• The names of uronic acids are generally based on their parent sugars, for example, the uronic acid analog of glucose is glucuronic acid. (wikipedia.org)
  • The polysaccharide from this species of mushroom contains mainly mannose, glucose, glucuronic acid and xylose but no sulfate esters. (nih.gov)
  • The glucuronic acid residues were essential for the anticoagulant action of the mushroom polysaccharide since the activity disappeared after reduction of its carboxyl groups. (nih.gov)
  • Utilization of the hexuronic acids D-galacturonic acid (abundant in pectin-rich waste streams such as peels and pulps) and D-glucuronic acid (a component of the side-chains of plant xylans) for growth and production with C. glutamicum has not yet been studied. (springeropen.com)
  • Heterologous expression of the genes for both uptake and catabolism of D-galacturonic acid and D-glucuronic acid was required to enable growth of C. glutamicum with either aldohexuronic acid as the sole carbon source. (springeropen.com)
  • namely the glucuronic is sour, the iduronic is sour, half lactose, half lactose An, ammonia Ji glucose)They and the variety combine in the glycosidic of several.Carbohydrate this family is root or importance the life is at the categorizing of the vertebrates and the much lower animal. (beauty104.com.tw)
  • Nowadays, D-sorbital is typically converted to ascorbic acid through 2-keto-L-gluonic acid (SKGA) as the key intermediate via a bio-oxidation process involving Gluconobacter oxydans and several chemical steps. (chemtradeasia.com)
  • Astragalus membranaceus contains polysaccharides, saponins, flavonoids, amino acids and other active components, which can promote antibody generation and immune response. (rainbowextract.com)
  • Later research initated the suggestion to rename L-hexuronic acid from a- (meaning "no") and scorbutus (scurvy), the disease caused by a deficiency of vitamin C. It dissolves well in water to give mildly acidic solutions. (chemtradeasia.com)
  • The new name, Ascorbic acid, is derived from the word "Ascorbic acid" from: a- (means "no") + scorbutus (denotes "scurvy", which is due to a lack of vitamin C). Ascorbic acid is derived from glucose, and many animals can make it, but humans need it as part of their nutrition. (zhishangchemical.com)
  • Ascorbic acid deficiency frequently develops into SCURVY in young children fed unsupplemented cow's milk exclusively during their first year. (lookformedical.com)
  • Other vertebrates lacking the production of ascorbic acid include primates, guinea pigs, real bone fish, bats and some birds, all of which need ascorbic acid as a micronutrient in the diet. (zhishangchemical.com)
  • Another key ingredient for bacon cures is ascorbate or vitamin C. Either as sodium ascorbate or ascorbic acid or its isomer, erythorbate, either as erythorbic acid or its salt, sodium erythorbate. (earthwormexpress.com)
  • Only sodium ascorbate or sodium erythorbate (as opposed to ascorbic acid and erythrobic acid) are used in meat cures since ascorbic and erythorbic acid reacts with nitrite to form nitrous oxide. (earthwormexpress.com)
  • But, humans do not make vitamin C because we have mutation in the coding of the gene guloolactone oxidase (GULO)-the gene that codes the enzyme guloolactone oxidase which converts glucose to vitamin C. As a result, humans can only obtain vitamin C through diet or supplementation. (drgoodyear.com)
  • They are sugars in which the hydroxyl group furthest from the carbonyl group has been oxidized to a carboxylic acid. (wikipedia.org)
  • This bacterium is capable of utilizing various sugars as well as organic acids [ 2 ]. (springeropen.com)
  • These compounds are water-soluble and, thus, cannot protect fats from oxidation: For this purpose, the fat-soluble esters of ascorbic acid with long-chain fatty acids (ascorbyl palmitate or ascorbyl stearate) can be used as food antioxidants. (chemtradeasia.com)
  • for example, many wastes in the human body are excreted in the urine as their glucuronate salts, and iduronic acid is a component of some structural complexes such as proteoglycans. (wikipedia.org)
  • Corynebacterium glutamicum , which is used in industrial amino acid production at a million-ton scale, has been engineered towards utilization of alternative carbon sources. (springeropen.com)
  • One manifestation of negative selection in the globins is that minimal 3-base type amino acid replacements occur less frequently than would be expected if base replacements had occurred and were accepted at random. (pharmaceuticalintelligence.com)
  • It has identical antioxidant properties to L-ascorbic acid yet has far less vitamin C activity (although not quite zero). (chemtradeasia.com)
  • Vitamin C structure is similar to that of glucose, but not identical. (drgoodyear.com)
  • It wasn't until 1933 that the scientist Charles Glen King isolated vitamin C and found it to be identical to Albert Szent-Györgyi's 'hexuronic acid' [4] . (drgoodyear.com)
  • Neither aldohexuronic acid supported growth of C. glutamicum as sole or combined carbon source, although its genome encodes a putative uronate isomerase sharing 28% identical amino acids with UxaC from Escherichia coli . (springeropen.com)
