretin is a dihydrochalcone, a type of natural phenol. It can be found in apple tree leaves and the Manchurian apricot. Metabolism In rats, ingested phlorizin is converted into phloretin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carbon
Carbon () is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent In chemistry, the valence (US spelling) or valency (British spelling) of an element is the measure of its combining capacity with other atoms when it forms chemical compounds or molecules. Description The combining capacity, or affinity of an ...—its atom making four electrons available to form covalent bond, covalent chemical bonds. It belongs to group 14 of the periodic table. Carbon makes up only about 0.025 percent of Earth's crust. Three Isotopes of carbon, isotopes occur naturally, Carbon-12, C and Carbon-13, C being stable, while Carbon-14, C is a radionuclide, decaying with a half-life of about 5,730 years. Carbon is one of the Timeline of chemical element discoveries#Ancient discoveries, few elements known since antiquity. Carbon is the 15th Abundance of elements in Earth's crust, most abundant element in the Earth's crust, and the Abundance of the c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phloretin
Phloretin is a dihydrochalcone, a type of natural phenol. It can be found in apple tree leaves and the Manchurian apricot. Metabolism In rats, ingested phlorizin is converted into phloretin by hydrolytic enzymes in the small intestine. Phloretin hydrolase hydrolyses phloretin into phloretic acid and phloroglucinol. Pharmacological research In an animal model, phloretin inhibited active transport of glucose into cells by SGLT1 and SGLT2, though the inhibition is weaker than by its glycoside phlorizin. An important effect of this is the inhibition of glucose absorption by the small intestine and the inhibition of renal glucose reabsorption. Phloretin also inhibits a variety of urea transporters. It induces urea loss and diuresis when coupled with high protein diets. Phloretin has been found to inhibit weight gain and improve metabolic homeostasis in mice fed with high-fat diet. Phloretin inhibits aquaporin 9 (AQP9) on mouse hepatocyte A hepatocyte is a cell of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glucoside
A glucoside is a glycoside that is derived from glucose. Glucosides are common in plants, but rare in animals. Glucose is produced when a glucoside is hydrolysed by purely chemical means, or decomposed by fermentation or enzymes. The name was originally given to plant products of this nature, in which the other part of the molecule was, in the greater number of cases, an aromatic aldehydic or phenolic compound (exceptions are Jinigrin and Jalapin or Scammonin). It has now been extended to include synthetic ethers, such as those obtained by acting on alcoholic glucose solutions with hydrochloric acid, and also the polysaccharoses, e.g. cane sugar, which appear to be ethers also. Although glucose is the most common sugar present in glucosides, many are known which yield rhamnose or iso-dulcite; these may be termed pentosides. Much attention has been given to the non-sugar parts (aglyca) of the molecules; the constitutions of many have been determined, and the compounds synthesi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phytochemistry (journal)
''Phytochemistry'' is a peer-reviewed scientific journal covering pure and applied plant chemistry, plant biochemistry and molecular biology. It is published by Elsevier and is an official publication for the Phytochemical Society of Europe, the Phytochemical Society of North America, and the Phytochemical Society of Asia. A sister journal ''Phytochemistry Letters'' is published since 2008. Abstracting and indexing ''Phytochemistry'' is abstracted and indexed in: According to the ''Journal Citation Reports'', the journal has a 2020 impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as i ... of 4.072. References External links {{Official website, http://www.journals.elsevier.com/phytochemistry/ Biochemistry journals Botany journals Elsevier academic journals Eng ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Antioxidant
Antioxidants are compounds that inhibit oxidation, a chemical reaction that can produce free radicals. This can lead to polymerization and other chain reactions. They are frequently added to industrial products, such as fuels and lubricants, to prevent oxidation, and to foods to prevent spoilage, in particular the rancidification of oils and fats. In cells, antioxidants such as glutathione, mycothiol or bacillithiol, and enzyme systems like superoxide dismutase, can prevent damage from oxidative stress. The only dietary antioxidants are vitamins A, C, and E, but the term ''antioxidant'' has also been applied to numerous other dietary compounds that only have antioxidant properties in vitro, with little evidence for antioxidant properties in vivo. Dietary supplements marketed as antioxidants have not been shown to maintain health or prevent disease in humans. History As part of their adaptation from marine life, terrestrial plants began producing non-marine antioxi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dihydrochalcone Glycosides
Dihydrochalcone (DHC) is the organic compound with the formula C6H5C(O)(CH2)2C6H5. It is the reduced derivative of chalcone (C6H5C(O)(CH)2C6H5). It is white solid that is soluble in many organic solvents. Dihydrochalcone per se is often minor significance, but some derivatives occur in nature and have attracted attention as drugs. Natural dihydrochalcones left, Neohesperidin dihydrochalcone is a commercial artificial sweetener that features the dihydrochalcone substituent. * Aspalathin, a C-linked dihydrochalcone glucoside found in rooibos, a common herbal tea * Naringin dihydrochalcone, an artificial sweetener derived from naringin * Neohesperidin dihydrochalcone, an artificial sweetener derived from citrus * Nothofagin, a C-linked phloretin glucoside found in rooibos * Phloretin * Isosalipurpurin Dihydrochalcones (3′,5′-dihydroxy-2′,4′,6′-trimethoxydihydrochalcone (methyl linderone) and 2′-hydroxy-3′,4′,5′,6′-tetramethoxydihydrochalcone (dihydrokanakugio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glucosides
A glucoside is a glycoside that is derived from glucose. Glucosides are common in plants, but rare in animals. Glucose is produced when a glucoside is hydrolysed by purely chemical means, or decomposed by fermentation or enzymes. The name was originally given to plant products of this nature, in which the other part of the molecule was, in the greater number of cases, an aromatic aldehydic or phenolic compound (exceptions are Jinigrin and Jalapin or Scammonin). It has now been extended to include synthetic ethers, such as those obtained by acting on alcoholic glucose solutions with hydrochloric acid, and also the polysaccharoses, e.g. cane sugar, which appear to be ethers also. Although glucose is the most common sugar present in glucosides, many are known which yield rhamnose or iso-dulcite; these may be termed pentosides. Much attention has been given to the non-sugar parts (aglyca) of the molecules; the constitutions of many have been determined, and the compounds synthes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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