  • Uronic acids (/ʊˈrɒnɪk/) or alduronic acids are a class of sugar acids with both carbonyl and carboxylic acid functional groups. (wikipedia.org)
  • Usually the sugar is an aldose, but fructuronic acid also occurs. (wikipedia.org)
  • Among the sugar constituents of plant cell wall are the hexuronic acids D-galacturonate and D-glucuronate found in pectin. (springeropen.com)
  • McCollum (1922) said that for growth and "prolonged well-being" in rats, the following was necessary: "A single purified protein, a source of the sugar glucose, nine mineral elements and two uncharacterized dietary factors" (McCollum, E. V. (earthwormexpress.com)
  • Ascorbic acid is an organic compound, famously known for its rich antioxidant properties. (chemtradeasia.com)
  • This fact is taken as evidence that the antioxidant properties of ascorbic acid are only a small part of its effective vitamin activity. (chemtradeasia.com)
  • Ascorbic acid and its sodium, potassium, and calcium salts are commonly used as antioxidant food additives. (chemtradeasia.com)
  • In fluorescence based techniques, ascorbic acid can be used as an antioxidant to increase fluorescent signal and chemically retard dye photobleaching. (chemtradeasia.com)
  • Ascorbic acid (C6H8O6) is a naturally occurring organic compound with antioxidant properties. (zhishangchemical.com)
  • Ascorbate reacts chemically with nitrite to increase the yield of nitric oxide from nitrous acid. (earthwormexpress.com)
  • Common people name it simply as vitamin C but it was originally called as L-hexuronic acid. (chemtradeasia.com)
  • The substance was originally called "l-hexuronic acid", but when it was found to have vitamin C activity in animals, it was suggested that it be renamed. (zhishangchemical.com)
  • Oxidation of the terminal aldehyde instead yields an aldonic acid, while oxidation of both the terminal hydroxyl group and the aldehyde yields an aldaric acid. (wikipedia.org)
  • The pure ascorbic acid is white solids, but some of the impurities are slightly yellowish. (zhishangchemical.com)
  • Ascorbic acid promotes seeds' germination, plants' growth, and roots' growth on cuttings. (chemtradeasia.com)
  • When ascorbic acid or sodium ascorbate solutions are sprayed on plants such as lettuce, celery, spinach, petunias, and roses, those plants can better withstand ozone and smog exposure damage. (chemtradeasia.com)
  • In fact, vitamin C is made from glucose by many plants and animals. (drgoodyear.com)
  • A strong dicarboxylic acid occurring in many plants and vegetables. (lookformedical.com)
  • There exists a D-ascorbic acid, which does not occur in nature but it may be synthesized artificially. (chemtradeasia.com)
  • As a glucose derivative, many animals are able to produce it, but humans require it as part of their nutrition. (chemtradeasia.com)
  • A condition due to a dietary deficiency of ascorbic acid (vitamin C), characterized by malaise, lethargy, and weakness. (lookformedical.com)
  • Dietary absorption of VITAMIN C is highly dependent upon this class of transporters and a subset of SODIUM GLUCOSE TRANSPORTERS which transport the oxidized form of vitamin C, DEHYDROASCORBIC ACID. (lookformedical.com)
  • Ascorbic acid is a vitamin C defined as a vitamin activity, not a specific substance. (zhishangchemical.com)
  • An easily transferable metabolic engineering strategy for access of C. glutamicum to aldohexuronates was developed and applied to growth and production of the amino acids L-lysine and L-ornithine as well as the terpene lycopene from D-galacturonate or D-glucuronate. (springeropen.com)
  • In plastic manufacturing, ascorbic acid can be used to assemble molecular chains more quickly and with less waste than traditional synthesis methods. (chemtradeasia.com)
  • Glucose is the predominant component, with some rhamnose, galactose, and arabinose included, is the most abundant polysaccharide in Astragalus, followed by galactose and arabinose. (rainbowextract.com)
  • Ascorbic acid is an essential nutrient in human diets, and necessary to maintain connective tissue and bone. (lookformedical.com)
  • An acidic polysaccharide with anticoagulant activity was isolated from the edible mushroom Auricularia auricula using water, alkali or acid extracts. (nih.gov)
  • PNGase F digestion deaminates the asparagine residue to aspartic acid, leaving the oligosaccharide intact for further analysis. (neb.com)
  • It is the lactone of 2,3-DIKETOGULONIC ACID and has antiscorbutic activity in man on oral ingestion. (lookformedical.com)
  • The polysaccharide content was determined by the phenol-concentrated sulfuric acid method. (rainbowextract.com)
  • Ascorbic acid (vitamin C) is used in medicine to maintain proper immune function. (chemtradeasia.com)
  • Hungarian scientist Albert von Szent-Györgyi, recipient of the 1937 Nobel Prize in physiology or medicine, "for his discoveries in connection with the biological combustion processes, with special reference to vitamin C and the catalysis of fumaric acid. (earthwormexpress.com)